Developer Tooling

Mock REST APIs + uptime monitors, heartbeats, status alerts for agents: seed, import, query, write.

Independent directory of agentic AI tools — search, compare & recommend via MCP. Read-only.

Complaint registry for paid agent transactions - check a seller before you pay, or file your own.

Documentation and capability discovery for OrchestKit, a free, open-source plugin for Claude Code (106 skills, 36 agents, 171 hooks).

Doctor-reviewed blood-test markers, conditions & symptoms as agent tools. EN/RU/HE. Hosted.

Search, label, and manage your X (Twitter) bookmarks from any MCP client via Tweetsmash

Auto insurance prices for Texas drivers, from rates the state publishes.

U.S. Bureau of Transportation Statistics (BTS) — data.bts.gov open-data portal (Socrata platform).

Generate AI influencer photos, face swaps, and character sheets with a consistent face.

Measured design systems decoded from 588 real products, for coding agents.

Cash-pay lab tests: catalog search, all-in quotes by state, draw sites by ZIP, reviewed ranges.

13 deterministic agent utilities: timezone, cron, RRULE, currency, regex, diff, hashing & more.

Nabídka nemovitostí GROO reality — byty, domy a pozemky v Praze a okolí. Jen pro čtení, bez klíče.

A growing family of free academic data libraries: finance, economics, and beyond (ElkassabgiData).

Wavedash docs and workflow guidance for building and publishing browser games.

Transactional e-mail and permission-based campaigns, multi-tenant, with a full audit trail.

x402-paid Base agent tools (USDC). 5 deterministic tools. No API keys. No NFT pass.

Real-time collaborative whiteboard — AI agents and humans edit the same board live over MCP.

Michigan Open Data (data.michigan.gov) Socrata MCP.

Monero/Zcash payment webhooks + DeFi liquidation & Ethereum builder data over MCP. Free tier; x402.