umbraco/Umbraco-MCP-Base

build-tools

Build MCP tool collections from discovered API groups. Reads .discover.json and generates tools and collection registrations. Use after running 'npx @umbraco-cms/create-umbraco-mcp-server discover'.

build-tools-tests

Build integration tests for MCP tool collections. Reads .discover.json and creates test setup, builders, helpers, and test files per collection. Use after running '/build-tools'.

mcp-patterns

Load MCP development patterns and best practices for building tools with the @umbraco-cms/mcp-server-sdk. Use when starting tool development or needing pattern reference.

add-eval

Add or update an LLM eval test for a specific tool or collection. Creates a new eval scenario or updates an existing one to cover new tools. Use when adding eval coverage for new or modified tools.

add-tool

Add a new tool to an existing MCP collection. Creates the tool file, updates the collection index, optionally adds integration tests and eval tests. Use when adding new API endpoints to collections already created by '/build-tools'.

build-evals

Build LLM eval tests for MCP tool collections. Reads .discover.json and creates eval setup and scenario test files per collection. Use after running '/build-tools'.

discuss-mcp

Advisory skill for reflecting on and improving an MCP server — trace analysis, chained tool design, and behavioral coverage review.

mcp-testing

Load MCP eval testing patterns using @umbraco-cms/mcp-server-sdk/evals. Use when writing LLM-based acceptance tests for MCP tools.

mcp-cli

Guide for configuring and running Umbraco MCP servers via the CLI. Use when the user wants to set up an MCP server for Claude Code, configure auth, filtering, dry-run, readonly mode, or use introspection commands to understand available tools.

add-test

Add an integration test for a specific tool in an existing collection. Creates a test file following the collection's established patterns. Use when adding tests for new or modified tools, or re-creating deleted tests.

count-mcp-tools

Count MCP tools in an SDK-based project and analyze implementation gaps against .discover.json. Use when the user asks about tool counts, progress, or collection coverage.

release

Create a release branch from dev with version bumps and changelog. Use when the user wants to prepare a new release, bump a version, or cut a release. Triggers on phrases like "release 17.1.2", "cut a release", "prepare a release", "version bump", or just…

run-e2e

Run Playwright E2E tests for the hosted MCP Cloudflare Worker. Use this skill when the user says /run-e2e, "run e2e tests", "run the e2e", "run playwright tests", or wants to test the hosted worker end-to-end. Handles starting Umbraco, building, and running…

update-ignored-endpoints

Update the IGNORED_ENDPOINTS.md documentation file with current endpoint coverage analysis. Discovers all generated API client files and compares against implemented MCP tools. Use when documentation needs to be refreshed or when verifying ignored endpoint…