CosyRedactGateway: Lightweight, stateless privacy gateway for LLM APIs — redact secrets before OpenAI/Anthropic upstreams

by CassiopeiaCode · LLM Plugin · ★ 105

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How to install CosyRedactGateway

git clone https://github.com/CassiopeiaCode/CosyRedactGateway.git

Taken from the project's README on GitHub.

Security audit verdict: SAFE · quality 63/100

Flagged: environment access. Scanned against 42 published rules built on the SlowMist agent-security taxonomy, refreshed every 8 hours.

The quality score combines nine heuristic checks of the repo and its README: completeness, clarity, specificity, examples, structure, agent readiness, step-by-step content, instruction quality and security notes. It rates how well the project explains itself to an agent, not the code.

anthropiccloudflare-workersdata-maskingdenogitleaksllmllm-proxyopenaipiiprivacy

Quick Facts

Stars105
Forks24
LanguageJavaScript
CategoryLLM Plugin
LicenseApache-2.0
Quality Score63/100
Last Updated2026-10-31
Created2026-09-11
Platformsnode
Est. Tokens~16k

About CosyRedactGateway

Cosy Redact Gateway 高熵凭据检测:不只匹配已知密钥,也检查没有固定格式的随机凭据。 High-entropy credential detection — beyond known key formats. 简体中文 · English 高熵检测 · 本地全开 · 验证 · 接入 · 安全边界 凭据不一定以 开头。一个内部服务令牌,可能只是代码、配置、日志或工具结果里的一串随机字符。 Cosy 是面向程序员的 LLM 凭据脱敏网关,核心是高熵凭据检测(High-entropy credential detection)。 它不仅匹配已知密钥格式,还对符合条件的文本块进行统计评分,寻找随机形态的凭据候选,不要求厂商前缀,也不要求 这样的赋值标签。 全部检测器启用时,高熵检测与结构化检测、Gitleaks...

Compatible Skills

These tools work well together with CosyRedactGateway for enhanced workflows:

  • flare-redact — semantic(0.35)+complementary+shared_fw(anthropic,openai)+rare_topics+similar_pop+shared_platform (82%)
  • WindsurfPoolAPI — semantic(0.24)+complementary+shared_fw(anthropic,openai)+same_lang+similar_pop+shared_platform (74%)
  • opencode-llm-proxy — semantic(0.22)+complementary+shared_fw(anthropic,openai)+same_lang+similar_pop+shared_platform (74%)

CosyRedactGateway alternative? Top 6 similar tools

Looking for a CosyRedactGateway alternative? If you're comparing CosyRedactGateway with other llm plugin tools, these 6 projects are the closest alternatives on Agent Skills Hub — ranked by topic overlap, star count, and community traction.

  • maskit by xiaYuTian11 · ⭐ 324

    数据面具 Data Maskit — 专为大模型打造的本地隐私脱敏网关(请求自动打码,回复流式还原;支持 Cursor / Claude Code / Codex / Pi 等任意可配 Base URL 工具)

  • PrivAiTe by crp4222 · ⭐ 60

    Self-hosted PII redaction proxy for LLM APIs and agent CLIs. Scrubs names, emails and secrets from Claude Code

  • flare-redact by flare-collection · ⭐ 53

    Zero-dependency TypeScript secret and PII redaction for any SDK, logs, HTTP, LLM prompts, and scoped MCP tool

  • NoPII by Enigma-Vault · ⭐ 67

    Ready-to-run examples showing NoPII PII protection with OpenAI, Anthropic, LangChain, LlamaIndex, and more

  • lm-proxy by Nayjest · ⭐ 150

    OpenAI-compatible HTTP LLM proxy / gateway for multi-provider inference (Google, Anthropic, OpenAI, PyTorch).

  • ClawRoute by atharv404 · ⭐ 81

    Intelligent Cost-Optimizing Model Router for OpenClaw

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How this security grade is produced

Grades come from a rule-based scan built on the SlowMist agent-security taxonomy: 42 published rules, covering credential harvesting, data exfiltration, curl | sh installers and more. It is a first-layer scan, not a manual audit — we say so rather than overstate it.

The scale of the problem is documented independently: Liu et al. (2026), in a study of 31,132 agent skills, report that 26.1% contain security vulnerabilities. Our own full-catalog census is published as a citable open dataset.

Sources & who's responsible:

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