Submit a SEP
Learn how to submit your own Specification Enhancement Proposal
Summary
- Final: 24
All SEPs
| SEP | Title | Status | Type | Created |
|---|---|---|---|---|
| SEP-2133 | Extensions | Final | Standards Track | 2025-01-21 |
| 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 Status Definitions
| Status | Definition |
|---|---|
| Draft | SEP proposal with a sponsor, undergoing informal review |
| In-Review | SEP proposal ready for formal review by Core Maintainers |
| Accepted | SEP accepted, awaiting reference implementation |
| Final | SEP finalized with reference implementation complete |
| Rejected | SEP rejected by Core Maintainers |
| Withdrawn | SEP withdrawn by the author |
| Superseded | SEP replaced by a newer SEP |
| Dormant | SEP without a sponsor, closed after 6 months |