Agent frameworks and orchestration: 12 companies ranked

Companies selling frameworks and platforms to build, run and coordinate AI agents, in SalesBook agentic-sector rank order. Every company has a profile with dated public sources and a live check of its agent interfaces (MCP, llms.txt). Ranks use the published SalesBook method; tell us who is missing.

• Relevance AI#2Platform for enterprise teams to build and run AI agents for sales, support, marketing and operations.
  MCP connector: yesllms.txt: yes
• Dust#8Platform for companies to build, share and govern AI agents connected to company knowledge and tools.
  MCP connector: nollms.txt: no
• Temporal#14Open-source durable execution platform and Temporal Cloud for running reliable applications and AI agents, sold to developers and enterprises.
  MCP connector: nollms.txt: yes
• LlamaIndex#16Document agent and parsing platform (LlamaParse) plus open-source LlamaIndex framework for building agents over enterprise documents.
  MCP connector: yesllms.txt: no
• LangChain#17Open-source agent frameworks (LangChain, LangGraph) plus LangSmith, a paid platform for building, tracing, evaluating and deploying agents for companies.
  MCP connector: yesllms.txt: no
• CrewAI#34Multi-agent framework and enterprise platform (AMP) for building, deploying and managing teams of AI agents.
  MCP connector: yesllms.txt: yes
• Inngest#39Durable execution and workflow orchestration platform for developers, including AI agent workflows, sandboxes and evals.
  MCP connector: nollms.txt: yes
• Trigger.dev#51Open-source platform for building and deploying durable AI agents and background workflows in TypeScript, sold to developers.
  MCP connector: nollms.txt: yes
• Mastra#73Open-source TypeScript framework and cloud platform for building AI agents with memory, tools, MCP and observability.
  MCP connector: nollms.txt: yes
• Restate#81Durable runtime for stateful applications and multi-agent platforms, offered open source, as Restate Cloud and as BYOC.
  MCP connector: nollms.txt: yes
• Pydantic#82AI engineering stack for teams building agents: Pydantic AI framework, Logfire observability, evals and AI gateway.
  MCP connector: yesllms.txt: yes
• Agno#111Python SDK and AgentOS runtime for building and running agents in a company's own cloud, with a paid control plane.
  MCP connector: yesllms.txt: no