Developer Tools MCP Servers

AlienVault OTX MCP — Open Threat Exchange (free with key)

Have I Been Pwned MCP

GreyNoise Community MCP — internet scanner classification (free tier with key)

VirusTotal MCP — file / URL / domain / IP reputation (BYO key)

PermID MCP — Refinitiv / LSEG Permanent Identifier (free, requires API key)

Companies House MCP — UK statutory company registry (BYO key)

GDELT MCP — Global Database of Events, Language, and Tone (free, no auth)

Grants.gov MCP — open federal grant opportunities (free, no auth)

NSF Awards MCP — National Science Foundation award database (free, no auth)

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

GLEIF MCP — Global Legal Entity Identifier Foundation (free, no auth)

OECD MCP — Organisation for Economic Co-operation and Development data

OWID MCP — Our World in Data chart/indicator access (free, no auth)

iNaturalist MCP — citizen-science species observations (free, no auth for read-only)

arXiv MCP — preprint server search (free, no auth)

Solana MCP developer toolkit: wallets, trades, markets, PnL, transfers, onchain, swaps & API tools.

Read-only MCP for U.S. household distress: 96 indicators, ADI composite, 3,144 counties.

Decode video ads, load brand intelligence, generate ad scripts.

Query, browse, and automate OmegaAI workspaces from any MCP client. Streamable HTTP with OAuth 2.0.

Search products in nearby stores. Agents can also list items for sale on a user's behalf.

Search 160k+ Russian B2B products from 8,900+ verified manufacturers (EN/RU).

SEC EDGAR filings parsed: 8-K body-text classification, 13D activist tagging, S-3 ATM detection.

The hockey data API. Stats, odds, and everything between. REST API and MCP server.

Liveability scoring for Japanese addresses: shopping, medical, transit, education, nature, safety.