A directory of services AI agents can actually use — APIs, tools and merchants with machine-readable interfaces and agent payment protocols. Badges are probe-backed, never self-asserted.
| Score |
|---|
 LangSmithMCPOpenAPI Tracing, evals, and prompt management with the deepest LangChain and LangGraph integration | Observability | ||
 LettaMCPOpenAPIllms.txt Stateful agent runtime where memory is the agent — self-editing core memory, archival recall, and a REST API | Memory | ||
 LiteLLMMCPOpenAPI Open-source proxy and SDK exposing 100+ model providers behind one OpenAI-compatible API | Models | ||
 LiveKitMCPOpenAPIllms.txt Open-source realtime media infrastructure with the Agents framework, SIP, and phone numbers | Messaging | ||
 Machine Payments Protocol (MPP)MCPOpenAPIllms.txtMPP Open HTTP payment standard from Stripe and Tempo covering one-shot, recurring, and streaming agent payments across cards, stablecoins, and Lightning | Payments | ||
 Mem0MCPOpenAPIllms.txt Managed memory layer that extracts, dedupes, and retrieves long-term memories per user, agent, or session | Memory | ||
 ModalMCPOpenAPIllms.txtMPP Serverless GPU and CPU compute defined in Python, with sandboxes and pay-per-second MPP billing | Compute | ||
 n8nMCPOpenAPIllms.txt Open-source workflow automation with a public API, webhook triggers, and MCP nodes | Platforms | ||
 NeonMCPOpenAPIllms.txt Serverless Postgres with instant branching, autoscaling, and a remote MCP server | Memory | ||
 ParallelMCPOpenAPIllms.txt Search and deep-research APIs built for agents, with tiered latency and citation-grade results | Search | ||
 PineconeMCPOpenAPIllms.txt Managed vector database with serverless indexes, integrated embedding, and an assistant MCP server | Memory | ||
 Pipedream ConnectMCPOpenAPI Managed auth and 2,500+ app APIs agents can call directly, plus MCP servers per app | Platforms | ||
 QdrantMCPOpenAPIllms.txt Open-source vector search engine with managed cloud and an official MCP server | Memory | ||
 ResendMCPOpenAPIllms.txt Email API for developers with React Email, batch sending, and an official MCP server | Messaging | ||
 SentryMCPOpenAPIllms.txt Error and performance monitoring with AI agent tracing, plus a remote MCP server | Observability | ||
 Stripe Agentic Commerce SuiteMCPOpenAPIllms.txtACPAP2MPPUCP Shared payment tokens, agentic network tokens, and ACP support so businesses can sell through AI agents | Payments | ||
 Stripe Issuing for AgentsMCPOpenAPIllms.txtMPP Issue virtual cards agents can spend on, with real-time authorization decisions, per-card spend controls, and full transaction visibility | Payments | ||
 SupabaseMCPOpenAPIllms.txt Postgres with pgvector, auth, storage, edge functions, and a remote MCP server | Memory | ||
 TavilyMCPOpenAPIllms.txt Search, extract, and crawl endpoints tuned for RAG and agent loops | Search | ||
 UnkeyMCPOpenAPIllms.txt API key issuance, per-key rate limits, and usage analytics for machine-to-machine access | Identity |
Same query as JSON: /api/v1/services?has_mcp=true&auth_method=api-key&page=2