 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 | | |
 Anthropic SDK for building agents with tool use, MCP servers, Agent Skills, and subagents llms.txtskill | agents+4 | llms.txt+1 | — | api-key, 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 | | |
 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 | | |
 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 | | |
 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 | | |
 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 | | |
 Durable execution for long-running agent workflows, with retries and full history replay MCPOpenAPIllms.txt | workflows+3 | MCP+2 | — | api-key, Platforms | 4/5 | | |
 Open-source background jobs and durable AI workflows with long-running tasks and retries MCPOpenAPIllms.txt | workflows+3 | MCP+2 | — | api-key, Platforms | 4/5 | | |
 AI social media workspace with an agent API for content creation, publishing, monitoring, and engagement. llms.txt | social-media+3 | llms.txt | — | api-key, Platforms | 3/5 | | |