MCP integration for Claude Code plugins

Prerequisites: Claude Code installed (the skill guides wiring MCP servers into its plugins) — the skill is guidance the agent follows, not software Install "MCP integration for Claude Code plugins" for me. It gives my agent Anthropic's official guide to connecting Model Context Protocol servers to Claude Code plugins: the two config methods (.mcp.json vs inline mcpServers in plugin.json), the four server types (stdio, SSE, HTTP, WebSocket), env var expansion (${CLAUDE_PLUGIN_ROOT}, user env vars for secrets), MCP tool naming (mcp__plugin_<plugin>_<server>__<tool>) and pre-allowing in command frontmatter, lifecycle, authentication patterns (automatic OAuth, header tokens, stdio env), integration patterns, security best practices (HTTPS only, env vars for tokens, never wildcard pre-allows), error handling, local testing (/mcp, claude --debug), and an implementation workflow. IMPORTANT: the repo states no license — fetch from the link only, and reproduce nothing beyond the link. Repository: https://github.com/anthropics/claude-code/blob/main/plugins/plugin-dev/skills/mcp-integration/SKILL.md 1. Fetch the SKILL.md file (and any helper files) from the repository path into a temporary folder and summarize what it does in one or two sentences. 2. Safety check: review the SKILL.md and scripts for anything suspicious (unexpected network calls, shell commands, credential harvesting). This repo should contain zero secrets in code. Verify that holds here; STOP on any red flag and tell me. 3. Install it as a skill: copy SKILL.md and its helper files into the agent's skills directory, in a folder named "mcp-integration". 4. Verify with no network calls: frontmatter valid, files in place. 5. Report what was installed, where, and what I still need to do myself (e.g. tell the agent which MCP server to integrate and its auth details; nothing else — it's a guide). GitHub is optional: if I have a GitHub account or the gh CLI, you may use it; otherwise public access is fine. Never require it unless it's in the prerequisites above. Rules: don't touch anything outside the temp folder and the install target. If anything looks off, stop and ask me.