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# .env.example — Multi-LLM-API-Gateway
# Copy this file to .env and fill in the values.
# IMPORTANT: Never commit the .env file to version control.
# ===========================================
# ARCHITECTURE NOTE:
# The Guardian (main.py) is the ONLY process that reads this file.
# app/* modules NEVER touch .env — they get ENV-VAR NAMES via app/.pyfun
# and the values are read with os.getenv() inside the sandbox boundary.
#
# No key set = provider skipped = tool not registered = NO CRASH.
# ===========================================
# --- LLM Provider Keys ---
# Which providers activate is defined in app/.pyfun [LLM_PROVIDERS].
# A provider only registers when its ENV key here is set.
# Anthropic (api.anthropic.com)
ANTHROPIC_API_KEY=""
# Google Gemini (generativelanguage.googleapis.com)
GEMINI_API_KEY=""
# OpenRouter (openrouter.ai) — free models available
OPENROUTER_API_KEY=""
# HuggingFace Inference API (api-inference.huggingface.co)
HF_TOKEN=""
# SmolLM2 custom Space (your own deployment)
SMOLLM_API_KEY=""
# --- Search Provider Keys ---
# Activate search by setting at least one of these.
# Brave Search (api.search.brave.com)
BRAVE_API_KEY=""
# Tavily (api.tavily.com) — AI-optimized search
TAVILY_API_KEY=""
# --- App Identity (optional) ---
# Used by OpenRouter HTTP-Referer header (rate limit attribution)
APP_URL="https://huggingface.co/spaces/codey-lab/Universal-MCP-Hub"
# --- Optional hub gate for /api, /crypto and /mcp (see app/auth.py) ---
# Leave empty = hub is open (as before). Set a long random string to require it.
# Clients send: X-Hub-Token: <token> or Authorization: Bearer <token>
# (the ENV var NAME is configured in app/.pyfun [HUB] HUB_AUTH_ENV)
HUB_API_TOKEN=""
# ===========================================
# PyFundaments CORE CONFIGURATION
# ===========================================
# --- Database Connection (PostgreSQL) ---
# The complete Data Source Name (DSN) for your PostgreSQL database.
# This works for both local instances and cloud providers like Neon.tech.
# Example for Neon: postgresql://user:password@host.eu-central-1.aws.neon.tech/neondb?sslmode=require
# Example for local: postgresql://user:password@localhost:5432/mydb
# Leave empty or comment out if your app doesn't need database
DATABASE_URL="your_database_dsn_here"
# --- Application-Level Encryption Keys ---
# These keys are used by the application itself to encrypt sensitive data
# before it is written to the database.
# The master key must be a 256-bit key (32 bytes).
MASTER_ENCRYPTION_KEY="your_256_bit_key_here"
# The salt is a unique, persistent value used with the master key.
# It should also be a secure, random string.
PERSISTENT_ENCRYPTION_SALT="your_unique_salt_here"
# ===========================================
# LOGGING CONFIGURATION (Optional)
# ===========================================
# PyFundaments Debug Mode (true = startup diagnostics: Python version,
# sys.path, file checks). Only needed while developing — false for normal use.
PYFUNDAMENTS_DEBUG="false"
# Log level: DEBUG, INFO, WARNING, ERROR, CRITICAL
# INFO is enough for daily operation; DEBUG only while hunting a bug.
LOG_LEVEL="INFO"
# Store logs in /tmp directory (cleared on restart, host-local only)
LOG_TO_TMP="false"
# Public logging — CAREFUL: stdout logs are PUBLICLY VISIBLE on HF Spaces
# (Space -> Logs tab). Set to "false" for production. Only keep "true"
# while actively debugging a deployment.
ENABLE_PUBLIC_LOGS="false"
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