"Understanding HTTP Requests" matching MCP connectors:
GET /v1/connectors — MCP directory API referenceMatching Connector Tools:
Resolve scholarly identifiers (DOI, PMID, ISBN, arXiv, ISSN, ADS, WHO IRIS) into citations (10,000+ CSL styles) and exports (BibTeX, RIS, EndNote...), plus retraction, open-access, and citation-fabrication checks. Six tools, anonymous-friendly Streamable HTTP.
Query SEC EDGAR filings, XBRL financials, and company data through MCP. STDIO & Streamable HTTP.
Live river levels and stream-flow readings from USGS gauges, updated every 15 minutes.
FDA food, drug and device recalls: Class I alerts, firms, status. Updated weekly.
Live Hacker News front page: top tech stories, points, comments, links. $0.01/query.
Space weather: Kp index, solar flare flux, alerts. $0.01/query, free testnet funds.
Rocket launch schedule: SpaceX, Falcon, Electron. $0.01/query, free testnet funds.
CPI, payrolls, unemployment, Fed statements. $0.05/query, free testnet funds in-session.
Query FDA data on drugs, food, devices, and recalls via openFDA. STDIO or Streamable HTTP.
US weather alerts from NWS: warnings, watches, advisories by state. $0.01/query.
Live earthquake alerts from USGS: M2.5+ events 24h, magnitude, depth, location. $0.01/query.
Resolve any government entity worldwide and submit service requests. Open civic data for AI agents.
Machine-readable utilities and datasets for AI agents. MCP + HTTP + x402.
A machine-readable directory where AI products register themselves so AI agents can discover them. Ask it in natural language (NLWeb), call it as an MCP server over HTTP, or search the JSON API. Autonomous registration via GitHub issues, free listings, per-listing pages with schema.org JSON-LD.
MCP server for UK Freedom of Information research. Connects AI assistants to WhatDoTheyKnow — the UK's largest FOI request platform — to search requests, read responses, look up public authorities, and draft new requests.
Exact reference codes for AI agents: countries, currencies with minor units, HTTP status, MIME.
UK planning MCP: applications, workspace, and outreach over Streamable HTTP OAuth.
Free GeoNames MCP: countries, cities, POIs, distance & nearby. Remote HTTP + agent token signup.
Live data-center, power-grid, interconnection-queue, fiber and natural-gas infrastructure intelligence for AI agents — query it and cite it. Streamable HTTP at https://dchub.cloud/mcp. Free tier, no signup. Every full-data response carries a CC-BY-4.0 attribution line and an as_of stamp. Coverage counts and their definitions are served, not stated here: /api/v1/canon/phrases for current quantities, /api/v1/ops/deadman for per-source ingest freshness, and dchub.cloud/bind for the integration contract. The DC Hub Gas Index (DCGI) was withdrawn 2026-08-08 rather than published wrong; live gas data remains via get_gas_intelligence.
