Developer Tools MCP Servers

Looks up the electronic invoice numbering voidings for a company from the CNPJ and year. Platform-ho

Looks up the full data of an electronic invoice (NFe) from the access key. Platform-hosted, no crede

Estimated socioeconomic level and income of a person from a CPF, based on income, occupation, and ed

US baby name popularity data from SSA records (1880-2025): search, trends, geography, culture.

UK NIHR (National Institute for Health and Care Research) open-data MCP.

Search remote-work accommodations worldwide; Trusted Stay Partners can manage their own listings.

Chữ Nôm lookup, search and Vietnamese ↔ Nôm conversion, incl. 2,422 unmapped PUA codepoints.

Curated, probe-verified directory of paid x402 APIs. Agents check it before spending money.

NIST Standards MCP pack

Real-time crypto asset intel for trading AIs: liquidity grades, transfer routes, spreads, BTI

Someone to talk to, for your user: coaches, mentors, accountability partners. First session free.

Estonian Business Register: companies, people, beneficial owners, trademarks. Free, no API key.

NHTSA MCP — wraps the NHTSA vPIC (Vehicle Product Information Catalog) API (free, no auth)

Find the stories worth writing about: discover emerging stories, rank the angle, draft from sources.

NIST Randomness Beacon v2 — signed public random pulses every 60s.

NOAA Storm Prediction Center — outlooks, storm reports, watches

Fetch NFT metadata — name, image, traits from contract+tokenId. x402 micropayment.

NFT collection floor price, volume, holders, rarity rank via Reservoir. ETH + Base. x402.

NOAA Space Weather Prediction Center (solar wind, Kp, aurora, alerts)

NOAA Tides & Currents — observations, predictions, datums, station metadata

NIH RePORTER MCP — every NIH-funded research project (free, no auth)

NOAA Weather MCP — National Weather Service forecasts and alerts

NHL MCP — live NHL data via the official NHL API

Solana on-chain intelligence — token scans, wallet profiling, bundle detection, 19 MCP tools.