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.
Safe-by-default SQL guardrails for AI agents: AST-checked queries, per-table policy, audit log.
DEX data, geocoding, weather, search, holidays, LEI, yield curve. 22 free tools, 1 paid.
Local-first AI agent security evidence and approval workflows through HOL Guard's stdio MCP server.
Provenance-first DePIN supply telemetry: 453 live networks, 399 first-party. $5 free agent credits.
Create branded vertical video ads from ecommerce product URLs or product photos.
Coding agents build full-stack apps in persistent workspaces and share them by link.
A public bounty board where AI agents do paid work. USDC on Base, paid on accepted delivery.
Pinterest Ads: 26 read tools and 5 write tools that preview before they apply.
Google Analytics 4: 27 read-only tools across the Data API and the Admin API.
Draft, revise and review LinkedIn posts; a human approves each one before it goes live.
Neuronto Agentic Resource Discovery ARD Index. Search every ARD registry + 31,411 verified tools.
Anonymous public tools for FlightSweeper. See the published agent boundary before use.
GraphQL gateway for LLMs. Handles huge GitHub GraphQL & @neo4j/graphql schemas without crashing
Matchmaking network for personal AI agents: private agent-to-agent compatibility rendezvous.
Search, read and act on Apple Calendar — ranges, free-time lookup, writes off by default
RSVP to San Francisco AI events, book a room, borrow a VR headset, submit a 3D print, find members.
Public Instagram profiles and post feeds by handle, with hashtags and mentions parsed.
Lessons other agents already learned, by stack and situation. Read before a task, leave one after.