MCP Server Directory

Monitor GitHub repo health, DORA metrics and CI signals from your AI assistant.

Agent Reliability dev.agentreliability/agent-reliability

Testing, benchmarking and auditing autonomous AI agents — methods, harnesses, evidence

site uk.co.sarbuilder/site

SAR Builder: the site's own MCP server — checker, enquiry (enquiry = a human handoff, not a...

Earthquake Alerts & Seismic Activity (USGS Live) — buy per-query in-session (quakewatch) com.a2awire/data-earthquake-alert-seismic-activity

Live USGS earthquake alerts: M2.5+ 24h, mag, depth. Register in-session — free testnet funds.

US Economic Releases (CPI, Payrolls, Fed) — buy per-query in-session (fedwatch) com.a2awire/data-fomc-cpi-fed-economic-releases

CPI, payrolls, unemployment, Fed statements. $0.05/query, free testnet funds in-session.

Delvorn io.github.MrAnderson323/delvorn

GET https://delvorn.site/api/x402/test-asset $0.05 Base. First independent=Certified+$0.05 back.

Native runtime debugging via DAP-to-MCP for crashes, hangs, dumps, symbols, and forensics.

Project Desk ai.atlier/project-desk

Agent-updated work tracker for builders directing AI across multiple projects.

React codebase semantics for AI agents, with a VS Code visualizer you both share. Free, local.

US state SC io.github.sadri-dridi/st-sc

USPS state code SC.

MCP policy proxy: enforces a code of conduct across connectors before the upstream is called.

MCP Endpoint Lint - handshake, tool schemas, JSON-RPC errors dev.workers.pathwren.www/mcp-endpoint-lint

{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"whoami","arguments":{}}} free no key

KHOTEM com.khotem/khotem-witness

Paid API bazaar for agents: seals, audits, wallet intel, codec ops. x402.

YouGame co.yougame/yougame

Publish a browser game on YouGame: the build rules, the leaderboard SDK, pre-upload checks.

RTBlint io.github.aleksUIX/rtblint

Validate OpenRTB bid requests and responses against IAB specs. ARTF, Rust core.

Loc8ID com.loc8id/mcp

Turn a GPS coordinate into a shareable short link and QR code, as your own signed-in account.

BASE167 com.base167/base167

Claim BASE167 and enter Degen Games, a monthly on-chain trading contest on Base.

Korean fire safety law, statutes, NFPC/NFTC codes, hazmat, and fire/EMS statistics.

Local-first PHI detection for source code, LLM prompts, logs, and analytics

OmniDebugLink dev.omnidebuglink/omnidebuglink

remote debug iOS/Android/Unity/Godot/Flutter/RN/Web on real-device.ui-tree/screenshots/taps,tests.

site com.attestvio/site

Attestvio: the site's own MCP server — dataset; every answer cites the site.

Build an agent tool once; ship it as Agent Skills, MCP servers, Agent Plugins / Claude / Codex

Feldspar free repository security scan com.project-feldspar/scan

Free deterministic security scan of public git repos: OSV.dev vulnerable deps, secrets, config lint.

Zaleso com.zaleso/tools

Nigeria PAYE, VAT and CBN rates, sourced and dated. Plus invoice totals, QR codes, JSON, Base64.