The Best MCP Skills for Claude Code (Tested and Scored)
The Best MCP Skills for Claude Code (Tested and Scored)
The Model Context Protocol (MCP) is how agents reach the world — databases, APIs, browsers, files. And some of the best MCP tooling now comes as skills: packages that teach your agent how to build, configure, and use MCP servers correctly.
We evaluated every MCP-related skill in our directory on the standard six-dimension rubric. Here's what's worth installing.
1. mcp-builder (official) — the foundation
The Anthropic official skill for building MCP servers. Clean task routing, verification steps, and it knows the common failure modes of MCP server development (stdio buffering, tool schema mistakes, connection lifecycle).
What people get wrong: trusting it to pick the right transport. It defaults to stdio; if you're deploying remotely, say so explicitly or you'll debug phantom connection issues for an hour.
2. gh-cli skill — GitHub via MCP
Teaches the agent to use the gh CLI for GitHub operations — repos, PRs, issues, releases. Not technically an MCP server itself, but it occupies the same niche: structured access to GitHub without you writing API calls. Scored high on workflow design; every operation ends with a verification step.
What people get wrong: not authenticating first. The skill assumes gh auth login is done. Run it before your first session, not after your first failure.
3. api-and-interface-design — MCP-adjacent quality
Not an MCP skill per se, but the discipline that separates good MCP servers from bad ones: designing tool schemas that agents can actually use. If you're building MCP servers, this skill's guidance on naming, parameter design, and error responses will save you from the most common agent-confusion bugs.
4. atlassian-mcp — enterprise integration
Connects your agent to Jira and Confluence via MCP. The standout: it models workflows, not just data — the skill knows that a ticket moves through states and that agents should check transitions before acting.
What people get wrong: credentials. Use environment variables; the skill's docs cover this, but people skim it.
Why MCP skills are different
Building an MCP server is one of the few tasks where the agent is building something for itself. The tool it creates becomes part of its own capability surface. That feedback loop makes verification critical — a broken MCP server doesn't just fail, it poisons every future session that loads it.
That's why our rubric weights workflow design (25 points) so heavily for MCP skills: the build-test-verify loop is the product.
Every skill here was scored on our public six-dimension rubric — trigger quality, structure, workflow, content, engineering, and security. Browse all MCP skills or the developer tools collection.