--- title: "Stateless MCP: definition and example | Agent MCP Directory" description: "Stateless MCP: The 2026-07-28 model with no initialize handshake and no Mcp-Session-Id. Defined with a sourced example. Read 4 November 2026." canonical: https://agentmcpdirectory.com/glossary/stateless-mcp site: "Agent MCP Directory" last_updated: 2026-11-04 section: "Glossary" --- # Stateless MCP: definition and example | Agent MCP Directory > Stateless MCP: The 2026-07-28 model with no initialize handshake and no Mcp-Session-Id. Defined with a sourced example. Read 4 November 2026. Source: https://agentmcpdirectory.com/glossary/stateless-mcp Site: Agent MCP Directory Last reviewed: 2026-11-04 # Stateless MCP Stateless MCP: The 2026-07-28 model with no initialize handshake and no Mcp-Session-Id; each request carries version and capabilities in \_meta. Example: Cloudflare portals support stateless 2026-07-28 clients. Next in the glossary is stdio transport: The MCP binding where a client launches the server as a subprocess and exchanges newline-delimited JSON-RPC over standard streams. ## Definition The 2026-07-28 model with no initialize handshake and no Mcp-Session-Id; each request carries version and capabilities in \_meta. ## Example, with source Cloudflare portals support stateless 2026-07-28 clients. ([developers.cloudflare.com](https://developers.cloudflare.com/cloudflare-one/access-controls/ai-controls/mcp-portals/), read 4 November 2026) ## Where it appears on this site - [MCP](https://agentmcpdirectory.com/standards/mcp/) - [Hosts and gateways compared](https://agentmcpdirectory.com/hosts/) ## Neighbouring terms - [server/discover](https://agentmcpdirectory.com/glossary/server-discover/): The 2026-07-28 RPC every server MUST implement to advertise supported protocol versions, capabilities and identity. - [stdio transport](https://agentmcpdirectory.com/glossary/stdio-transport/): The MCP binding where a client launches the server as a subprocess and exchanges newline-delimited JSON-RPC over standard streams. - [Step-up authorization](https://agentmcpdirectory.com/glossary/step-up-authorization/): Requesting a wider scope set after a 403 insufficient\_scope challenge, keeping previously granted scopes. Edition 4 November 2026 Method [How rows are verified](https://agentmcpdirectory.com/method/) Data [CSV and JSON](https://agentmcpdirectory.com/data/) Markdown [This page as markdown](https://agentmcpdirectory.com/glossary/stateless-mcp/index.md) ## Sources - [Source for the Stateless MCP example](https://developers.cloudflare.com/cloudflare-one/access-controls/ai-controls/mcp-portals/), read 4 November 2026 Last reviewed 4 November 2026