MCP Server Registry

Local-first, source-backed continuity for AI agents via stdio MCP.

Read-only, zero-key MCP server for point-in-time AI model API prices. Open data, CC BY 4.0.

Source-backed AI model pricing, rankings, history, and benchmark data.

Video scene understanding for AI agents via the Primate Vision API.

Structured Windows state for AI agents: processes, windows, UI trees. No screenshots.

Connect any two APIs and keep them in sync — 45 MCP tools with shadow previews and diagnostics.

Automated AI research toolkit: hypothesis generation, experiments, and paper writing

Query Airbrake errors, notices, deploys, and project stats from MCP clients

Let AI agents query data and act across all your business apps via MCP.

Check wallet eligibility for active crypto airdrops — LayerZero, EigenLayer, Scroll. x402.

Crypto airdrop eligibility API for AI agents. Check any wallet's eligibility for active airdrops: token name, estimated value, deadline, claim URL, and status. Aggregated from Etherscan and on-chain data. Tools: crypto_check_airdrops. Use this to monitor airdrop eligibility for wallets you manage, alert users about unclaimed airdrops, or track upcoming distributions. Essential for DeFi portfolio optimization. Returns: {airdrops[], totalValue, deadlines[]}. No API key required — x402 micropayment $0.005/call on Base L2.

AI-powered credit union discovery MCP server. Find rates, check eligibility, and open accounts.

Can AI confidently recommend your business? The AI Recommendation Readiness Audit shows whether your

The server provides immediate access to millions of academic papers through Semantic Scholar and arXiv, enabling AI-powered research with comprehensive search, citation analysis, and full-text PDF extraction from multiple sources (arXiv and Wiley open-access). - No API key is required.

EPA AirNow MCP — official US real-time AQI + forecast (free key)

AI Room Design helps users redesign rooms and visualize new interior layouts with AI-generated

Build, validate, deploy — HTTP APIs, cron jobs, webhooks and MCP tools — from your AI client.

Airport information including IATA codes and geolocation data via the AirportGap API.

MCP server for direct HTTP communication with air-Q air quality sensor devices

MCP server for air-Q Cloud API — access air quality data from anywhere

Air Quality MCP — wraps air-quality-api.open-meteo.com (free, no auth)

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

Manage AirStrings localization strings and publish signed bundles from your workspace.

Manage Airtable bases: schema, field CRUD, views, formula validation, extensions