AgentShield

Full-stack security for AI agents — static analysis + MCP runtime interception. 31 rules detect prompt injection, data exfiltration, backdoors, tool poisoning, and cross-file attack chains. Includes MCP proxy for real-time blocking, Python AST taint tracking, multi-language injection detection (8 languages), and AI-powered deep analysis. Free, offline, zero-config.

→ elliotllliu/agent-shield · listed on glama

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// key findings

🚨

Secret credentials may flow to a network call

1 flow detected: FEISHU_APP_SECRET. We can’t prove the destination matches the brand the credential belongs to.

⚠️

Known vulnerabilities in dependencies: 1 high

Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.

🔐

You'll be asked for 8 credentials: AGENTSHIELD_API_KEY, AGENT_SHIELD_API_KEY, ANTHROPIC_API_KEY, AWS_SECRET_ACCESS_KEY, FEISHU_APP_SECRET, GITHUB_TOKEN, LLM_API_KEY, OPENAI_API_KEY

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// known CVEs in dependencies1 high

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

highglob@11.0.1GHSA-5j98-mcp5-4vw2

glob CLI: Command injection via -c/--cmd executes matches with shell:true

Depend on this server? Get alerted when its CVEs change.Watch this server free →

// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

🔐 secretAGENTSHIELD_API_KEY

configAGENTSHIELD_BASE_URL

configAGENTSHIELD_MODEL

🔐 secretAGENT_SHIELD_API_KEY

configAGENT_SHIELD_BASE_URL

configAGENT_SHIELD_MODEL

🔐 secretANTHROPIC_API_KEY

🔐 secretAWS_SECRET_ACCESS_KEY

configFEISHU_APP_ID

🔐 secretFEISHU_APP_SECRET

🔐 secretGITHUB_TOKEN

🔐 secretLLM_API_KEY

configOLLAMA_BASE_URL

🔐 secretOPENAI_API_KEY

configOPENAI_BASE_URL

configOPENAI_MODEL

configPORT

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 7 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/elliotllliu-agent-shield-i9koi2)](https://m8ven.ai/mcp/elliotllliu-agent-shield-i9koi2)

commit: 8921cc2ce328b20ee65cd428d84576677874b0ce

code hash: 60aeed9a9ba5e2657c279a8b020b80b6ebedcc51bf77d8a2e31995eab323942c

verified: 6/12/2026, 11:43:07 AM

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