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## Summary
This PR introduces the **1chat MCP server** in Kibana, exposed at the
experimental `/api/mcp` endpoint behind a feature flag. It allows
external MCP clients (e.g. Claude Desktop, Cursor, OpenAI Agents) to
connect and use tools registered in the 1chat registry.
### MCP server
- Implements a **stateless** MCP server following the MCP spec
(Streamable HTTP transport).
- Supports **API key** and **basic auth** for authentication.
- Works with clients via:
- **Streamable HTTP** with auth header
- **STDIO** transport using `mcp-remote` proxy
- Endpoint under a feature flag `xpack.onechat.mcpServer.enabled`
- 1chat tools are scoped to the caller’s permissions, as determined by
the auth header.
### Other changes
- Implemented `KibanaMcpHttpTransport` (mcp http transport layer adapted
to Kibana Core primitives) + tests
### Local testing
Set ui setting: `onechat:mcpServer:enabled` to true
E.g. add this to Claude Desktop:
```
{
"mcpServers": {
"elastic": {
"command": "npx",
"args": [
"mcp-remote",
"https://{kbn}/api/mcp",
"--header",
"Authorization: ApiKey ${API_KEY}"
],
"env": {
"API_KEY": "..."
}
},
}
}
```
### Enable feature via API
```
POST kbn:/internal/kibana/settings/onechat:mcpServer:enabled
{"value": true}
```
---------
Co-authored-by: kibanamachine <42973632+kibanamachine@users.noreply.github.com>
Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>
11 lines
396 B
TypeScript
11 lines
396 B
TypeScript
/*
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* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
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* or more contributor license agreements. Licensed under the Elastic License
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* 2.0; you may not use this file except in compliance with the Elastic License
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* 2.0.
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*/
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/**
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* UI Setting ID for enabling / disabling the MCP server
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*/
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export const ONECHAT_MCP_SERVER_UI_SETTING_ID = 'onechat:mcpServer:enabled';
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