MCP Server Directory

FastMCP server for surgical queries against a vault knowledge graph (NetworkX node-link JSON).…

Security scanning and trust verification for AI agent tools.

Reputa: wallet risk & security plus DeFi cover (insurance) analyses, paid via x402.

Rick And Morty io.github.pipeworx-io/rick-and-morty

Rick and Morty MCP — wraps the Rick and Morty API (free, no auth)

HTTP MCP Server for comprehensive Python vulnerability scanning and security analysis.

Scan codebases for LLM/AI SDK usage, exposed API tokens, and hardcoded secrets.

Weather io.github.pipeworx-io/weather

Weather MCP — wraps Open-Meteo API (free, no auth)

arifOS — Constitutional AI Governance io.github.ariffazil/arifosmcp

Constitutional AI governance: 11 mega-tools, 13 floors, VAULT999 ledger. Human-in-loop by design.

AgentAegis io.github.astafford8488/agentaegis

Pay-per-call cybersecurity for AI agents: vuln scans, threat intel, compliance, code security.

Attest io.github.attestagents/attest-mcp

Scan agent payment endpoints (x402, AP2, L402, MPP, 402) for a trust grade A-F before paying.

Scan code for Korean compliance risks — PIPA/개인정보보호법, Network Act, Credit Info. Not legal advice.

AnchorRegistry io.github.AnchorRegistry/ar-mcp

On-chain provenance lookup for AnchorRegistry. Resolve AR-IDs, hashes, and full trees. Authless.

Verifiable text/code/measurement tools for agents, each reproducing a named authority.

Dynamic QR codes for AI agents — custom styling, scan tracking, webhooks

MCP server for PR code review, commit messages, changelogs, and secret detection.

Axcess — Design Accessibility Evaluation io.github.sicxz/axcess

Evaluates UI designs for WCAG accessibility issues automated scanners miss. Paid via x402 on Base.

MCP auth middleware: gate tool calls so only authorized agents can act.

Security gateway for MCP agents: blocks prompt-injection-driven tool calls before they execute.

protectwith-kb io.github.burademirung/protectwith-kb

AI-security knowledge as MCP: standards-mapped tools (OWASP, NIST, MITRE) for AI agents.

HiveBank io.github.srotzin/hivebank

USDC treasury vaults, streaming payments, and DeFi yield for AI agents

bulk-url-checker io.github.carlosofscience/bulk-url-checker

Validate up to 75,000 URLs per job (status, redirects, response times). OAuth 2.1.

MCP server for Kalshi prediction markets: native RSA-PSS auth, rate limiting, demo/prod safety.

Centralized secrets manager MCP server. Generate .env files, rotate keys, sync to GitHub Actions.

HTTP Headers Analyzer API io.github.Br0ski777/http-headers

HTTP header analysis — security headers, cache, server detection. x402 micropayment.