| SEP-2663 |
Tasks Extension |
Final |
Extensions Track |
2026-04-27 |
| SEP-2640 |
Skills Extension |
Final |
Extensions Track |
2026-04-23 |
| SEP-2596 |
Specification Feature Lifecycle and Deprecation Policy |
Final |
Process |
2026-04-17 |
| SEP-2577 |
Deprecate Roots, Sampling, and Logging |
Final |
Standards Track |
2026-04-14 |
| SEP-2575 |
Make MCP Stateless |
Final |
Standards Track |
2025-06-18 |
| SEP-2567 |
Sessionless MCP via Explicit State Handles |
Final |
Standards Track |
2026-03-11 |
| SEP-2549 |
TTL for List Results |
Final |
Standards Track |
2026-04-09 |
| SEP-2484 |
Require Conformance Tests for Standards Track SEPs to Reach Final Status |
Final |
Process |
2026-03-27 |
| SEP-2468 |
Recommend Issuer (iss) Parameter in MCP Auth Responses |
Final |
Standards Track |
2026-03-25 |
| SEP-2322 |
Multi Round-Trip Requests |
Final |
Standards Track |
2026-02-03 |
| SEP-2260 |
Require Server requests to be associated with a Client request. |
Final |
Standards Track |
2026-02-16 |
| SEP-2243 |
HTTP Header Standardization for Streamable HTTP Transport |
Final |
Standards Track |
2026-02-04 |
| SEP-2207 |
OIDC-Flavored Refresh Token Guidance |
Final |
Standards Track |
2026-02-04 |
| SEP-2164 |
Standardize Resource Not Found Error Code |
Final |
Standards Track |
2026-01-28 |
| SEP-2149 |
MCP Group Governance and Charter Template |
Final |
Process |
2025-01-15 |
| SEP-2148 |
MCP Contributor Ladder |
Final |
Process |
2026-01-15 |
| SEP-2133 |
Extensions |
Final |
Standards Track |
2025-01-21 |
| SEP-2106 |
Tools `inputSchema` & `outputSchema` Conform to JSON Schema 2020-12 |
Final |
Standards Track |
2026-01-06 |
| SEP-2085 |
Governance Succession and Amendment Procedures |
Final |
Process |
2025-12-05 |
| SEP-1865 |
MCP Apps - Interactive User Interfaces for MCP |
Final |
Extensions Track |
2025-11-21 |
| SEP-1850 |
PR-Based SEP Workflow |
Final |
Process |
2025-11-20 |
| SEP-1730 |
SDKs Tiering System |
Final |
Standards Track |
2025-10-29 |
| SEP-1699 |
Support SSE polling via server-side disconnect |
Final |
Standards Track |
2025-10-22 |
| SEP-1686 |
Tasks |
Final |
Standards Track |
2025-10-20 |
| SEP-1613 |
Establish JSON Schema 2020-12 as Default Dialect for MCP |
Final |
Standards Track |
2025-10-06 |
| SEP-1577 |
Sampling With Tools |
Final |
Standards Track |
2025-09-30 |
| SEP-1330 |
Elicitation Enum Schema Improvements and Standards Compliance |
Final |
Standards Track |
2025-08-11 |
| SEP-1319 |
Decouple Request Payload from RPC Methods Definition |
Final |
Standards Track |
2025-08-08 |
| SEP-1303 |
Input Validation Errors as Tool Execution Errors |
Final |
Standards Track |
2025-08-05 |
| SEP-1302 |
Formalize Working Groups and Interest Groups in MCP Governance |
Final |
Standards Track |
2025-08-05 |
| SEP-1046 |
Support OAuth client credentials flow in authorization |
Final |
Standards Track |
2025-07-23 |
| SEP-1036 |
URL Mode Elicitation for secure out-of-band interactions |
Final |
Standards Track |
2025-07-22 |
| SEP-1034 |
Support default values for all primitive types in elicitation schemas |
Final |
Standards Track |
2025-07-22 |
| SEP-1024 |
MCP Client Security Requirements for Local Server Installation |
Final |
Standards Track |
2025-07-22 |
| SEP-994 |
Shared Communication Practices/Guidelines |
Final |
Process |
2025-07-17 |
| SEP-991 |
Enable URL-based Client Registration using OAuth Client ID Metadata Documents |
Final |
Standards Track |
2025-07-07 |
| SEP-990 |
Enable enterprise IdP policy controls during MCP OAuth flows |
Final |
Standards Track |
2025-06-04 |
| SEP-986 |
Specify Format for Tool Names |
Final |
Standards Track |
2025-07-16 |
| SEP-985 |
Align OAuth 2.0 Protected Resource Metadata with RFC 9728 |
Final |
Standards Track |
2025-07-16 |
| SEP-973 |
Expose additional metadata for Implementations, Resources, Tools and Prompts |
Final |
Standards Track |
2025-07-15 |
| SEP-932 |
Model Context Protocol Governance |
Final |
Process |
2025-07-08 |
| SEP-414 |
Document OpenTelemetry Trace Context Propagation Conventions |
Final |
Standards Track |
2025-04-25 |
