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ai-agent-book
chapter4/perception-tools/run_experiment_4_1.py
.py
#!/usr/bin/env python3 """Run Experiment 4-1 through the real perception MCP stdio transport. The campaign exercises every sub-capability explicitly named by the manuscript. It creates small local documents/media as deterministic inputs, uses live public endpoints for network observations, confines mutation tools to a...
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ai-agent-book
chapter4/perception-tools/test_youtube_tools.py
.py
""" Real API tests for YouTube transcript extraction. These tests make actual API calls to YouTube to verify functionality. """ import asyncio import json import pytest from pathlib import Path import sys # Add src to path sys.path.insert(0, str(Path(__file__).parent / "src")) from multimodal_tools import extract_you...
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ai-agent-book
chapter4/perception-tools/test_arxiv_request_bounds.py
.py
"""Offline regression test for bounded official arXiv API pages.""" from __future__ import annotations import asyncio import json import sys from datetime import datetime, timezone from pathlib import Path from types import SimpleNamespace SRC = Path(__file__).resolve().parent / "src" sys.path.insert(0, str(SRC)) i...
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ai-agent-book
chapter4/perception-tools/test_analyze_video_release_on_error.py
.py
"""Regression test: analyze_video_ai must release the VideoCapture even when a per-frame Vision API call raises mid-loop. The capture was previously released only on the success path, so a failing Vision call (network / rate-limit / auth) leaked the native decoder/file handle until GC. Release now happens in a finally...
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ai-agent-book
chapter4/perception-tools/test_video_keyframes_num_frames.py
.py
"""Regression test: num_frames=0 must not cause ZeroDivisionError. The LLM-supplied num_frames parameter was used directly as a divisor in `frame_count // num_frames`; num_frames=0 crashed with ZeroDivisionError (surfacing as a confusing tool error). It is now clamped to >= 1 up front. """ import asyncio import json i...
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ai-agent-book
chapter4/perception-tools/test_document_tools.py
.py
""" Tests for document processing tools. Uses real files for testing. """ import asyncio import json import pytest import tempfile from pathlib import Path import sys sys.path.insert(0, str(Path(__file__).parent / "src")) from document_processing_tools import ( extract_pdf_text, extract_docx_content, extr...
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ai-agent-book
chapter4/perception-tools/cli.py
.py
#!/usr/bin/env python3 """ 感知工具 MCP 服务器 —— 统一命令行入口(实验 4-1)。 除了以 MCP stdio 协议对外提供服务(见 src/main.py),本文件提供一个不依赖 MCP 客户端的命令行入口,方便直接列出、调用和演示各类感知工具: python cli.py list # 按五大类列出全部感知工具 python cli.py info <tool> # 查看某个工具的参数签名 python cli.py run <tool> k=v ... # 直接调用某个工具并打印 JSON 结果 pyt...
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ai-agent-book
chapter4/perception-tools/test_parse_page_range_trailing_comma.py
.py
"""Trailing commas in page_range must not crash parse_page_range.""" import importlib.util from pathlib import Path _SRC = Path(__file__).resolve().parent / "src" / "document_processing_tools.py" _spec = importlib.util.spec_from_file_location("document_processing_tools_page_range", _SRC) _mod = importlib.util.module_f...
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ai-agent-book
chapter4/perception-tools/test_pubchem_tools.py
.py
""" Real API tests for PubChem tools. These tests make actual API calls to PubChem to verify functionality. """ import asyncio import json import pytest from pathlib import Path import sys # Add src to path sys.path.insert(0, str(Path(__file__).parent / "src")) from pubchem_tools import ( search_compounds, ge...
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ai-agent-book
chapter4/perception-tools/test_filesystem_mutations.py
.py
"""Safety and receipt checks for Experiment 4-1 filesystem mutations.""" from __future__ import annotations import asyncio import json import sys from pathlib import Path import pytest SRC = Path(__file__).resolve().parent / "src" sys.path.insert(0, str(SRC)) from filesystem_tools import copy_path, delete_path, mo...
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ai-agent-book
chapter4/perception-tools/test_experiment_4_1.py
.py
"""Offline acceptance checks for the exact Experiment 4-1 campaign.""" from __future__ import annotations import importlib.util import json import sys from pathlib import Path HERE = Path(__file__).resolve().parent RUNNER = HERE / "run_experiment_4_1.py" SPEC = importlib.util.spec_from_file_location("experiment_4_1_...
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ai-agent-book
chapter4/perception-tools/test_pubchem_async.py
.py
"""Deterministic regressions for PubChem asynchronous ListKey handling.""" import sys from pathlib import Path sys.path.insert(0, str(Path(__file__).parent / "src")) from pubchem_tools import PubChemClient class _Response: def __init__(self, status_code, payload): self.status_code = status_code ...
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ai-agent-book
chapter4/perception-tools/test_expanded_catalog.py
.py
"""Offline contract checks for the real-backed 126-tool perception catalog.""" from __future__ import annotations import asyncio import json import sys from pathlib import Path import tiktoken SRC = Path(__file__).resolve().parent / "src" sys.path.insert(0, str(SRC)) import expanded_catalog # noqa: E402 import ma...
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ai-agent-book
chapter4/perception-tools/src/test_negative_max_length.py
.py
"""Regression: negative max_length must not drop the last character.""" import asyncio import json import sys import types from pathlib import Path import pytest def _stub(): for name in ["dotenv", "requests", "mcp", "mcp.types", "mcp.server"]: sys.modules.setdefault(name, types.ModuleType(name)) sys...
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ai-agent-book
chapter4/perception-tools/src/test_csv_max_rows.py
.py
"""Regression: extract_csv_content must honor max_rows in data, not hard-cap at 100.""" import json from pathlib import Path import pandas as pd import pytest from document_processing_tools import extract_csv_content @pytest.mark.asyncio async def test_csv_data_honors_max_rows(tmp_path: Path): path = tmp_path /...
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ai-agent-book
chapter4/perception-tools/src/public_data_tools.py
.py
""" Public data source tools: weather, stocks, currency, Wiki, ArXiv, Wayback Machine. """ import json import logging import os import time import traceback from datetime import datetime from typing import Union import requests from dotenv import load_dotenv from mcp.types import TextContent from pydantic import BaseM...
863
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ai-agent-book
chapter4/perception-tools/src/main.py
.py
""" Main MCP server for perception tools. This MCP server provides comprehensive perception capabilities including: - Search tools (web search, knowledge base, file download) - Multimodal understanding (web pages, documents, images, videos) - File system operations (read, grep, summarization) - Public data sources (we...
705
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ai-agent-book
chapter4/perception-tools/src/yahoo_finance_tools.py
.py
""" Yahoo Finance comprehensive tools. Based on AWorld MCP server implementation. Provides stock quotes, historical data, company info, and financial statements. """ import json import logging import time import traceback from datetime import datetime from typing import Union, Literal import yfinance as yf from dotenv...
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ai-agent-book
chapter4/perception-tools/src/test_search_web_num_results_zero.py
.py
"""Regression test for search_web num_results=0 handling. Proves contract: Requesting zero search results short-circuits external search providers and returns success with empty result list and count 0. Locks out bug where max(1, min(num_results, 10)) clamped num_results=0 to 1. """ import json import sys import type...
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ai-agent-book
chapter4/perception-tools/src/search_tools.py
.py
""" Search tools: knowledge base, web search, and file download. """ import json import logging import os import time import traceback from pathlib import Path from typing import Union import requests from bs4 import BeautifulSoup from dotenv import load_dotenv from mcp.types import TextContent from pydantic import Ba...
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ai-agent-book
chapter4/perception-tools/src/media_processing_tools.py
.py
""" Media processing tools for audio, image, and video. Based on AWorld MCP server implementation. """ import json import logging import traceback import subprocess import base64 import os import time from pathlib import Path from typing import Union, Dict, Any import cv2 from PIL import Image from dotenv import load_...
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ai-agent-book
chapter4/perception-tools/src/private_data_tools.py
.py
""" Private data source tools: Google Calendar, Notion. """ import json import logging import os import traceback from datetime import datetime, timedelta from typing import Union from dotenv import load_dotenv from mcp.types import TextContent from base import ActionResponse load_dotenv() async def get_calendar_...
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ai-agent-book
chapter4/perception-tools/src/__init__.py
.py
""" Perception Tools MCP Server A comprehensive MCP server for perception and data retrieval capabilities. """ __version__ = "1.0.0"
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ai-agent-book
chapter4/perception-tools/src/document_processing_tools.py
.py
""" Document processing tools for PDF, DOCX, PPTX, CSV, TXT. Based on AWorld MCP server implementation. """ import json import logging import traceback from pathlib import Path from typing import Union, Dict, Any import pandas as pd from docx import Document from pptx import Presentation import PyPDF2 from dotenv impo...
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ai-agent-book
chapter4/perception-tools/src/expanded_catalog.py
.py
"""Expanded, real-backed perception tool catalog for Experiments 4-1 and 4-6. The book's active-discovery experiment requires the perception MCP server to expose 120+ tools. The native server exposes 56 useful tools; this module adds 70 narrowly named, read-mostly tools backed by real local operations or public APIs. ...
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ai-agent-book
chapter4/perception-tools/src/pubchem_tools.py
.py
""" PubChem chemical compound data tools. Based on AWorld MCP server implementation. """ import json import logging import time import traceback from typing import Union, Literal from urllib.parse import quote, urlsplit, urlunsplit import requests from dotenv import load_dotenv from mcp.types import TextContent from p...
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18,686
ai-agent-book
chapter4/perception-tools/src/wayback_enhanced.py
.py
""" Enhanced Wayback Machine tools. """ import json import logging import traceback from typing import Union import requests from bs4 import BeautifulSoup from dotenv import load_dotenv from mcp.types import TextContent from waybackpy import WaybackMachineCDXServerAPI from base import ActionResponse load_dotenv() ...
84
2,180
ai-agent-book
chapter4/perception-tools/src/arxiv_enhanced.py
.py
""" Enhanced ArXiv tools with download and details. Based on AWorld parxiv-server complete implementation. """ import hashlib import json import logging import os import re import traceback from typing import Union import arxiv import httpx from dotenv import load_dotenv from mcp.types import TextContent from base im...
210
6,132
ai-agent-book
chapter4/perception-tools/src/google_search_enhanced.py
.py
""" Enhanced Google Search tools. Based on AWorld google-search server. """ import json import logging import os import traceback from typing import Union import requests from bs4 import BeautifulSoup from dotenv import load_dotenv from mcp.types import TextContent from base import ActionResponse load_dotenv() as...
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ai-agent-book
chapter4/perception-tools/src/multimodal_tools.py
.py
""" Multimodal understanding tools: web, documents, images, and videos. """ import json import logging import os import traceback from pathlib import Path from typing import Optional, Union import base64 import requests from bs4 import BeautifulSoup from dotenv import load_dotenv from mcp.types import TextContent from...
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ai-agent-book
chapter4/perception-tools/src/wiki_enhanced.py
.py
""" Enhanced Wikipedia tools with full article access. Based on AWorld wiki-server complete implementation. """ import json import logging import traceback import calendar from datetime import datetime from typing import Union import requests import wikipedia from dotenv import load_dotenv from mcp.types import TextCo...
270
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ai-agent-book
chapter4/perception-tools/src/filesystem_tools.py
.py
"""File-system perception tools and tightly scoped mutation helpers. Read operations retain their historical behavior. Move, copy, and delete are available only beneath the directory named by ``PERCEPTION_MUTATION_ROOT``. They reject absolute paths, traversal, symlinks, and the private quarantine directory. Delete a...
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ai-agent-book
chapter4/perception-tools/src/base.py
.py
""" Base models and utilities for perception tools MCP server. """ import logging import os import tempfile import traceback from pathlib import Path from urllib.parse import urlparse from typing import Any import requests from pydantic import BaseModel, Field class ActionResponse(BaseModel): """Standard respons...
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ai-agent-book
chapter4/perception-tools/src/test_grep_max_results_zero.py
.py
"""Regression: grep_search(max_results=0) must return zero hits, not one.""" import json import sys import types from pathlib import Path import pytest def _stub(): for name in ["dotenv", "requests", "mcp", "mcp.types", "mcp.server"]: sys.modules.setdefault(name, types.ModuleType(name)) sys.modules["...
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ai-agent-book
chapter4/active-tool-discovery/test_exact_experiment.py
.py
"""Contract tests for the exact Experiment 4-7 runner (no model/API calls).""" from __future__ import annotations import asyncio import importlib.util import json import sys from copy import deepcopy from pathlib import Path import pytest HERE = Path(__file__).resolve().parent RUNNER_PATH = HERE / "run_exact_experi...
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ai-agent-book
chapter4/active-tool-discovery/run_exact_experiment.py
.py
#!/usr/bin/env python3 """Run the exact Chapter 4 Experiment 4-7 contract. Unlike the original mechanism demo, this runner: * obtains 126 complete schemas from the perception MCP server via stdio; * uses exactly local Ollama ``qwen3:4b`` for both groups; * asserts that the control catalog exceeds 50K measured tokens;...
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ai-agent-book
chapter4/active-tool-discovery/discovery.py
.py
""" 主动工具发现的核心:用嵌入向量相似度,从 126 个工具里 按自然语言"能力需求"检索出最相关的 3-5 个候选工具。 - 工具向量:对每个工具用 "name: description" 生成 embedding,并缓存到本地 .cache/tool_embeddings_<embedder>.json,避免每次运行都重新计算。 - discover_tools(need):把 need 向量化,与工具向量做余弦相似度,返回 top-k。 嵌入后端是可插拔的(见 `Embedder` 协议): - OpenAIEmbedder:调用 OpenAI embeddings API(默认,联网,效果最好)。 - 离线模式(...
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ai-agent-book
chapter4/active-tool-discovery/demo.py
.py
""" 实验 8-4 演示:主动工具发现 vs 检索预筛选 vs 全量注入 对同一组跨领域任务,在 126 个工具的工具库上分别用三种"工具发现"策略运行, 并在一次运行里输出可对比的表格(准确率 / 注入 token / 延迟): - full_injection 全量注入:126 个工具 schema 一次性进上下文(对照组,书中控制组)。 - retrieval_prefilter 检索预筛选:按初始查询做**一次性**语义检索,只注入 top-n 候选工具。 - active_discovery 主动发现:少量基础工具 + discover_tools 元工具,执行中按需检索加载。 核心论点(第 8 章):当工...
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ai-agent-book
chapter4/active-tool-discovery/offline_backend.py
.py
""" 离线后端:让整条流水线在**没有 OpenAI key** 时也能跑通,用于验证机制、 量化 token/延迟,并让读者零成本复现"三种策略"的对比结构。 包含两部分: 1) LocalEmbedder —— 本地哈希词袋嵌入(中文字 unigram/bigram + 英文词), 无需联网即可支撑 discover_tools / 检索预筛选的语义相似度。 2) MockChatClient —— 一个确定性的"脚本化"模型,接口与 OpenAI 客户端一致 (client.chat.completions.create(...).choices[0].message.content)。 它按关键词把任务...
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ai-agent-book
chapter4/active-tool-discovery/tools_library.py
.py
""" 实验 8-4 工具库:120+ 个跨领域工具定义。 设计要点: 1) 每个工具都有真实可读的 name / description / parameters(OpenAI function schema)。 2) 领域覆盖 finance / news / web / arxiv / file / github / code / geo / weather / media / language / email / db / ecommerce / social / crypto / util 等。 3) 故意混入大量"通用/近义"工具(web_search / universal_search / quick_ans...
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ai-agent-book
chapter4/active-tool-discovery/agent.py
.py
""" 三种工具发现策略的 Agent 循环(文本/ReAct 协议)。 为什么用"文本注入 + 文本解析工具调用"而不是 OpenAI 原生 function calling? —— 本实验要复现的正是书中所述:把 120+ 工具 schema **一次性注入 system prompt(几万 token)**, 模型在超长上下文下"指令遵循退化"。OpenAI 原生 function-calling 接口对工具选择做了很强的 约束/优化,即使上百个工具也很少选错,无法体现该退化;而把 schema 当作纯文本塞进 prompt、 让模型自己以 JSON 形式输出工具调用,才是书中控制组的真实机制,也才能观察到...
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ai-agent-book
chapter4/multimodal-agent/quickstart.py
.py
""" Quickstart script for testing multimodal agent Creates sample files and demonstrates capabilities """ import asyncio import base64 from pathlib import Path import os from agent import MultimodalAgent, MultimodalContent from config import ExtractionMode, Config def create_sample_files(): """Create sample fil...
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ai-agent-book
chapter4/multimodal-agent/main.py
.py
""" Main entry point for Multimodal Agent Demonstrates different extraction modes and model capabilities """ import asyncio import sys import argparse from pathlib import Path from typing import Optional from agent import MultimodalAgent, MultimodalContent from config import ExtractionMode, Config class _Tee: "...
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ai-agent-book
chapter4/multimodal-agent/campaign.py
.py
#!/usr/bin/env python3 """Live three-paradigm comparison for Chapter 4 Experiment 4-2. The PNG chart and the PDF page containing that chart are each submitted to the same two questions through native vision, local text extraction followed by a text-only model, and an agent that decides whether to invoke a vision tool....
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ai-agent-book
chapter4/multimodal-agent/test_execute_tool_robust.py
.py
"""Regression tests: _execute_tool must return an error string to the model instead of raising KeyError/JSONDecodeError on malformed LLM tool-call arguments (missing required fields or truncated streamed JSON).""" import asyncio import json import os import sys import types sys.path.insert(0, os.path.dirname(os.path.a...
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ai-agent-book
chapter4/multimodal-agent/create_sample.py
.py
""" 离线样例生成器 (Offline sample generator) 生成一个"含图表的报告"作为多模态样例,用于实验 4-2 对比三种提取范式。 产物同时包含: - test_files/sample_chart.png 仅图表(图像模态) - test_files/sample_report.pdf 图表 + 文字说明(文档模态,书中的"含图表的 PDF 报告") 关键设计:图表里的精确数值(如各季度营收)只出现在柱状图上,正文并未逐一写出。 这样在实验中: - 原生多模态模式可以直接"看懂"柱子读出数值; - 提取为文本模式若用通用描述器转写图像,往往丢失精确数值与空间关系; 从而让三种范式的...
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ai-agent-book
chapter4/multimodal-agent/test_multimodal.py
.py
""" Test script for multimodal agent functionality """ import asyncio import unittest from unittest.mock import Mock, patch, AsyncMock from pathlib import Path from agent import MultimodalAgent, MultimodalContent, MultimodalTools, Message from config import ExtractionMode, Provider class TestMultimodalContent(unitt...
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ai-agent-book
chapter4/multimodal-agent/test_interactive_tools_toggle.py
.py
"""Regression tests for the interactive multimodal tools toggle.""" import asyncio import os import sys from unittest.mock import patch sys.path.insert(0, os.path.dirname(os.path.abspath(__file__))) from agent import MultimodalAgent, MultimodalTools from main import interactive_chat def _run_commands(agent, *comma...
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ai-agent-book
chapter4/multimodal-agent/demo.py
.py
""" Demo script showcasing different extraction techniques """ import argparse import asyncio import sys from pathlib import Path from typing import List, Optional, Tuple from agent import MultimodalAgent, MultimodalContent from config import ExtractionMode class _Tee: """Duplicate stdout writes to a file so --...
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ai-agent-book
chapter4/multimodal-agent/config.py
.py
""" Configuration for Multimodal Agent Supports multiple providers and extraction modes """ import os from typing import Optional, Dict, Any from dataclasses import dataclass from enum import Enum from dotenv import load_dotenv load_dotenv() def _openrouter_model_id(model) -> str: """Map a provider-native model ...
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ai-agent-book
chapter4/multimodal-agent/agent.py
.py
""" Multimodal Agent with Multiple Extraction Techniques Supports native multimodality, extract to text, and multimodal tools """ import os import sys import json import base64 import httpx import asyncio from typing import Dict, Any, List, Optional, Union, Generator, AsyncGenerator from dataclasses import dataclass, ...
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ai-agent-book
chapter5/paper-to-ppt/renderer.py
.py
""" Slidev 渲染器:把 Proposer 生成的 slides.md 真正渲染成“每页一张 PNG”。 这是本实验的关键——Reviewer 之所以能看到 Proposer 看不到的“新信息”, 正是因为我们真的把代码跑起来、渲染出了像素级的截图。 实现:调用本地安装的 Slidev CLI npx slidev export slides.md --format png --output <dir> --timeout 60000 Slidev 的 PNG 导出底层用 playwright-chromium 打开每一页并截图。 """ import glob import os import shutil i...
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ai-agent-book
chapter5/paper-to-ppt/paper_source.py
.py
"""Pinned real-paper preparation for Experiment 5-4. The canonical campaign uses the published PDF, extracts its text directly, and renders three original paper figures from declared PDF page rectangles. The resulting manifest makes it possible to prove that the images in the Slidev deck came from the source PDF rath...
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ai-agent-book
chapter5/paper-to-ppt/agents.py
.py
""" 提议者(Proposer)与审核者(Reviewer)两个 Agent,以及一个带 token 计量的 LLM 客户端。 设计要点(对应书中“提议者-审核者”机制): - Proposer 只处理**文本**:论文正文 + 累积的结构化文字反馈;从不接收渲染图片。 - Reviewer 每一轮**只看最新一版的渲染截图**,且每轮都是一次全新的、无历史的调用。 - 单 Agent 自审对照组则相反:同一段对话里不断累积历次渲染的图片,上下文迅速膨胀。 所有对 OpenAI 的调用都经过 TokenMeter 统计 prompt / completion token, 用于最后的“单 Agent vs 双 Ag...
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ai-agent-book
chapter5/paper-to-ppt/test_page_contract.py
.py
import importlib.util from pathlib import Path spec = importlib.util.spec_from_file_location("paper_to_ppt_agents_real", Path(__file__).with_name("agents.py")) agents = importlib.util.module_from_spec(spec) assert spec.loader is not None spec.loader.exec_module(agents) _slide_count = agents._slide_count _slide_contra...
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ai-agent-book
chapter5/paper-to-ppt/make_figures.py
.py
""" 从论文中的数据生成两张真实的图表 PNG,放进 Slidev 的 public/ 目录, 供 Proposer 生成的幻灯片直接引用(满足“至少 3 处原图表”的要求,同时 让 Reviewer 的 Vision 检查能真正评估“图片尺寸是否合适”)。 这些图是用 matplotlib 从论文正文里的数字画出来的,属于“论文原始图表”的 程序化复现,而非凭空捏造。 """ import os import matplotlib matplotlib.use("Agg") # 无显示环境 import matplotlib.pyplot as plt PUBLIC_DIR = os.path.join(os.path....
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ai-agent-book
chapter5/paper-to-ppt/test_null_issues.py
.py
"""Null review issues must summarize without TypeError.""" import sys from unittest.mock import MagicMock # demo.py imports heavy optional deps at module import time. sys.modules.setdefault("dotenv", MagicMock()) sys.modules.setdefault("agents", MagicMock()) sys.modules.setdefault("make_figures", MagicMock()) sys.modu...
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ai-agent-book
chapter5/paper-to-ppt/demo.py
.py
""" 实验 5-4:基于论文的 PPT 自动生成(提议者-审核者机制) 完整流程: 1. 从精简论文(paper/sample_paper.md)+ 程序化复现的图表出发; 2. 【双 Agent】Proposer 生成 slides.md → Slidev 渲染每页 PNG → Reviewer 用 Vision LLM 看图给出结构化建议 → Proposer 据反馈修订 → 迭代,直到 pass 或达最大轮数; 3. 【单 Agent 自审】同一个 Agent 生成 → 渲染 → 把自己的截图塞回**同一上下文**自审并修订 → 迭代; 4. 用同一位“独立评委”(Vision)给两种方案的最终 ...
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ai-agent-book
chapter5/agent-creator/creator.py
.py
"""Experiment 5-13: an Agent that creates and validates another Agent.""" from __future__ import annotations import json import hashlib import os import re import shutil import time from dataclasses import dataclass from pathlib import Path, PurePosixPath from typing import Any from openai import OpenAI from valida...
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ai-agent-book
chapter5/agent-creator/test_creator.py
.py
from __future__ import annotations import json from pathlib import Path from types import SimpleNamespace import pytest from creator import ( AgentCreator, ResolvedBackend, SCRATCH_FILE_GROUPS, _usage_cost, load_protocol, ) from validator import _audit_case, _structural_check def response(paylo...
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ai-agent-book
chapter5/agent-creator/demo.py
.py
from __future__ import annotations import argparse import json from pathlib import Path try: from dotenv import load_dotenv load_dotenv() except ImportError: pass from creator import DEFAULT_PROTOCOL, load_protocol, run_experiment DEFAULT_REQUIREMENTS = load_protocol()[0]["requirements"] def main() -...
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ai-agent-book
chapter5/agent-creator/validator.py
.py
"""Fixed structural and real-run validation for Experiment 5-13.""" from __future__ import annotations import ast import json import os import re import subprocess import sys import time from dataclasses import asdict, dataclass, field from pathlib import Path from typing import Any REQUIRED_FILES = { "agent.py...
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ai-agent-book
chapter5/agent-creator/reference_agent/main.py
.py
from __future__ import annotations import argparse import json from agent import GeneratedAgent def main() -> None: parser = argparse.ArgumentParser(description="Run the generated Agent") parser.add_argument("--task", required=True) parser.add_argument("--model") parser.add_argument("--history-json"...
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ai-agent-book
chapter5/agent-creator/reference_agent/domain_tools.py
.py
"""Deterministic policy-record adapter configured by ``domain_spec.json``.""" from __future__ import annotations import json from pathlib import Path from typing import Any ROOT = Path(__file__).resolve().parent def _spec() -> dict[str, Any]: with (ROOT / "domain_spec.json").open(encoding="utf-8") as handle: ...
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ai-agent-book
chapter5/agent-creator/reference_agent/agent.py
.py
"""A small production-shaped OpenAI-compatible Agent loop. The creator preserves this loop in template mode and only specializes the system prompt, tool schemas, and domain tool implementation. """ from __future__ import annotations import json import os from pathlib import Path from typing import Any from openai i...
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ai-agent-book
chapter5/agent-creator/reference_agent/tests/test_contract.py
.py
from __future__ import annotations import json import copy import sys from pathlib import Path from types import SimpleNamespace sys.path.insert(0, str(Path(__file__).resolve().parents[1])) from agent import GeneratedAgent class FakeCompletions: def __init__(self): self.calls = [] def create(self,...
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ai-agent-book
chapter5/agent-creator/reference_agent/tests/test_domain_policy.py
.py
from __future__ import annotations import json import sys from pathlib import Path sys.path.insert(0, str(Path(__file__).resolve().parents[1])) from domain_tools import execute_tool ROOT = Path(__file__).resolve().parents[1] def load_spec(): return json.loads((ROOT / "domain_spec.json").read_text(encoding="u...
64
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ai-agent-book
chapter5/permission-embedded-data-objects/run_targeted_eval.py
.py
"""Targeted cross-provider eval: 20 hand-picked adversarial prompts. Tests the key claim: PE catches violations that raw SQL misses, across Claude and GPT model families. """ import json import os import re import time import uuid import signal import sys import traceback sys.path.insert(0, os.path.dirname(__file__)...
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ai-agent-book
chapter5/permission-embedded-data-objects/demo.py
.py
#!/usr/bin/env python3 """实验 5-12:动态生成软件的数据层权限边界。""" from __future__ import annotations import os from pedo.core.models import AccessContext, DataObject from pedo.core.store import ( ObjectStore, PermissionDeniedError, ValidationError, ) from pedo.scenarios.hiring import register_hiring_types def main(...
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ai-agent-book
chapter5/permission-embedded-data-objects/run_live_security_eval.py
.py
"""Live Security Evaluation for Permission-Embedded Data Objects (PEDO). Evaluates agent-generated queries and mutations against PEDO access control models: - Row-level security (RLS) enforcement - Field visibility boundaries - Privilege escalation attempts - Performance overhead metrics """ from __future__ import an...
1,005
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ai-agent-book
chapter5/permission-embedded-data-objects/pedo/eval/benchmark_safety_v2.py
.py
"""Evaluation 5.3 (Strengthened): Safety Under Agent-Generated Code. Adds: - HARNESS condition: CSDD-style spec-guided generation with no data-layer enforcement - Strengthened oracle: tracks state machine transitions (not just final values) - More adversarial prompts targeting specific violation types """ impor...
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ai-agent-book
chapter5/permission-embedded-data-objects/pedo/eval/benchmark_safety.py
.py
"""Evaluation 6.4: Safety Under Agent-Generated Code. Centerpiece evaluation. Uses Gemini 3 Flash to generate business logic functions operating on the hiring pipeline schema. Tests three conditions: (a) Permission-embedded objects (PEDO) (b) Traditional API with authorization checks (c) Raw database access Mea...
752
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ai-agent-book
chapter5/permission-embedded-data-objects/pedo/eval/enterprise_agent_scenarios.py
.py
"""Enterprise Agent Sandbox: scenario runner. Runs a sequence of "agent goes off the rails" operations through PE and records which were caught. The agent's intent is irrelevant -- what matters is whether the operation it attempted is structurally allowed by the slow layer's rules. Six scenarios, mapping to the failu...
225
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ai-agent-book
chapter5/permission-embedded-data-objects/pedo/eval/benchmark_spec_errors_v2.py
.py
"""Evaluation 5.4 (v2): Specification Error Evaluation — Execution-Based. Instead of keyword matching, this evaluation: 1. Generates permission rules + validators (schema spec) via LLM 2. Generates API authorization functions (business logic) via LLM 3. Runs both against a suite of test cases that exercise each requir...
451
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ai-agent-book
chapter5/permission-embedded-data-objects/pedo/eval/benchmark_application.py
.py
"""End-to-End Application Benchmark: AI Agent Running a Hiring Pipeline. A realistic scenario where an LLM agent performs a sequence of business operations on a hiring pipeline: creating positions, adding candidates, advancing them through the pipeline, scheduling interviews, writing evaluations, and handling edge cas...
534
25,038
ai-agent-book
chapter5/permission-embedded-data-objects/pedo/eval/benchmark_safety_final.py
.py
"""Final Safety Evaluation — Fixed execution harness. Fixes from v2: - Better function calling: inspect signatures and pass correct args - Better test data setup: use both recruiter and admin contexts - Retry API calls on disconnect - More robust oracle: check DB state after every execution regardless of errors - Sepa...
537
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ai-agent-book
chapter5/permission-embedded-data-objects/pedo/eval/benchmark_overhead.py
.py
"""Evaluation 6.3: Pipeline Overhead Benchmarks. Measures the performance cost of the permission/validation pipeline. Compares: (a) Raw PostgreSQL writes (baseline) (b) PostgreSQL with RLS (c) Permission-embedded objects (our system) Varies: rule count, hierarchy depth, validator count, cross-object fan-out. Re...
402
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ai-agent-book
chapter5/permission-embedded-data-objects/pedo/eval/benchmark_comparisons.py
.py
"""Comprehensive Comparison Benchmarks. Implements five new evaluations: 1. RLS comparison: PostgreSQL RLS matching PEDO authorization 2. Fragmented DB: RLS + CHECK + FK + triggers covering all constraints 3. Scaling: 1K/10K/100K objects 4. Multi-model: Test with different temperature/model variants 5. Improved HARNES...
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ai-agent-book
chapter5/permission-embedded-data-objects/pedo/eval/case_studies.py
.py
"""Cross-case-study evaluator. For each new case study (banking, ecommerce, healthcare, forum), runs a small set of representative scenarios under two conditions: - raw: a typical handler that does NOT enforce the case's invariants (this is the canonical LLM-generated handler shape -- it follows th...
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ai-agent-book
chapter5/permission-embedded-data-objects/pedo/eval/regeneration_robustness.py
.py
"""Regeneration Robustness study. Tests the productivity claim "regenerate handlers without re-audit" by literally regenerating each handler N times at high temperature and measuring how often the resulting code preserves declared invariants. Methodology: - Pick K representative prompts from DataGuardBench (mix of ...
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ai-agent-book
chapter5/permission-embedded-data-objects/pedo/eval/benchmark_harness_focused.py
.py
"""Improved HARNESS: Focused vs Naive Context Injection. CSDD found that injecting 3-5 focused principles achieves 96% compliance vs 78% for full injection. This test compares: - Naive: All 8 constitutional principles in the prompt - Focused: Only the 1-2 most relevant principles per task Both generate code again...
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ai-agent-book
chapter5/permission-embedded-data-objects/pedo/eval/benchmark_spec_errors.py
.py
"""Evaluation 5.4: Specification Error Evaluation. Empirically measures specification error rates vs business logic error rates. Given the same business requirements, uses Gemini 3 Flash to generate: (a) Schema specifications (permission rules + validators) (b) Business logic authorization code (API functions with...
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ai-agent-book
chapter5/permission-embedded-data-objects/pedo/eval/benchmark_reactions.py
.py
"""Evaluation 6.5: Reaction System vs PostgreSQL Triggers. Compares Tier 3 reactions with PostgreSQL AFTER triggers implementing equivalent logic. Measures: - Cascade depth observed - Failure propagation behavior - Trace completeness for debugging - Execution time for consequence chains """ import json import...
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ai-agent-book
chapter5/permission-embedded-data-objects/pedo/eval/benchmark_final_comprehensive.py
.py
"""Final Comprehensive Evaluation — Publication Grade. Fixes all identified issues: 1. PEDO harness: better system prompt with concrete examples 2. RLS: uses non-superuser role so RLS actually applies 3. Expanded prompt set: 30 prompts (18 benign + 12 adversarial) 4. Two models: gemini-3-flash-preview and gemini-2.5-f...
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ai-agent-book
chapter5/permission-embedded-data-objects/pedo/eval/dataguardbench/agentspec_wrap.py
.py
"""Faithful AgentSpec wrapper for head-to-head empirical comparison. This module provides: 1. `register_*_types_no_policy` — register hiring / pm types with PE rules and validators stripped (relationships/reactions kept for structural integrity). The store accepts every operation; AgentSpec rules below are...
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ai-agent-book
chapter5/permission-embedded-data-objects/pedo/eval/dataguardbench/holdout_prompts.py
.py
"""Held-out adversarial prompts authored AFTER the schema was frozen. Purpose: Address the reviewer concern that the "0/360" headline could be a measurement artifact of prompts and schema being co-authored. These 20 prompts target the SAME invariants (hiring and project_mgmt) but use: - Different attack framings (s...
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ai-agent-book
chapter5/permission-embedded-data-objects/pedo/eval/dataguardbench/agentspec_baseline.py
.py
"""AgentSpec-style agent-action enforcement baseline. Implements an agent-action-level enforcement mechanism for head-to-head comparison with data-layer enforcement. This mimics the approach of AgentSpec (ICSE 2026): a DSL that intercepts agent actions at the boundary and evaluates them against declarative rules befor...
305
10,874
ai-agent-book
chapter5/permission-embedded-data-objects/pedo/eval/dataguardbench/metrics.py
.py
"""DataGuardBench metrics computation. Implements the Correct-and-Secure (C&S) metric framework following SecureAgentBench's methodology, extended with CWE-mapped violation tracking. Outcome categories (per prompt execution): - NO_OUTPUT: LLM failed to generate code - COMPILE_ERROR: Generated code has syn...
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ai-agent-book
chapter5/permission-embedded-data-objects/pedo/eval/dataguardbench/cwe_taxonomy.py
.py
"""CWE taxonomy mapping for DataGuardBench. Maps each violation type to its corresponding CWE entry, enabling comparison with standard AI code security benchmarks (CyberSecEval, CWEval, SecCodePLT). """ from dataclasses import dataclass, field @dataclass class CWEEntry: """A CWE entry with its DataGuardBench vi...
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ai-agent-book
chapter5/permission-embedded-data-objects/pedo/eval/dataguardbench/prompts.py
.py
"""DataGuardBench prompt suite. 120 prompts across 2 scenarios (hiring pipeline, project management), 3 categories (benign, adversarial, edge-case), mapped to CWE IDs. Each prompt is a BenchmarkPrompt with: - id: unique identifier (scenario.category.seq) - scenario: "hiring" or "project_mgmt" - category: "benig...
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ai-agent-book
chapter5/permission-embedded-data-objects/pedo/eval/dataguardbench/harness.py
.py
"""DataGuardBench evaluation harness. Multi-model benchmark runner supporting: - Gemini (via google.genai) - Claude (via anthropic) - GPT (via openai) - Open-source models (via openai-compatible API) Conditions evaluated: - raw: No enforcement, direct SQL - api: LLM generates its own authoriza...
818
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ai-agent-book
chapter5/permission-embedded-data-objects/pedo/eval/baxbench_adapter/reference_impls.py
.py
"""Reference handler implementations for the BaxBench-derived adapter. These exist to: 1. Self-test the oracle and adapter wiring without LLM calls. 2. Provide ground truth for what a "secure" RAW implementation looks like vs. the typical insecure RAW pattern LLMs produce. For each scenario, three handler se...
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ai-agent-book
chapter5/permission-embedded-data-objects/pedo/eval/baxbench_adapter/__init__.py
.py
"""BaxBench-derived adapter benchmark. Translates a subset of BaxBench (arXiv:2502.11844, ETH Zurich) backend scenarios into the function-level harness format used by DataGuardBench, so the same security oracle can be applied to PEDO and RAW conditions. This is an adapter — not official BaxBench numbers. The contract...
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831
ai-agent-book
chapter5/permission-embedded-data-objects/pedo/eval/baxbench_adapter/scenarios.py
.py
"""PEDO scenarios that mirror BaxBench scenarios. These are translations of BaxBench scenario API specs into PEDO object schemas. Each scenario keeps the same endpoint surface (handler signatures) so a single security oracle can run against either RAW or PEDO conditions. Scenarios covered: - SecretStorage (BaxBen...
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ai-agent-book
chapter5/permission-embedded-data-objects/pedo/eval/baxbench_adapter/oracle.py
.py
"""BaxBench security oracle, in-process. Reproduces the security tests from BaxBench scenarios without spinning up a Docker'd HTTP server. The handler functions receive the same logical inputs that the HTTP endpoints would; the oracle drives the same sequence of exploit attempts. Each oracle returns an OracleResult c...
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ai-agent-book
chapter5/permission-embedded-data-objects/pedo/eval/baxbench_adapter/prompts.py
.py
"""Prompts for the BaxBench-derived adapter. Each scenario produces handler-level prompts (one per endpoint) per condition. Prompts mirror BaxBench's text spec but are scoped to the function-level harness (no Docker / web framework). """ from __future__ import annotations from dataclasses import dataclass # ── Secr...
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3,401
ai-agent-book
chapter5/permission-embedded-data-objects/pedo/eval/baxbench_adapter/harness.py
.py
"""BaxBench-derived adapter harness. Two modes: --self-test Run reference impls (raw_secure, raw_insecure, pedo) for every adapted scenario through their oracles. No model calls. --models ... Run model-generated handler code (stub). Usage: python -m pedo.eval.baxbench_adapter.harness --s...
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ai-agent-book
chapter5/permission-embedded-data-objects/pedo/scenarios/banking.py
.py
"""Case study: Banking / transactions. Architectural pattern demonstrated: **cross-object balance invariant**. A transaction's validity depends on the sender account's current balance -- the validator must read related state (the sender account) and compare to the proposed change. This pattern doesn't fit single-table...
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ai-agent-book
chapter5/permission-embedded-data-objects/pedo/scenarios/enterprise_agents.py
.py
"""Case study: Enterprise Agent Sandbox. Architectural pattern demonstrated: **per-agent permissions for runtime AI actors**. Multiple autonomous agents operate against the same data layer, each with its own AccessContext and its own scoped role. Permission rules in the schema declare what each agent role may do; the ...
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ai-agent-book
chapter5/permission-embedded-data-objects/pedo/scenarios/forum.py
.py
"""Case study: Forum / community. Architectural pattern demonstrated: **public-read + owner-edit + moderator override**. Posts are publicly readable but only the author can edit them; moderators can delete or lock any post regardless of authorship. Comments are owned by their author. This pattern shows multiple-rule p...
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