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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>
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| .. | ||
| kbn-babel-preset | ||
| kbn-bazel-runner | ||
| kbn-capture-oas-snapshot-cli | ||
| kbn-check-mappings-update-cli | ||
| kbn-check-prod-native-modules-cli | ||
| kbn-ci-stats-performance-metrics | ||
| kbn-ci-stats-shipper-cli | ||
| kbn-cli-dev-mode | ||
| kbn-dependency-ownership | ||
| kbn-dependency-usage | ||
| kbn-docs-utils | ||
| kbn-eslint-config | ||
| kbn-eslint-plugin-disable | ||
| kbn-eslint-plugin-eslint | ||
| kbn-eslint-plugin-eui-a11y | ||
| kbn-eslint-plugin-i18n | ||
| kbn-eslint-plugin-imports | ||
| kbn-eslint-plugin-telemetry | ||
| kbn-failed-test-reporter-cli | ||
| kbn-find-used-node-modules | ||
| kbn-generate | ||
| kbn-generate-console-definitions | ||
| kbn-import-locator | ||
| kbn-json-ast | ||
| kbn-kibana-manifest-schema | ||
| kbn-lint-packages-cli | ||
| kbn-lint-ts-projects-cli | ||
| kbn-lock-manager | ||
| kbn-managed-vscode-config | ||
| kbn-managed-vscode-config-cli | ||
| kbn-manifest | ||
| kbn-mock-idp-plugin | ||
| kbn-optimizer | ||
| kbn-peggy-loader | ||
| kbn-performance-testing-dataset-extractor | ||
| kbn-picomatcher | ||
| kbn-plugin-check | ||
| kbn-plugin-generator | ||
| kbn-plugin-helpers | ||
| kbn-relocate | ||
| kbn-repo-file-maps | ||
| kbn-repo-linter | ||
| kbn-repo-source-classifier | ||
| kbn-repo-source-classifier-cli | ||
| kbn-set-map | ||
| kbn-sort-package-json | ||
| kbn-styled-components-mapping-cli | ||
| kbn-ts-projects | ||
| kbn-ts-type-check-cli | ||
| kbn-validate-next-docs-cli | ||
| kbn-web-worker-stub | ||
| kbn-whereis-pkg-cli | ||
| kbn-yarn-lock-validator | ||