AegisGate: Open-source security gateway for LLM APIs — prompt injection detection, PII redaction, dangerous response

by ax128 · MCP Server · ★ 67

Last updated: · Indexed by AgentSkillsHub · Auto-synced every 8h

How to install AegisGate

git clone https://github.com/ax128/AegisGate.git

Taken from the project's README on GitHub.

Security audit verdict: SAFE · quality 69/100

None of the 42 rules matched — no credential harvesting, no data exfiltration, no curl-pipe-shell installer. 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.

ai-agentai-gatewayapi-securityclaudecodexcursordata-loss-preventionfastapillm-firewallllm-security

Quick Facts

Stars67
Forks10
LanguagePython
CategoryMCP Server
LicenseMIT
Quality Score69/100
Last Updated2026-09-14
Created2026-02-25
Platformsclaude-code, codex, mcp, python
Est. Tokens~21k

About AegisGate

AegisGate English | 中文 Open-source security gateway for LLM API calls — sits between your AI agents/apps and upstream LLM providers, enforcing security policies on both request and response sides. What is AegisGate? AegisGate is a self-hosted, pipeline-based security proxy designed to protect LLM API traffic.

AegisGate alternative? Top 6 similar tools

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

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

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    🤖 Taskade MCP · Official MCP server and OpenAPI to MCP codegen. Build AI agent tools from any OpenAPI API and

  • deterministic-agent-control-protocol by elliot35 · ⭐ 88

    Governance gateway for AI agents — bounded, auditable, session-aware control with MCP proxy, shell proxy & HTT

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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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