Verified MCP Server Directory

Epa Emissions

EPA Emissions MCP — wraps EPA Envirofacts REST API (free, no auth)

exchange

Exchange MCP — wraps the Frankfurter currency exchange API (free, no auth)

exchangerate

ExchangeRate MCP — wraps open.er-api.com (free, no auth)

cnvs.app

Zero-auth real-time collaborative whiteboard with MCP — AI agents + humans edit the same board live.

Cinderfi — Retirement Planning

Retirement planning for Canada & US. CPP/OAS, Social Security, RRSP/TFSA, 401k/IRA, Monte Carlo.

AI-powered codebase analysis — call graphs, security, dead code, complexity. 150+ tools.

AI Reasoning Commons

Search, reuse, verify AI reasoning. Task marketplace with leaderboard. Zero-barrier, no auth.

com.clauxel.mcpoauthscopegate/mcpoauthscopegate-mcp

OAuth scope approvals and consent receipts for remote MCP servers.

Multi-tenant business platform — 6,000+ RBAC-gated MCP tools across finance, ops, docs, agents.

com.craftedtrust/mcp-shield

Trust verification for MCP servers. Check scores, scan for security issues, search 4,200+ servers.

Holster MCP

Local-first secret scanning, rotation, vault, and audit-log tools for AI agents.

Gradus Notation

Render music notation (SVG/MusicXML/MIDI), analyze, search music theory. Free, no auth, no GUI.

JPYC Agent MCP

OAuth-protected JPYC wallet, transfer, and contract workflows on Polygon.

com.mcparmory/outline

Create, manage, and organize team documents, collections, and share permissions

CloudClaw

AI agent hosting platform: 37+ connectors, 181 tools, BYOK vault, marketplace.

io.github.codespar/mcp-ap2

MCP server for AP2 — Google's Agent-to-Agent Payment Protocol (authorization, audit, trust)

io.github.duriantaco/skylos

Dead code, security, secrets detection and code quality for Python, TypeScript, Go.

Recruiter-scoped search across Latin America's largest tech talent pool. OAuth-authenticated.

io.github.Ansvar-Systems/ot-security-mcp

OT security standards: IEC 62443, NIST 800-82/53, MITRE ATT&CK for ICS

Linear MCP (multi-workspace, PAT auth)

Multi-workspace Linear MCP — PAT auth, 57 tools + 3 prompts, substrate enforcement, drop-in.

TridentChain Security

Local supply-chain CVE scanner via OSV/NVD. Scans deps and IDE extensions. No upload.

1,451 security controls across 261 frameworks with bidirectional mapping

io.github.node-man/dechonet-mcp

13 security recon tools for AI agents — DNS, SSL, HTTP, email, ports, ASN. Health Score 0-100.

io.github.sathergate/lockbox

Encrypted secrets for Next.js. AES-256-GCM with no vault needed.