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Fail-closed verify-before-you-act trust gate for AI agents. Keyless, pay-per-call via x402.
Fail-closed verify-before-you-act trust gate for AI agents. Keyless, pay-per-call via x402.
This is a well-structured MCP server with clean code architecture and appropriate security practices for its purpose. It acts as a transparent proxy to external trust-verification services, with honest payment disclosure and no dangerous operations. Minor quality improvements around error handling and input validation could be made, but no significant security vulnerabilities were identified. Supply chain analysis found 4 known vulnerabilities in dependencies (1 critical, 3 high severity). Package verification found 1 issue.
4 files analyzed · 9 issues found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
This plugin requests these system permissions. Most are normal for its category.
Set these up before or after installing:
Environment variable: VERITY_SUITE_URL
Environment variable: VERITY_ENGINE_URL
Add this to your MCP configuration file:
{
"mcpServers": {
"io-github-meloliva14-verity-mcp": {
"env": {
"VERITY_SUITE_URL": "your-verity-suite-url-here",
"VERITY_ENGINE_URL": "your-verity-engine-url-here"
},
"args": [
"verity-mcp"
],
"command": "uvx"
}
}
}From the project's GitHub README.
mcp-name: io.github.meloliva14/verity-mcp
One Model Context Protocol server that exposes Verity's fail-closed trust checks as tools any MCP-capable agent can discover and call: verify_fact, detect_injection, moderate_content, redact_pii, guard_action. Backed by Verity's live HTTP+x402 services on Base mainnet. Verity holds no private key.
The trust/safety slot in the agent economy is unowned — Coinbase's x402 Bazaar has no trust category; Visa/Mastercard agent-payment specs verify payment scope, not content safety; the one security player covers payment-fraud, not fact-checking / moderation / PII. This MCP server is the cheapest, first way to occupy that slot.
The money model (corrected — do NOT bill per loop):
guard_action (and a verified verify_fact) used right before the agent spends, sends, or commits something irreversible — where an independent, signed verdict is worth far more than the sub-cent fee, and where billing rides a payment the agent already consented to. That's the only slot worth paying a third party for.A trust product cannot use a wallet-draining dark pattern. Every distribution surface and the tool descriptions MUST state, up front:
The real (wash-filtered) x402 service economy is small today — order ~$28K/day ecosystem-wide, top single earner ~$25K/mo. So: occupying this slot cheaply and first is high-probability and nearly free; near-term per-call revenue is thin. The big numbers come later, from monetizing the trust position at higher tickets (money-line checks on high-value flows, "Verified by Verity" certification, enterprise) as agent-commerce grows — not from micro-payments in a thin niche. This server captures the position regardless of how fast the volume arrives.
pip install -r requirements.txt
python server.py # stdio MCP server
Env: VERITY_SUITE_URL (default https://verity-suite.onrender.com), VERITY_ENGINE_URL (default https://verity-bzw7.onrender.com).
registry.modelcontextprotocol.io, mcp-publisher CLI) — the meta-registry Smithery/Glama/PulseMCP/mcp.so crawl downstream. Publish here before third-party directories. Needs: GitHub-OAuth + reverse-DNS namespace.punkpeye/awesome-mcp-servers, Merit-Systems/awesome-x402 (Security & Ops), xpaysh/awesome-x402.Independent · fail-closed · keyless · pay-per-call. The only trust form an autonomous agent can pick up mid-task with no human and no account.
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