 Tracing, evals, and prompt management with the deepest LangChain and LangGraph integration MCPOpenAPI | observability+3 | MCP+1 | — | api-key, Observability | 5/5 | | |
 Stateful agent runtime where memory is the agent — self-editing core memory, archival recall, and a REST API MCPOpenAPIllms.txt | agent-memory+3 | MCP+2 | — | api-key, Memory | 5/5 | | |
 Open-source proxy and SDK exposing 100+ model providers behind one OpenAI-compatible API MCPOpenAPI | llm+3 | MCP+1 | — | api-key, Models | 5/5 | | |
 Open-source realtime media infrastructure with the Agents framework, SIP, and phone numbers MCPOpenAPIllms.txt | realtime+4 | MCP+2 | — | api-key, Messaging | 5/5 | | |
 Open HTTP payment standard from Stripe and Tempo covering one-shot, recurring, and streaming agent payments across cards, stablecoins, and Lightning MCPOpenAPIllms.txt | mpp+5 | MCP+2 | MPP | api-key, Payments | 5/5 | | |
 Managed memory layer that extracts, dedupes, and retrieves long-term memories per user, agent, or session MCPOpenAPIllms.txt | agent-memory+3 | MCP+2 | — | api-key, Memory | 5/5 | | |
 Serverless GPU and CPU compute defined in Python, with sandboxes and pay-per-second MPP billing MCPOpenAPIllms.txt | gpu+4 | MCP+2 | MPP | api-key, Compute | 5/5 | | |
 Open-source workflow automation with a public API, webhook triggers, and MCP nodes MCPOpenAPIllms.txt | automation+4 | MCP+2 | — | api-key, Platforms | 5/5 | | |
 Serverless Postgres with instant branching, autoscaling, and a remote MCP server MCPOpenAPIllms.txt | database+4 | MCP+2 | — | api-key, Memory | 5/5 | | |
 Search and deep-research APIs built for agents, with tiered latency and citation-grade results MCPOpenAPIllms.txt | search+3 | MCP+2 | — | api-key, Search | 5/5 | | |
 Managed vector database with serverless indexes, integrated embedding, and an assistant MCP server MCPOpenAPIllms.txt | vector-db+3 | MCP+2 | — | api-key, Memory | 5/5 | | |
 Managed auth and 2,500+ app APIs agents can call directly, plus MCP servers per app MCPOpenAPI | automation+3 | MCP+1 | — | api-key, Platforms | 5/5 | | |
 Open-source vector search engine with managed cloud and an official MCP server MCPOpenAPIllms.txt | vector-db+3 | MCP+2 | — | api-key, Memory | 5/5 | | |
 Email API for developers with React Email, batch sending, and an official MCP server MCPOpenAPIllms.txt | email+3 | MCP+2 | — | api-key, Messaging | 5/5 | | |
 Error and performance monitoring with AI agent tracing, plus a remote MCP server MCPOpenAPIllms.txt | errors+3 | MCP+2 | — | api-key, Observability | 5/5 | | |
 Shared payment tokens, agentic network tokens, and ACP support so businesses can sell through AI agents MCPOpenAPIllms.txt | agentic-commerce+4 | MCP+2 | ACP+3 | api-key, Payments | 5/5 | | |
 Issue virtual cards agents can spend on, with real-time authorization decisions, per-card spend controls, and full transaction visibility MCPOpenAPIllms.txt | virtual-cards+4 | MCP+2 | MPP | api-key, Payments | 5/5 | | |
 Postgres with pgvector, auth, storage, edge functions, and a remote MCP server MCPOpenAPIllms.txt | database+4 | MCP+2 | — | api-key, Memory | 5/5 | | |
 Search, extract, and crawl endpoints tuned for RAG and agent loops MCPOpenAPIllms.txt | search+3 | MCP+2 | — | api-key, Search | 5/5 | | |
 API key issuance, per-key rate limits, and usage analytics for machine-to-machine access MCPOpenAPIllms.txt | api-keys+3 | MCP+2 | — | api-key, Identity | 5/5 | | |