Yuta Nagao

NagaYu

https://nagayu-portfolio.nagayu.workers.dev/

AI & ML interests

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Recent Activity

updated a Space about 3 hours ago

NagaYu/taintwall-demo

published a Space about 3 hours ago

NagaYu/taintwall-demo

published a dataset about 3 hours ago

NagaYu/taintwall-bench

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Organizations

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NagaYu 's Spaces 30

Parity

⚖

Cut non-English token cost, with a certified bound

TaintWall Demo

🚀

Explore policy enforcement steps with an interactive demo

Bleep

🔇

Sensitive speech regions without transcription

ClaimCheck

🔎

Verify LLM answers against the context they came from

PromptGate

🛡

Prompt injection, PII and secret detection in your browser

Warden

🛂

Policy decisions + tamper-evident ledger for LLM traffic

Sumi — Japanese PII Detection

🖋

Japanese PII detection running entirely in your browser

Sieve

🧫

Audit RAG context: retrieval vs generation, wasted tokens

Canary

🐤

Deterministic regression gate for prompt changes

EchoCache

♻

Semantic cache and cost observability layer for LLM APIs

Sludge — Deceptive Design Patterns in UI Trees

🔍

Dark patterns in UI trees. Not a legality call.

Signpost

🪧

Does this accessibility label actually mean anything?

Cue Subtitle Re-segmenter

🎬

Resegment subtitles for optimal line breaks

Rebar

🧱

Restore Japanese document hierarchy, then compare chunking

Scribe — Kanji/Kana Checker for Official Japanese

✍

Kanji/kana checker for Japanese official documents

Deference — Japanese Honorific Checker

🎎

Direction of deference in Japanese keigo

Tessera - span-level language ID

🧩

Languages a document-level LID would have discarded

Molt — elastic on-device inference

🦀

Swap the LLM mid-sentence and carry the KV cache across

Isotope

🧪

Untrusted data can inform an action, not authorize it

KVine — Branch-Aware KV Cache

🌿

Predict if a KV cache branch should stay in RAM

Assay — Model Substitution Detection

🧾

Catch a provider serving a cheaper model, per request

Downstep

🗣

Japanese pitch accent for unlisted compounds

Halfword

🗣

AAC prediction measured in seconds, not keystrokes

Mondegreen

🗣

用語集を音韻的な硬い制約に変換するローカルASR訂正器