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Enterprise-Managed Authorization Model Context Protocol · in the page extensions/auth/enterprise-managed-authorization …the MCP client and the MCP server. The MCP Client requests a special type of token from the enterprise IdP called an Identity Assertion JWT Authorization Grant, or ID-JAG. The MCP Client then exchang… OAuth Client Credentials Model Context Protocol · in the page extensions/auth/oauth-client-credentials …participant MCP as MCP Server Client->>AS: POST /token<br/>grant_type=urn:ietf:params:<br/>oauth:grant-type:jwt-bearer<br/>assertion=<signed JWT> AS-->>Client: access_token Client->>MCP:… Extensions Overview Model Context Protocol · in the page extensions/overview …oups and Interest Groups](/community/working-interest-groups) to prototype ideas and collaborate on extension concepts before formal SEP submission. Experimental extension repositories live within th… Skills Model Context Protocol · in the page extensions/skills/overview …heme={null} { "jsonrpc": "2.0", "id": 1, "result": { "resultType": "complete", "skills": [ { "uri": "skill://code-review/SKILL.md", "frontmatter": { "name… Tasks Model Context Protocol · in the page extensions/tasks/overview …est, the server returns a `CreateTaskResult` (identified by `resultType: "task"`) containing a `taskId`, initial status, TTL, and suggested polling interval. The task is durably created befor… The MCP Registry Model Context Protocol · in the page registry/about …d map the "weather v1.2.0" server to `npm:weather-mcp`. The [Package Types guide](./package-types) lists the supported package types and registries. More package registries may be supported in the fu… How to Automate Publishing with GitHub Actions Model Context Protocol · in the page registry/github-actions …r, but the MCP Registry publishing steps are the same for all package types: ```yaml OIDC authentication (recommended) theme={null} name: Publish to MCP Registry on: push: tags: ["v*"] # Trigg… Quickstart: Publish an MCP Server to the MCP Registry Model Context Protocol · in the page registry/quickstart …This tutorial will show you how to publish an MCP server written in TypeScript to the MCP Registry using the official `mcp-publisher` CLI tool. ## Prerequisites * **Node.js** — This tutorial assum… MCP Registry Aggregators Model Context Protocol · in the page registry/registry-aggregators …accounts", "version": "1.0.0", "packages": [ { "registryType": "npm", "identifier": "@username/email-integration-mcp", "version": "1.0.0", "transport": { "type"… Publishing Remote Servers Model Context Protocol · in the page registry/remote-servers …eporting platform", "version": "2.0.0", "remotes": [ { "type": "streamable-http", "url": "https://analytics.example.com/mcp" } ] } ``` A remote server **MUST** be publicly a… Versioning Published MCP Servers Model Context Protocol · in the page registry/versioning …accounts", "version": "1.0.0", "packages": [ { "registryType": "npm", "identifier": "@username/email-integration-mcp", "version": "1.0.0", "transport": { "type"… SEP-1024: MCP Client Security Requirements for Local Server Installation Model Context Protocol · in the page seps/1024-mcp-client-security-requirements-for-local-server- …quirements for Local Server Installation | | **Status** | Final | | **Type** | Standards Track | | **Created** | 2025-07-22 | | **Author(s)** | Den Delimarsky | | **Sponsor** | None | | **PR** | [#102… SEP-1036: URL Mode Elicitation for secure out-of-band interactions Model Context Protocol · in the page seps/1036-url-mode-elicitation-for-secure-out-of-band-intera …tion for secure out-of-band interactions | | **Status** | Final | | **Type** | Standards Track | | **Created** | 2025-07-22 | | **Author(s)** | Nate Barbettini ([@nbarbettini](https://github.com/nbarb… SEP-1046: Support OAuth client credentials flow in authorization Model Context Protocol · in the page seps/1046-support-oauth-client-credentials-flow-in-authoriza …client credentials flow in authorization | | **Status** | Final | | **Type** | Standards Track | | **Created** | 2025-07-23 | | **Author(s)** | Darin McAdams ([@D-McAdams](https://github.com/D-McAdams… 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 …ps and Interest Groups in MCP Governance | | **Status** | Final | | **Type** | Standards Track | | **Created** | 2025-08-05 | | **Author(s)** | tadasant | | **Sponsor** | None | | **PR** | [#1302](htt… SEP-1303: Input Validation Errors as Tool Execution Errors Model Context Protocol · in the page seps/1303-input-validation-errors-as-tool-execution-errors …lidation Errors as Tool Execution Errors | | **Status** | Final | | **Type** | Standards Track | | **Created** | 2025-08-05 | | **Author(s)** | [@fredericbarthelet](https://github.com/fredericbarthele… SEP-1319: Decouple Request Payload from RPC Methods Definition Model Context Protocol · in the page seps/1319-decouple-request-payload-from-rpc-methods-definiti …uest Payload from RPC Methods Definition | | **Status** | Final | | **Type** | Standards Track | | **Created** | 2025-08-08 | | **Author(s)** | [@kurtisvg](https://github.com/kurtisvg) | | **Sponsor**… SEP-1330: Elicitation Enum Schema Improvements and Standards Compliance Model Context Protocol · in the page seps/1330-elicitation-enum-schema-improvements-and-standards …ma Improvements and Standards Compliance | | **Status** | Final | | **Type** | Standards Track | | **Created** | 2025-08-11 | | **Author(s)** | chughtapan | | **Sponsor** | None | | **PR** | [#1330](h… SEP-1577: Sampling With Tools Model Context Protocol · in the page seps/1577--sampling-with-tools …1577 | | **Title** | Sampling With Tools | | **Status** | Final | | **Type** | Standards Track | | **Created** | 2025-09-30 | | **Author(s)** | Olivier Chafik ([@ochafik](https://github.com/ochafik))… SEP-1613: Establish JSON Schema 2020-12 as Default Dialect for MCP Model Context Protocol · in the page seps/1613-establish-json-schema-2020-12-as-default-dialect-f …chema 2020-12 as Default Dialect for MCP | | **Status** | Final | | **Type** | Standards Track | | **Created** | 2025-10-06 | | **Author(s)** | Ola Hungerford | | **Sponsor** | None | | **PR** | [#161… SEP-1686: Tasks Model Context Protocol · in the page seps/1686-tasks …| | **SEP** | 1686 | | **Title** | Tasks | | **Status** | Final | | **Type** | Standards Track | | **Created** | 2025-10-20 | | **Author(s)** | Surbhi Bansal, Luca Chang | | **Sponsor** | None | | **P… SEP-1699: Support SSE polling via server-side disconnect Model Context Protocol · in the page seps/1699-support-sse-polling-via-server-side-disconnect …t SSE polling via server-side disconnect | | **Status** | Final | | **Type** | Standards Track | | **Created** | 2025-10-22 | | **Author(s)** | Jonathan Hefner ([@jonathanhefner](https://github.com/jo… SEP-1730: SDKs Tiering System Model Context Protocol · in the page seps/1730-sdks-tiering-system …1730 | | **Title** | SDKs Tiering System | | **Status** | Final | | **Type** | Standards Track | | **Created** | 2025-10-29 | | **Author(s)** | Inna Harper, Felix Weinberger | | **Sponsor** | None | |… SEP-1850: PR-Based SEP Workflow Model Context Protocol · in the page seps/1850-pr-based-sep-workflow …50 | | **Title** | PR-Based SEP Workflow | | **Status** | Final | | **Type** | Process | | **Created** | 2025-11-20 | | **Accepted** | 2025-11-28, 8 Yes, 0 No, 0 Absent per vote in Discord. | | **Auth… SEP-1865: MCP Apps - Interactive User Interfaces for MCP Model Context Protocol · in the page seps/1865-mcp-apps-interactive-user-interfaces-for-mcp …ps - Interactive User Interfaces for MCP | | **Status** | Final | | **Type** | Extensions Track | | **Created** | 2025-11-21 | | **Author(s)** | Ido Salomon ([@idosal](https://github.com/idosal)), Lia… SEP-2085: Governance Succession and Amendment Procedures Model Context Protocol · in the page seps/2085-governance-succession-and-amendment …ance Succession and Amendment Procedures | | **Status** | Final | | **Type** | Process | | **Created** | 2025-12-05 | | **Author(s)** | David Soria Parra ([@dsp-ant](https://github.com/dsp-ant)) | | *… SEP-2106: Tools `inputSchema` & `outputSchema` Conform to JSON Schema 2020-12 Model Context Protocol · in the page seps/2106-json-schema-2020-12 …utSchema` Conform to JSON Schema 2020-12 | | **Status** | Final | | **Type** | Standards Track | | **Created** | 2026-01-06 | | **Author(s)** | John McBride ([@jpmcb](https://github.com/jpmcb)) — orig… SEP-2127: MCP Server Cards - HTTP Server Discovery Model Context Protocol · in the page seps/2127-mcp-server-cards …MCP Server Cards - HTTP Server Discovery | | **Status** | Final | | **Type** | Extensions Track | | **Created** | 2026-01-21 | | **Author(s)** | David Soria Parra ([@dsp-ant](https://github.com/dsp-an… SEP-2133: Extensions Model Context Protocol · in the page seps/2133-extensions …*SEP** | 2133 | | **Title** | Extensions | | **Status** | Final | | **Type** | Standards Track | | **Created** | 2025-01-21 | | **Author(s)** | Peter Alexander ([@pja-ant](https://github.com/pja-ant))… SEP-2148: MCP Contributor Ladder Model Context Protocol · in the page seps/2148-contributor-ladder …8 | | **Title** | MCP Contributor Ladder | | **Status** | Final | | **Type** | Process | | **Created** | 2026-01-15 | | **Author(s)** | David Soria Parra ([@dsp-ant](https://github.com/dsp-ant)), Sara… SEP-2149: MCP Group Governance and Charter Template Model Context Protocol · in the page seps/2149-working-group-charter-template …CP Group Governance and Charter Template | | **Status** | Final | | **Type** | Process | | **Created** | 2025-01-15 | | **Author(s)** | David Soria Parra ([@dsp-ant](https://github.com/dsp-ant)), Sara… SEP-2164: Standardize Resource Not Found Error Code Model Context Protocol · in the page seps/2164-resource-not-found-error …tandardize Resource Not Found Error Code | | **Status** | Final | | **Type** | Standards Track | | **Created** | 2026-01-28 | | **Author(s)** | Peter Alexander ([@pja-ant](https://github.com/pja-ant))… SEP-2207: OIDC-Flavored Refresh Token Guidance Model Context Protocol · in the page seps/2207-oidc-refresh-token-guidance …* | OIDC-Flavored Refresh Token Guidance | | **Status** | Final | | **Type** | Standards Track | | **Created** | 2026-02-04 | | **Author(s)** | Wils Dawson ([@wdawson](https://github.com/wdawson)) | |… SEP-2243: HTTP Header Standardization for Streamable HTTP Transport Model Context Protocol · in the page seps/2243-http-standardization …ardization for Streamable HTTP Transport | | **Status** | Final | | **Type** | Standards Track | | **Created** | 2026-02-04 | | **Author(s)** | MCP Transports Working Group | | **Sponsor** | None | |… SEP-2260: Require Server requests to be associated with a Client request. Model Context Protocol · in the page seps/2260-Require-Server-requests-to-be-associated-with-Client-requests …to be associated with a Client request. | | **Status** | Final | | **Type** | Standards Track | | **Created** | 2026-02-16 | | **Author(s)** | MCP Transports Working Group | | **Sponsor** | [@CaitieM… SEP-2322: Multi Round-Trip Requests Model Context Protocol · in the page seps/2322-MRTR …| **Title** | Multi Round-Trip Requests | | **Status** | Final | | **Type** | Standards Track | | **Created** | 2026-02-03 | | **Author(s)** | Mark D. Roth ([@markdroth](https://github.com/markdroth)… SEP-2468: Recommend Issuer (iss) Parameter in MCP Auth Responses Model Context Protocol · in the page seps/2468-recommend-issuer-claim-for-auth …er (iss) Parameter in MCP Auth Responses | | **Status** | Final | | **Type** | Standards Track | | **Created** | 2026-03-25 | | **Author(s)** | Emily Lauber ([@EmLauber](https://github.com/EmLauber))… 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 …andards Track SEPs to Reach Final Status | | **Status** | Final | | **Type** | Process | | **Created** | 2026-03-27 | | **Author(s)** | Paul Carleton ([@pcarleton](https://github.com/pcarleton)) | | *… SEP-2549: TTL for List Results Model Context Protocol · in the page seps/2549-TTL-for-list-results …549 | | **Title** | TTL for List Results | | **Status** | Final | | **Type** | Standards Track | | **Created** | 2026-04-09 | | **Author(s)** | Caitie McCaffrey ([@CaitieM20](https://github.com/Caitie… SEP-2567: Sessionless MCP via Explicit State Handles Model Context Protocol · in the page seps/2567-sessionless-mcp …ssionless MCP via Explicit State Handles | | **Status** | Final | | **Type** | Standards Track | | **Created** | 2026-03-11 | | **Author(s)** | Peter Alexander ([@pja-ant](https://github.com/pja-ant))… SEP-2575: Make MCP Stateless Model Context Protocol · in the page seps/2575-stateless-mcp …2575 | | **Title** | Make MCP Stateless | | **Status** | Final | | **Type** | Standards Track | | **Created** | 2025-06-18 | | **Author(s)** | Jonathan Hefner ([@jonathanhefner](https://github.com/jo… SEP-2577: Deprecate Roots, Sampling, and Logging Model Context Protocol · in the page seps/2577-deprecate-roots-sampling-and-logging …| Deprecate Roots, Sampling, and Logging | | **Status** | Final | | **Type** | Standards Track | | **Created** | 2026-04-14 | | **Author(s)** | Kurtis Van Gent ([@kurtisvg](https://github.com/kurtisvg… SEP-2596: Specification Feature Lifecycle and Deprecation Policy Model Context Protocol · in the page seps/2596-spec-feature-lifecycle-and-deprecation …Feature Lifecycle and Deprecation Policy | | **Status** | Final | | **Type** | Process | | **Created** | 2026-04-17 | | **Author(s)** | Den Delimarsky ([@localden](https://github.com/localden)) | | **… SEP-2640: Skills Extension Model Context Protocol · in the page seps/2640-skills-extension …| 2640 | | **Title** | Skills Extension | | **Status** | Final | | **Type** | Extensions Track | | **Created** | 2026-04-23 | | **Author(s)** | Peter Alexander ([@pja-ant](https://github.com/pja-ant)… SEP-2663: Tasks Extension Model Context Protocol · in the page seps/2663-tasks-extension …* | 2663 | | **Title** | Tasks Extension | | **Status** | Final | | **Type** | Extensions Track | | **Created** | 2026-04-27 | | **Author(s)** | Luca Chang ([@LucaButBoring](https://github.com/LucaBut… SEP-414: Document OpenTelemetry Trace Context Propagation Conventions Model Context Protocol · in the page seps/414-request-meta …ry Trace Context Propagation Conventions | | **Status** | Final | | **Type** | Standards Track | | **Created** | 2025-04-25 | | **Author(s)** | Adrian Cole ([@codefromthecrypt](https://github.com/code… SEP-932: Model Context Protocol Governance Model Context Protocol · in the page seps/932-model-context-protocol-governance …le** | Model Context Protocol Governance | | **Status** | Final | | **Type** | Process | | **Created** | 2025-07-08 | | **Author(s)** | David Soria Parra | | **Sponsor** | None | | **PR** | [#931](htt… 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 …mentations, Resources, Tools and Prompts | | **Status** | Final | | **Type** | Standards Track | | **Created** | 2025-07-15 | | **Author(s)** | [@jesselumarie](https://github.com/jesselumarie) | | **S… SEP-985: Align OAuth 2.0 Protected Resource Metadata with RFC 9728 Model Context Protocol · in the page seps/985-align-oauth-20-protected-resource-metadata-with-rf …rotected Resource Metadata with RFC 9728 | | **Status** | Final | | **Type** | Standards Track | | **Created** | 2025-07-16 | | **Author(s)** | sunishsheth2009 | | **Sponsor** | None | | **PR** | [#98… SEP-986: Specify Format for Tool Names Model Context Protocol · in the page seps/986-specify-format-for-tool-names …*Title** | Specify Format for Tool Names | | **Status** | Final | | **Type** | Standards Track | | **Created** | 2025-07-16 | | **Author(s)** | kentcdodds | | **Sponsor** | None | | **PR** | [#986](ht…
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