618 pages for hold.

TUI client Model Context Protocol · in the page docs/draft/tools/inspector/tui …md#callback-urls). The trade-off is that only one TUI OAuth flow can hold the port at a time; a second concurrent flow fails with `EADDRINUSE`. To override it, pass `--callback-url` or set `MCP_OAUTH… Tasks Model Context Protocol · in the page extensions/tasks/overview …e final result after reconnecting. ## Why not just block? You could hold the connection open until the work finishes. Tasks solve problems that blocking cannot: * **No long-lived connections.** Blo… SEP-1302: Formalize Working Groups and Interest Groups in MCP Governance Model Context Protocol · in the page seps/1302-formalize-working-groups-and-interest-groups-in-mc …y progress towards at least one SEP or spec-related implementation OR holds maintenance responsibilities for a Project * Facilitator(s) is/are responsible for fielding status update requests by commun… SEP-1850: PR-Based SEP Workflow Model Context Protocol · in the page seps/1850-pr-based-sep-workflow …*Draft the proposal** in `seps/0000-{slug}.md` using `0000` as a placeholder number 2. **Open a pull request** containing the draft SEP and any supporting materials 3. **Request a sponsor** from the M… SEP-2127: MCP Server Cards - HTTP Server Discovery Model Context Protocol · in the page seps/2127-mcp-server-cards …/modelcontextprotocol/experimental-ext-server-card) repository, which holds the TypeScript schema source of truth, the generated JSON Schema, discovery documentation, and valid/invalid example documen… SEP-2148: MCP Contributor Ladder Model Context Protocol · in the page seps/2148-contributor-ladder …l contexts when appropriate * Engage with the area ecosystem and stakeholders, understanding real-world usage, and representing community needs * Ensure proposals reaching Core Maintainers are refined… SEP-2149: MCP Group Governance and Charter Template Model Context Protocol · in the page seps/2149-working-group-charter-template …ersect with the contributor ladder: WG Leads and IG Facilitators must hold at least Member status on the ladder, and group participation is a recognized pathway to ladder advancement. ## Motivation… SEP-2243: HTTP Header Standardization for Streamable HTTP Transport Model Context Protocol · in the page seps/2243-http-standardization …exceeding 8192 bytes") would introduce problems: 1. **Arbitrary threshold**: Any chosen value would be too low for some deployments and irrelevant for others. The "right" limit varies by infrastructu… SEP-2322: Multi Round-Trip Requests Model Context Protocol · in the page seps/2322-MRTR …Elicitation Request (SSE Stream Open) Note right of SA: Server A holds memory,<br/>waiting for response... Note over C,SB: 2. User Responds C->>LB: Elicitation Result LB->>SB: Route… SEP-2484: Require Conformance Tests for Standards Track SEPs to Reach Final Status Model Context Protocol · in the page seps/2484-conformance-tests-required-for-final-seps …s SEP-1730's foundation without changing its tier definitions or thresholds. Tier assessments use pinned conformance releases, so new checks do not retroactively affect tier status. Disputed tests do… SEP-2567: Sessionless MCP via Explicit State Handles Model Context Protocol · in the page seps/2567-sessionless-mcp …ession unreliable as a container for application state. This proposal holds that application state can be served by explicit identifiers, and that the session abstraction adds constraints (fixed cardi… SEP-2575: Make MCP Stateless Model Context Protocol · in the page seps/2575-stateless-mcp …because a client's session is coupled to the specific server instance holding its state. This proposal outlines a series of changes to **enable stateless MCP as the default**, embracing a "pay as you… SEP-2596: Specification Feature Lifecycle and Deprecation Policy Model Context Protocol · in the page seps/2596-spec-feature-lifecycle-and-deprecation …re MAY be proposed for deprecation when at least one of the following holds: * It has been superseded by another feature that covers the same use cases. * It presents a security, privacy, or interope… SEP-2640: Skills Extension Model Context Protocol · in the page seps/2640-skills-extension …e server answering for a skill it serves and erroring otherwise. This holds for every scheme, `skill://` included. A host MUST NOT conclude that a resource is a skill merely because its URI carries a… SEP-2663: Tasks Extension Model Context Protocol · in the page seps/2663-tasks-extension …to route subsequent requests for the same task to the server instance holding its state, which is typically required for correctness. The `Mcp-Method` header is set to the JSON-RPC method name per [SE… Transports Model Context Protocol · in the page specification/2025-11-25/basic/transports …hout terminating the *SSE stream*) at any time in order to avoid holding a long-lived connection. The client **SHOULD** then "poll" the SSE stream by attempting to reconnect. * If the ser… Subscriptions Model Context Protocol · in the page specification/2026-07-28/basic/patterns/subscriptions …`subscriptions/listen` to re-establish its subscriptions — the server holds no subscription state across reconnections. See [Cancellation][cancellation] for the full rules. [cancellation]: /specific… Subscriptions Model Context Protocol · in the page specification/draft/basic/patterns/subscriptions …`subscriptions/listen` to re-establish its subscriptions — the server holds no subscription state across reconnections. See [Cancellation][cancellation] for the full rules. [cancellation]: /specific…