MCP Agent Firewall (zubairz4far/mcp-agent-firewall) is an MCP server listed on the M8ven Trust Index. M8ven has not graded it yet. No publisher has claimed this listing.

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Grade pending
5 days ago

MCP Agent Firewall

Enforces deterministic security policies on Model Context Protocol traffic between agents and remote MCP servers, including request validation, signed human approval, response-side credential blocking, prompt-injection flagging, and privacy-minimized auditing.

→ zubairz4far/mcp-agent-firewall· listed on glama

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Who stands behind it

zubairz4far

Source: Glama

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// key findings
✅
No credential exfiltration, no sensitive file access, no obfuscation
Static analysis found nothing flowing your secrets to unexpected places.
✅
Open source with a license and README
Anyone can audit the code, the license is declared, and the publisher documents what it does.
🔐
You'll be asked for 4 credentials: APPROVAL_SIGNING_KEY, APPROVAL_ISSUER_TOKEN, AUDIT_READ_TOKEN, UPSTREAM_BEARER_TOKEN
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// environment variables
To run this server yourself, you supply these values. They go in your own MCP client configuration and stay on your machine. The secret label means the value is sensitive, not that the server mishandles it.
configPOLICY_PATH
configAUDIT_DB_PATH
configUPSTREAM_MCP_URL
🔐 secretAPPROVAL_SIGNING_KEY
🔐 secretAPPROVAL_ISSUER_TOKEN
configAPPROVAL_DEFAULT_TTL_SECONDS
configAPPROVAL_MAX_TTL_SECONDS
🔐 secretAUDIT_READ_TOKEN
🔐 secretUPSTREAM_BEARER_TOKEN
configMAX_REQUESTS_PER_MINUTE
configMAX_BODY_BYTES
configMAX_RESPONSE_BYTESresponses larger than (default 262,144 bytes)
configTRUSTED_TOOL_CATALOG_PATH
configTRUSTED_TOOL_CATALOG_SHA256
configOTEL_EXPORTER_OTLP_ENDPOINT
configOTEL_ENABLED
configOTEL_SERVICE_NAME
// full audit trail
The findings above are the summary. The full trail, every check we ran, each deduction, the network hosts observed and the dependency advisories, goes to verified publishers, along with an alert whenever a new one lands. Verified publishers can also review each finding and dispute it in one click. Publisher corrections have sharpened several of our checks this month, because the maintainer knows the codebase better than any scanner.
// embed badge in your README
[![M8ven Score](https://m8ven.ai/badge/mcp/zubairz4far/mcp-agent-firewall)](https://m8ven.ai/mcp/zubairz4far/mcp-agent-firewall)
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commit: ffea1a132a474bd5ff2af00dfc613bf8408edc6d
code hash: dc0908e52b30ae0e036192b6fae2f6c54953e257070f1e4614eba8d29a0d5371
verified: 9/5/2026, 7:03:06 AM
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