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(Updated auto-generated PR description from @tadasant / Claude on Feb 22, 2026) ## Motivation and Context Fixes #637 Server lifecycle management (deprecation and yanking) is a standard requirement for package registries. Use cases like rebranding, security vulnerabilities, and end-of-life servers demand the ability to mark servers as deprecated or deleted, with optional messaging to guide consumers toward alternatives. ## Changes ### New API endpoints - **`PATCH /v0/servers/{serverName}/versions/{version}/status`** — Update the lifecycle status of a single server version - **`PATCH /v0/servers/{serverName}/status`** — Update the lifecycle status of all versions of a server in a single transaction Both endpoints accept: ```json { "status": "active|deprecated|deleted", "statusMessage": "Optional message (max 500 chars) explaining the change" } ``` ### New CLI command - **`mcp-publisher status <serverName> [version]`** — Update server lifecycle status from the command line - `--status` (required): `active`, `deprecated`, or `deleted` - `--message`: Optional status message - `--all-versions`: Apply to all versions of the server (replaces the `<version>` argument) ### API response changes `RegistryExtensions` now includes two new fields: - `statusChangedAt` — Timestamp of the last status change - `statusMessage` — Optional free-form message (e.g., deprecation reason, migration guidance) ### List endpoint changes - New `include_deleted` query parameter on `GET /v0/servers` — defaults to `false`, hiding deleted servers from listings - When `updated_since` is provided, `include_deleted` is automatically set to `true` for incremental sync ### Database - Migration `013_add_status_fields.sql`: Adds `status_changed_at` (NOT NULL, initialized from `published_at`) and `status_message` columns to the `servers` table ### Design decisions (from review discussion) - **Dedicated status endpoints** rather than overloading the existing edit endpoint - **Bidirectional status transitions** — all transitions between `active`, `deprecated`, and `deleted` are allowed - **`statusMessage` as free-form text** — no structured `nextName` or `alternativeUrl` fields (per maintainer feedback, to avoid complexity around chaining, trust transfer, etc.) - **Publish permission** grants status change access (not limited to admin/edit) - **Status message auto-cleared** when transitioning back to `active` Good, now I have the full picture. Here's the addendum: ### Consumer-facing API changes The new status fields live inside `_meta["io.modelcontextprotocol.registry/official"]` on every `ServerResponse`. This is the existing `RegistryExtensions` object — two new fields are added alongside the existing ones: **Before:** ```json { "server": { "name": "com.example/my-server", "...": "..." }, "_meta": { "io.modelcontextprotocol.registry/official": { "status": "active", "publishedAt": "2025-06-01T00:00:00Z", "updatedAt": "2025-06-15T00:00:00Z", "isLatest": true } } } ``` **After:** ```json { "server": { "name": "com.example/my-server", "...": "..." }, "_meta": { "io.modelcontextprotocol.registry/official": { "status": "deprecated", "statusChangedAt": "2026-02-01T12:00:00Z", "statusMessage": "Deprecated in favor of com.example/my-server-v2", "publishedAt": "2025-06-01T00:00:00Z", "updatedAt": "2026-02-01T12:00:00Z", "isLatest": true } } } ``` | New field | Type | Present when | |-----------|------|-------------| | `statusChangedAt` | `string` (RFC3339) | Always — initialized to `publishedAt` for existing records | | `statusMessage` | `string` (max 500 chars) | Only when set — `null`/omitted for active servers (auto-cleared on transition to active) | These fields appear on **every endpoint that returns a `ServerResponse`**: `GET /v0/servers`, `GET /v0/servers/{name}`, `GET /v0/servers/{name}/versions/{version}`, and the new PATCH status endpoints. ### List endpoint filtering `GET /v0/servers` gains an `include_deleted` query parameter: | Scenario | Behavior | |----------|----------| | No `include_deleted` param | Deleted servers hidden (default `false`) | | `include_deleted=true` | Deleted servers included in results | | `updated_since` provided | `include_deleted` forced to `true` for incremental sync | ## How Has This Been Tested? - Unit tests for status handler (`status_test.go`) covering status transitions, permission checks, validation errors, and the all-versions endpoint - Unit tests for the CLI command (`status_test.go`) - Integration with existing server/edit handler tests - Database layer tests for the new status update and query methods - Tested locally with `make dev-compose` ## Types of changes - [x] New feature (non-breaking change which adds functionality) ## Checklist - [x] I have read the [MCP Documentation](https://modelcontextprotocol.io) - [x] My code follows the repository's style guidelines - [x] New and existing tests pass locally - [x] I have added appropriate error handling - [x] I have added or updated documentation as needed ## Open items from review - [ ] `include_deleted` silent override: When `updated_since` is provided and `include_deleted=false` is explicitly passed, should return a 400 error rather than silently overriding ([thread](https://github.com/modelcontextprotocol/registry/pull/893#discussion_r2100879360)) — agreed upon but may not yet be implemented |
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MCP Registry Documentation
The MCP registry provides MCP clients with a list of MCP servers, like an app store for MCP servers.
I want to...
- 📤 Publish my MCP server → Publishing Guide
- 📥 Consume registry data → API Usage Guide
- 🔌 Understand the registry's purpose → Ecosystem vision
- 📋 Look up specific information → server.json spec | API spec | CLI reference
- 🤝 Add reference to my community project → Community Projects
Documentation Index
- 📄 Public-facing docs - Published on modelcontextprotocol.io
- 🏗️ Design documentation - Architecture, vision, and roadmap
- 📖 Reference - Technical specifications
- 🔧 Contributing guides - How to contribute
- 🔒 Administration - Admin operations