MCP Server Directory

Air Quality MCP io.github.Lulu-The-Narwhal/air-quality-mcp

Free, keyless real-time air quality (US AQI plus PM2.5, PM10, ozone, NO2, SO2, CO) for any city.

Prompt Compass io.github.rishabhmpc/prompt-compass

Decision-only prompt routing and firewall checks for local/cloud routing, PII and jailbreak risk.

MCP runtime security. 22µs validation, 97% self-healing. Detects RCE, SSRF, credential hijacking.

HPSILab Quant Finance io.github.haiyunsky/hpsilab-quant-finance-mcp

Stock & options risk analytics for AI agents: pre-trade risk scan, IV, gamma walls, Monte Carlo.

Robinhood Crypto Trading API for AI agents: quotes, holdings, orders read-only; opt-in trading.

Lacuna Research MCP io.github.tiptreesystems/lacuna-research-mcp

Search Lacuna's ML research graph for papers, directions, authors, venues, and hypotheses.

Find the conferences and trade shows a company publicly says it attends, from its domain.

us-congress-trades io.github.johnisanerd/us-congress-trades

US Congress stock trades and financial disclosures by member, ticker, or date, hosted MCP.

Persistent memory + vibe-loop engine for AI agents. Single Go binary, SQLite-backed, stdio MCP.

MCP bridge for BindAlias Minecraft mod: game state, screenshots, aliases, and config editing.

Live service outage data from 100+ status pages. Ask your AI if Cloudflare is down.

The repo guardian AI agents handshake with before they touch your code.

Audit whether an AI agent can read a site: llms.txt, robots AI rules, structured data.

Resolve a company domain to its registered legal entity, company number, LEI and VAT number.

AI-native structured memory for agents (MCP). Built for agents, not humans.

domainee dev.domainee/domainee

Custom domains API for SaaS: connect, verify, and manage customer domains, SSL, and DNS

Lead Intelligence com.timzinin.api/lead-intelligence

Pay-per-call lead intelligence tools with free MCP discovery and x402 payments.

Central Command — x402 Trading Intelligence io.github.tlefko/central-command

Crypto trading intelligence MCP — 34+ endpoints, x402 pay-per-use, AI agent strategy & execution

remote-mcp ai.oddsockets/remote-mcp

Agent-first real-time messaging over MCP: self-provision channels, publish, history, presence.

EOSL.ai — Hardware End-of-Life Database ai.eosl/eosl

Hardware end-of-life dates by part number, each linked to the vendor's own bulletin.

Codebase intelligence MCP server — index any repo into a property graph; 26 tools for agents.

Cavuno MCP com.cavuno/job-board-operator

Connect Claude, Cursor, Codex, and other MCP clients to manage your Cavuno job board.

wcagc — accessibility scanning io.github.WCAG-Compliance/mcp

Deterministic axe-core accessibility scans (WCAG 2.1 AA, EN 301 549, PDF/UA) via your account.

vdb kr.ai.vdb/vdb

Check packages for CVEs, slopsquatting, and CISA KEV before your AI agent installs them.