MCP servers for DeepSeek Harness

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

Bulgarian National Statistical Institute (НСИ / NSI) — Open Data API.

OpenCitations MCP — citation index (COCI + general Index API).

Phone number validation MCP.

Rijksmuseum — the Dutch national museum's collection, via its open Data Services API…

South African Reserve Bank (SARB) Web API MCP. Keyless.

SerpApi MCP — wraps SerpApi (serpapi.com) search engines

Steam Web API MCP.

OSM Taginfo MCP — statistics on OpenStreetMap tags (keys and key=value pairs). Keyless.…

Pitch Protocol — agent-native venture-capital infrastructure (pitchprotocol.vc).

Lint, curate & prepare computer-vision datasets from your AI assistant — MCP server, 67 tools

MCP server exposing P-Link.io API as tools

Circulara Observe MCP plugin - meters your AI agents' token spend and carbon, free tier.

Pokemon MCP — wraps PokéAPI (free, no auth required)

iNaturalist MCP server. Wildlife observations, species counts, taxa, and places worldwide.

Give an AI agent its own email address: send, reply, read, and wait for mail.

MCP server for interacting with the PostStack Email API

Real-time Polymarket and Kalshi data, cross-platform arb detection, strategy signals

Trigger events, query channels, and manage realtime messaging on Pusher Channels.

Official PushinPay MCP: PIX charges, transaction and balance inquiries via AI.

MCP server that seeds any repo with a customizable PM kit. Any PM, any product — connect YOUR GitHub, ADO, Kusto, IcM. 19 tools