 Open-source framework for building and deploying agents, with A2A interop and Vertex AI Agent Engine OpenAPI | agents+4 | OpenAPI | — | api-key, Platforms | 4/5 | | |
 Places, geocoding, routes, and a hosted MCP endpoint for location-aware agents MCPOpenAPI | maps+3 | MCP+1 | — | api-key, Search | 4/5 | | |
 Ultra-fast LLM inference on custom LPU hardware, tuned for low time-to-first-token OpenAPI | llm+2 | OpenAPI | — | api-key, Models | 4/5 | | |
 One-line proxy for LLM logging, caching, rate limits, and cost analytics MCPOpenAPIllms.txt | observability+3 | MCP+2 | — | api-key, Observability | 4/5 | | |
 Approvals, escalations, and human review steps agents can block on, over an API and SDK | human-in-the-loop+3 | — | — | api-key, Other | 4/5 | | |
 Headless browser fleet with scraping, crawling, and agent-session endpoints MCPOpenAPIllms.txt | browser+3 | MCP+2 | — | api-key, Browsers | 4/5 | | |
 Event-driven durable workflows with step functions, concurrency controls, and AgentKit MCPOpenAPIllms.txt | workflows+3 | MCP+2 | — | api-key, Platforms | 4/5 | | |
 IP geolocation, ASN, and privacy-detection lookups over a simple REST API OpenAPI | ip-data+2 | OpenAPI | — | api-key, Search | 4/5 | | |
 Code execution API across 60+ languages, payable per run over MPP OpenAPIllms.txt | code-execution+3 | OpenAPI+1 | MPP | api-key, Compute | 4/5 | | |
 CFTC-regulated event contract exchange with a documented REST and WebSocket API for algorithmic trading OpenAPI | prediction-market+3 | OpenAPI | — | api-key, Markets | 4/5 | | |
 Open-source MCP infrastructure — hosted servers, OAuth, and multi-tenant tool access for agents MCPOpenAPIllms.txt | mcp+3 | MCP+2 | — | api-key, Platforms | 4/5 | | |
 Notification infrastructure API — workflows, preferences, and multi-channel delivery for agent output MCPOpenAPIllms.txt | notifications+2 | MCP+2 | — | api-key, Messaging | 4/5 | | |
 Image, video, and 3D generation with an MCP server agents can drive directly MCPOpenAPIllms.txt | image+4 | MCP+2 | — | api-key, Media | 4/5 | | |
 OpenTelemetry-native agent observability with trace compression and low-volume pricing MCPOpenAPI | observability+3 | MCP+1 | — | api-key, Observability | 4/5 | | |
 Embedded and cloud multimodal vector store built on the Lance columnar format OpenAPI | vector-db+3 | OpenAPI | — | api-key, Memory | 4/5 | | |
 Document parsing that returns grounded, structured JSON with per-field page coordinates OpenAPIllms.txt | documents+3 | OpenAPI+1 | — | api-key, Vision | 4/5 | | |
 Framework and integrations for LLM apps and agents, with LangSmith and LangGraph alongside OpenAPI | agents+3 | OpenAPI | — | api-key, Platforms | 4/5 | | |
 LangChain memory SDK for extracting, updating, and retrieving semantic, episodic, and procedural memories | agent-memory+3 | — | — | api-key, Memory | 4/5 | | |
 Web search API with native parallel queries and sourced answers, priced per search MCPOpenAPIllms.txt | search+2 | MCP+2 | — | api-key, Search | 4/5 | | |
 Documentation-first card issuing API for running your own virtual card program, including cards handed to agents OpenAPI | virtual-cards+3 | OpenAPI | — | api-key, Payments | 4/5 | | |