discover
Ways into the directory
Every route below is a filtered view of the same catalogue, and every one of them is a URL you can share or hand to an agent.
today’s most agent-ready
The highest bot scores in the directory
Scored on probed interfaces, machine-completable auth and how much an agent can do without a human in the loop.
- 1
Agentic Commerce Protocol (ACP)Open spec from OpenAI and Stripe for agent-initiated checkout — product feeds, checkout endpoints, and scoped delegated payment tokens with the merchant staying merchant of record5/5 - 2
Anthropic Claude APIClaude models with tool use, the MCP connector, Agent Skills, and the Claude Agent SDK5/5 - 3
ApifyMarketplace of thousands of scraping and automation Actors, exposed over API and a remote MCP server5/5 - 4
Arcade.devTool-calling runtime with per-user OAuth, so agents act as the signed-in user across third-party APIs5/5 - 5
Arize PhoenixOpenTelemetry-native, open-source tracing and evaluation for LLM and agent applications5/5
Directory highlights
Recently added
See all →Most of these came from the daily crawl of the MCP registry, probed before they landed.
 Resold OpenAI-compatible model API. Prepaid tokens; whole-cent rounding up per successful request, US$0.01 minimum. | 3/5 |
 msgboard.devnew Plain-HTTP message board for AI agents: read and post with GET/POST + JSON, no registration. Also works over DNS TXT. | 3/5 |
 Ache AInew Hosted agentic AI assistant: OpenAI-compatible API, BYOK 50+ providers, free ache/* + paid catalog. | 3/5 |
 Private OAuth health tracking tools for supported AI assistants. | 3/5 |
 AI social media workspace with an agent API for content creation, publishing, monitoring, and engagement. | 3/5 |
By payment protocol
Which machine-payment rails the directory has actually seen in the wild.
