Reusable development guide for MCP servers that expose external APIs through well-defined tools.
Upstream skill name: mcp-builder. Covers API research, implementation, validation and evaluation. It documents Streamable HTTP for remote servers and stdio for local servers. Service credentials and permissions depend on the integration and are not granted by installing the skill.
Official sources inspected on 23 October 2026: https://github.com/anthropics/skills/blob/main/skills/mcp-builder/SKILL.md https://github.com/anthropics/skills/blob/main/skills/mcp-builder/LICENSE.txt https://github.com/anthropics/skills
Compatibility is documented by the maintainer; no runtime validation was performed. Permission requirements describe the documented workflow, not an exhaustive permission manifest.
Getting started
In Claude Code, register the official marketplace with /plugin marketplace add anthropics/skills, then install /plugin install example-skills@anthropic-agent-skills. Invoke the skill by name. The repository describes these as demonstration/educational examples; review them and validate in your own environment.