 Tool-calling runtime with per-user OAuth, so agents act as the signed-in user across third-party APIs MCPOpenAPIllms.txt | tools+3 | MCP+2 | — | m2m-oauth, Platforms | 5/5 | | |
 Framework for durable agents on Workers, with built-in payment support across x402 and the Visa and Mastercard agent schemes MCPOpenAPIllms.txt | agents+5 | MCP+2 | Agent Pay+2 | api-key, Platforms | 5/5 | | |
 Managed auth plus hundreds of app integrations, exposed to agents through the Rube MCP server MCPOpenAPIllms.txt | tools+3 | MCP+2 | — | api-key, Platforms | 5/5 | | |
 Hosted runtime for stateful agent graphs with persistence, streaming, and human-in-the-loop MCPOpenAPI | agents+3 | MCP+1 | — | api-key, Platforms | 5/5 | | |
 Issue tracking and project data over GraphQL and a remote MCP server agents can drive MCPOpenAPIllms.txt | issues+3 | MCP+2 | — | m2m-oauth, Platforms | 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 | | |
 Open catalog of MCP servers with a public API agents and clients can query for installable tools OpenAPI | mcp+3 | OpenAPI | — | none, Platforms | 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 | | |
 Thousands of app actions exposed to agents through a hosted MCP endpoint, no per-app integration work MCPOpenAPIllms.txt | automation+3 | MCP+2 | — | api-key, Platforms | 5/5 | | |
 Open protocol for agent-to-agent discovery, task delegation, and streaming updates across vendors OpenAPIllms.txt | a2a+4 | OpenAPI+1 | — | none, Platforms | 4/5 | | |
 Work graph — tasks, projects, and portfolios — over REST and a remote MCP server MCPOpenAPIllms.txt | tasks+2 | MCP+2 | — | m2m-oauth, Platforms | 4/5 | | |
 Jira issues and Confluence pages over REST and a remote MCP server MCPOpenAPIllms.txt | issues+3 | MCP+2 | — | m2m-oauth, Platforms | 4/5 | | |
 Multi-agent orchestration framework with a hosted control plane for deployment OpenAPIllms.txt | agents+3 | OpenAPI+1 | — | api-key, Platforms | 4/5 | | |
 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 | | |
 CRM records, deals, and marketing data over API and a hosted MCP endpoint MCPOpenAPIllms.txt | crm+3 | MCP+2 | — | m2m-oauth, Platforms | 4/5 | | |
 Event-driven durable workflows with step functions, concurrency controls, and AgentKit MCPOpenAPIllms.txt | workflows+3 | MCP+2 | — | api-key, Platforms | 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 | | |
 Framework and integrations for LLM apps and agents, with LangSmith and LangGraph alongside OpenAPI | agents+3 | OpenAPI | — | api-key, Platforms | 4/5 | | |
 TypeScript agent framework with workflows, memory, evals, and a deployable server MCPOpenAPIllms.txt | agents+4 | MCP+2 | — | api-key, Platforms | 4/5 | | |
 Code-first integration platform handling OAuth, syncs, webhooks, and tool definitions agents call MCPOpenAPIllms.txt | integrations+4 | MCP+2 | — | m2m-oauth, Platforms | 4/5 | | |