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Jedr Blaszyk 8c6fc9e21c
[1chat] MCP Server that can expose 1chat tools (#222231) 
## 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>
2025-06-11 15:16:08 +02:00
..
jest.config.js Adds AGPL 3.0 license (#192025) 2024-09-06 19:02:41 -06:00
kibana.jsonc
package.json Adds AGPL 3.0 license (#192025) 2024-09-06 19:02:41 -06:00
README.md
root_refs_config.ts Remove references to old type check script (#202825) 2024-12-18 11:38:30 -08:00
run_type_check_cli.ts [1chat] MCP Server that can expose 1chat tools (#222231) 2025-06-11 15:16:08 +02:00
tsconfig.json

README.md

@kbn/ts-type-check-cli

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