"How to add documentation to a project or system" matching MCP connectors:
GET /v1/connectors — MCP directory API referenceMatching Connector Tools:
Search otwarteAPI.pl — a catalog of 53 official public Polish and EU APIs (VAT white list, KRS, GUS, NBP, ECB, Eurostat, VIES and more), curated for AI agents. One tool: find the right API by natural-language query. No API key, no signup.
CLSTR reads 100,000+ articles a day from 40,000+ sources in 170+ countries and deduplicates them into single events, then links related events into ongoing situations with a maintained summary and a full timeline. An agent can answer what has happened over the last six weeks, not just what a single headline says right now.
Verified data on 8,000+ AI tools for any AI assistant: live status, pricing reality, user sentiment, viability, and alternatives, every answer carries a last-verified date. Free, read-only, no auth.
Open AI Visibility Index for crypto and Web3. Weekly share-of-answer measurements for 24 tracked brands across ChatGPT, Perplexity and Gemini, from a frozen versioned prompt panel. Five read-only tools: full index, per-brand lookup, brand list, complete measurement history and methodology. No auth, no API key. Data is CC BY 4.0 with a permanent archive of every weekly snapshot, so any figure can be verified independently.
Open AI Visibility Index for SaaS and AI tools. Weekly share-of-answer measurements for 20 tracked brands across ChatGPT, Perplexity and Gemini, from a frozen versioned prompt panel. Five read-only tools: full index, per-brand lookup, brand list, complete measurement history and methodology. No auth, no API key. Data is CC BY 4.0 with a permanent archive of every weekly snapshot, so any figure can be verified independently.
AgentBridge is the only MCP server that gives AI agents access to structured China knowledge assets—university reports, industry briefings, policy analysis, and real-time web content—through x402 micropayments on Base. Everything is machine-readable, pay-per-use, and settled in USDC.
Search and compare attributed recipe records through a public read-only remote MCP endpoint.
One MCP endpoint over 69 public PPN APIs: search_apis to discover, execute_api to call. Free tier.
Search and analyze global news coverage and US TV transcripts via the GDELT Project APIs.
A fault code, a VIN, or a recall — answered from public NHTSA and standards data.
A Model Context Protocol server that provides Philippine License to Sell (LTS) verification data to LLMs. Built on Cloudflare Workers with Supabase. Public, read-only, no authentication required. Data sourced from the Department of Human Settlements and Urban Development (DHSUD) License to Sell registry and cross-referenced with published real estate projects on REN.PH.
MCP server for the Philippine Standard Geographic Code (PSGC) API. Gives AI agents structured access to the full PH geographic hierarchy - regions, provinces, cities, municipalities, and barangays.
Worldwide nonstop flight routes from Wikipedia: airports, destinations, connections, airlines.
Citation-health over a CC0 citation graph: what supports, refutes, or cites a paper. Read-only.
Free US drug-price benchmarks from federal data (CMS NADAC): a benchmark, not a price anyone owes.
Free contractor-license checks from official state records; a no-match never proves unlicensed.
Five-to-twelve-cent source-attributed public URL and domain result packs for AI agents.
UN FAOSTAT global food & agriculture statistics over a local SQLite mirror, via MCP.
MCP server for Project Gutenberg — 75,000+ public-domain ebooks with full plain-text retrieval.
Resolve coordinates and geographic identifiers to loc_id, crosswalks, boundaries, and exports.
