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chore: stable spec release 2026-01-26 and SDK v1.0.0 (#362)

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* chore: add stable spec release 2026-01-26

- Use git mv to copy specification from draft to specification/2026-01-26/apps.mdx (preserves history)
- Update status from 'Draft' to 'Stable (2026-01-26)'
- Add specification version table to README
- Update Resources section with links to both stable and draft specs

* chore: bump version to 1.0.0

- Update main package version from 0.4.2 to 1.0.0
- Update all example package versions to 1.0.0
- Regenerate package-lock.json

* prettier

* chore: align protocol version with spec release 2026-01-26

- Add 'Protocol Version: 2026-01-26' to spec header
- Update LATEST_PROTOCOL_VERSION from '2025-11-21' to '2026-01-26'
- Update spec examples to use '2026-01-26' protocol version
- Add '2025-11-21' to SUPPORTED_PROTOCOL_VERSIONS for backwards compatibility

* chore: update spec references to stable 2026-01-26

- Update typedoc.config.mjs navigation link
- Update docs/overview.md spec links (10 occurrences)
- Update plugins/mcp-apps/skills/create-mcp-app/SKILL.md spec link
- Update src/spec.types.ts @see links
- Update AGENTS.md spec path
- Regenerate src/generated/schema.ts with updated links

* chore: simplify versioning - first stable release

- Remove backwards compatibility version (2025-11-21) - this is the first stable release
- Remove redundant 'Protocol Version' header - spec version IS the protocol version

* chore: add history reference comment to stable spec
This commit is contained in:
Olivier Chafik 2026-01-26 17:31:33 +00:00 • committed by GitHub
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README.md
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@ -2,7 +2,14 @@
[![npm version](https://img.shields.io/npm/v/@modelcontextprotocol/ext-apps.svg)](https://www.npmjs.com/package/@modelcontextprotocol/ext-apps) [![API Documentation](https://img.shields.io/badge/docs-API%20Reference-blue)](https://modelcontextprotocol.github.io/ext-apps/api/)
This repo contains the SDK and [specification](https://github.com/modelcontextprotocol/ext-apps/blob/main/specification/draft/apps.mdx) for MCP Apps Extension ([SEP-1865](https://github.com/modelcontextprotocol/modelcontextprotocol/pull/1865)).
This repo contains the SDK and specification for MCP Apps Extension ([SEP-1865](https://github.com/modelcontextprotocol/modelcontextprotocol/pull/1865)).
## Specification
| Version | Status | Link |
| -------------- | ----------- | --------------------------------------------------------------------------------------------------------------------------------- |
| **2026-01-26** | Stable | [specification/2026-01-26/apps.mdx](https://github.com/modelcontextprotocol/ext-apps/blob/main/specification/2026-01-26/apps.mdx) |
| draft | Development | [specification/draft/apps.mdx](https://github.com/modelcontextprotocol/ext-apps/blob/main/specification/draft/apps.mdx) |
MCP Apps are a proposed standard inspired by [MCP-UI](https://mcpui.dev/) and [OpenAI's Apps SDK](https://developers.openai.com/apps-sdk/) to allow MCP Servers to display interactive UI elements in conversational MCP clients / chatbots.
@ -479,11 +486,17 @@ Then configure your MCP client to build and run the local server. Replace `~/cod
},
"qr": {
"command": "bash",
"args": ["-c", "uv run ~/code/ext-apps/examples/qr-server/server.py --stdio"]
"args": [
"-c",
"uv run ~/code/ext-apps/examples/qr-server/server.py --stdio"
]
},
"say": {
"command": "bash",
"args": ["-c", "uv run --index https://pypi.org/simple ~/code/ext-apps/examples/say-server/server.py --stdio"]
"args": [
"-c",
"uv run --index https://pypi.org/simple ~/code/ext-apps/examples/say-server/server.py --stdio"
]
}
}
}
@ -497,5 +510,5 @@ This configuration rebuilds each server on launch, ensuring your local changes a
- [Quickstart Guide](https://modelcontextprotocol.github.io/ext-apps/api/documents/Quickstart.html)
- [API Documentation](https://modelcontextprotocol.github.io/ext-apps/api/)
- [Draft Specification](https://github.com/modelcontextprotocol/ext-apps/blob/main/specification/draft/apps.mdx)
- [Specification (2026-01-26)](https://github.com/modelcontextprotocol/ext-apps/blob/main/specification/2026-01-26/apps.mdx) ([Draft](https://github.com/modelcontextprotocol/ext-apps/blob/main/specification/draft/apps.mdx))
- [SEP-1865 Discussion](https://github.com/modelcontextprotocol/modelcontextprotocol/pull/1865)