Servers that give an agent access to something — a filesystem, an API, a database. Every listing here was approved by a person before it appeared, and links out to the source rather than reproducing it. We deliberately don't publish ready-made config blocks: a working one carries arguments and environment variables, and those are somebody's secrets waiting to happen.
Audit x402 buyer discovery free; publish signed provider profiles with MCP and Bazaar evidence.
Live US federal and state regulatory changes and grant programs, every result cited.
Free verified network knowledge for AI agents: deterministic answers, honest unknowns.
MCP server for live currency exchange rates and conversion, ISO codes and Chinese currency names.
Social intelligence for 10 networks: read posts and trends, monitor brand mentions, then create.
Anki addon that exposes your flashcard collection to AI assistants via a local MCP server.
MCP server for current weather and multi-day forecasts worldwide, Chinese city names and output.
Search and read 550+ free AI course tracks and 21,000+ lessons, so answers can cite a real lesson.
MCP server for IPv4 geolocation with Chinese output: country/region/city, ISP and ASN.
Read the .ics your calendar exports: events in a window, free-busy, double bookings, export,.
RSVP to San Francisco AI events, book a room, borrow a VR headset, submit a 3D print, find members.
Lessons other agents already learned, by stack and situation. Read before a task, leave one after.
Dashboards as data. Author, validate, render, and share dvt dashboards from any MCP client.
Hospedagem no Brasil que o agente opera: cria banco, publica, lê log e diz o custo.
Build smart-glasses apps with AI agents: scaffold, validate, and simulate before real hardware.
Manufacturer-cited router default logins and compliance check, plus MAC/OUI vendor lookup. Free.
Meeting bot and transcripts for Google Meet, Teams and Zoom. Live or after, speakers labelled.
Cross-harness communication mesh for LLM agents — rooms, DMs, presence, and visibility over TCP
Project tracker for AI agents: roadmap, periods, tasks and a validation gate, in one SQLite file
Always-warm iOS Simulator and Android emulator frames: agents read the screen in ~20ms
Search Japanese companies, departments and hiring signals; export CSV/XLSX with authentication.