376 pages for attach.

Understanding MCP clients Model Context Protocol · in the page docs/draft/learn/client-concepts …uests. The client gathers the input and retries the original request, attaching the collected `inputResponses` and echoing back any `requestState` the server included. **Elicitation flow:** ```merma… SEP-2127: MCP Server Cards - HTTP Server Discovery Model Context Protocol · in the page seps/2127-mcp-server-cards …ence or embed a card's remote information, while vendors that need to attach installation hints directly to a card can use namespaced `_meta`. ## Specification The full specification is maintained i… SEP-2322: Multi Round-Trip Requests Model Context Protocol · in the page seps/2322-MRTR …s` field. 3. Client retries the request with the `requestState` field attached. The load balancers route this request to server instance B. 4. Server instance B starts from the state it sees in the… SEP-2567: Sessionless MCP via Explicit State Handles Model Context Protocol · in the page seps/2567-sessionless-mcp …ehaviors are session-bound, but in practice five categories of things attach to a session's lifetime: 1. **Negotiated capabilities and protocol version.** The result of `initialize` — which protocol… SEP-2640: Skills Extension Model Context Protocol · in the page seps/2640-skills-extension …y serves and carries no authorship or endorsement. Intermediaries MAY attach provenance or verification annotations via `_meta` under their own reverse-domain prefix, not the `io.modelcontextprotocol.… SEP-2663: Tasks Extension Model Context Protocol · in the page seps/2663-tasks-extension …t` call before issuing any task-augmented request, and cannot blindly attach a `task` parameter to every request to handle tools isomorphically. This is confusing, implicit, and easy to get wrong. 2.… SEP-973: Expose additional metadata for Implementations, Resources, Tools and Prompts Model Context Protocol · in the page seps/973-expose-additional-metadata-for-implementations-res …generic labels with no visual cues.  ### Proposed State The proposed implementation would allow us to add vi… Overview Model Context Protocol · in the page specification/2024-11-05/server/index …menu options | | Resources | Application-controlled | Contextual data attached and managed by the client | File contents, git history | | Tools | Model-controlled | Functions exposed to the LLM to tak… Transports Model Context Protocol · in the page specification/2025-03-26/basic/transports …delivering messages that might otherwise be lost: 1. Servers **MAY** attach an `id` field to their SSE events, as described in the [SSE standard](https://html.spec.whatwg.org/multipage/server-sent… Overview Model Context Protocol · in the page specification/2025-03-26/server/index …menu options | | Resources | Application-controlled | Contextual data attached and managed by the client | File contents, git history | | Tools | Model-controlled | Functions exposed to the LLM to tak… Overview Model Context Protocol · in the page specification/2025-06-18/basic/index …property/parameter is reserved by MCP to allow clients and servers to attach additional metadata to their interactions. Certain key names are reserved by MCP for protocol-level metadata, as specified… Transports Model Context Protocol · in the page specification/2025-06-18/basic/transports …delivering messages that might otherwise be lost: 1. Servers **MAY** attach an `id` field to their SSE events, as described in the [SSE standard](https://html.spec.whatwg.org/multipage/server-sent… Schema Reference Model Context Protocol · in the page specification/2025-06-18/schema …rogress). The value of this parameter is an opaque token that will be attached to any subsequent notifications. The receiver is not obligated to provide these notifications.</p> </div></li></ul></li><… Overview Model Context Protocol · in the page specification/2025-06-18/server/index …menu options | | Resources | Application-controlled | Contextual data attached and managed by the client | File contents, git history | | Tools | Model-controlled | Functions exposed to the LLM to tak… Overview Model Context Protocol · in the page specification/2025-11-25/basic/index …property/parameter is reserved by MCP to allow clients and servers to attach additional metadata to their interactions. Certain key names are reserved by MCP for protocol-level metadata, as specified… Transports Model Context Protocol · in the page specification/2025-11-25/basic/transports …delivering messages that might otherwise be lost: 1. Servers **MAY** attach an `id` field to their SSE events, as described in the [SSE standard](https://html.spec.whatwg.org/multipage/server-sent… Schema Reference Model Context Protocol · in the page specification/2025-11-25/schema …activity timestamp in an open file, timestamp when the resource was attached, etc.</p> </div></section> </div> <div class="type"> ### `Cursor` <div class="tsd-signature"><span class="tsd-kind-… Overview Model Context Protocol · in the page specification/2025-11-25/server/index …menu options | | Resources | Application-controlled | Contextual data attached and managed by the client | File contents, git history | | Tools | Model-controlled | Functions exposed to the LLM to tak… Architecture Model Context Protocol · in the page specification/2026-07-28/architecture/index …es with exactly one server: * Communicates with exactly one server * Attaches protocol version and capabilities to every request * Routes protocol messages bidirectionally * Manages subscriptions and… Overview Model Context Protocol · in the page specification/2026-07-28/basic/index …ta` property/parameter is used by MCP to allow clients and servers to attach additional metadata to their interactions. Certain key names are reserved by MCP for protocol-level metadata, as specified… Schema Reference Model Context Protocol · in the page specification/2026-07-28/schema …activity timestamp in an open file, timestamp when the resource was attached, etc.</p> </div></section> </div> <div class="type"> ### `Cursor` <div class="tsd-signature"><span class="tsd-kind-… Overview Model Context Protocol · in the page specification/2026-07-28/server/index …menu options | | Resources | Application-controlled | Contextual data attached and managed by the client | File contents, git history | | Tools | Model-controlled | Functions exposed to the LLM to tak… Architecture Model Context Protocol · in the page specification/draft/architecture/index …es with exactly one server: * Communicates with exactly one server * Attaches protocol version and capabilities to every request * Routes protocol messages bidirectionally * Manages subscriptions and… Overview Model Context Protocol · in the page specification/draft/basic/index …ta` property/parameter is used by MCP to allow clients and servers to attach additional metadata to their interactions. Certain key names are reserved by MCP for protocol-level metadata, as specified… Schema Reference Model Context Protocol · in the page specification/draft/schema …activity timestamp in an open file, timestamp when the resource was attached, etc.</p> </div></section> </div> <div class="type"> ### `Cursor` <div class="tsd-signature"><span class="tsd-kind-… Overview Model Context Protocol · in the page specification/draft/server/index …menu options | | Resources | Application-controlled | Contextual data attached and managed by the client | File contents, git history | | Tools | Model-controlled | Functions exposed to the LLM to tak…