mcp-builder
Guide for creating high-quality MCP (Model Context Protocol) servers that enable LLMs to interact with external services through well-designed tools. Use when building MCP servers to integrate external APIs or services, whether in Python (F
- License
- See LICENSE.txt in skill folder
- SKILL.md tokens
- 2,264
- Bundled files
- 9
- Bundled tokens (estimated)
- 28,166
Cost per 1,000 loads
Estimated input cost per 1,000 loads of SKILL.md only (characters ÷ 4). Bundled files, output tokens and execution are excluded.
| Model | Input / 1M tokens | 1,000 loads |
|---|---|---|
| Claude Opus 5 | $5.00 | $11.32 |
| Claude Sonnet 5 | $2.00 | $4.53 |
| Claude Haiku 4.5 | $1.00 | $2.26 |
Safety flags
Detected automatically from files; not a security audit.
- Runs scripts
- Yes
- Network access
- Yes
- Shell commands
- Yes
Works with
Open SKILL.md format
- Claude Code
- Codex
- Cursor
- GitHub Copilot
- Gemini CLI
- OpenCode
- Goose
Install
npx skills add anthropics/skills --skill mcp-builderLast verified:
mcp-builder FAQ
What does the mcp-builder skill do?
Guide for creating high-quality MCP (Model Context Protocol) servers that enable LLMs to interact with external services through well-designed tools. Use when building MCP servers to integrate external APIs or services, whether in Python (F Source: https://github.com/anthropics/skills/blob/main/skills/mcp-builder/SKILL.md
What does the mcp-builder skill cost to load?
SKILL.md is about 2,264 tokens. Estimated input cost per 1,000 loads: Claude Opus 5 $11.32; Claude Sonnet 5 $4.53; Claude Haiku 4.5 $2.26. Estimated input cost per 1,000 loads of SKILL.md only (characters ÷ 4). Bundled files, output tokens and execution are excluded. Prices: https://docs.anthropic.com/en/docs/about-claude/pricing
How do I install the mcp-builder skill?
Skills CLI: npx skills add anthropics/skills --skill mcp-builder. Claude Code: /plugin marketplace add anthropics/skills, then install the plugin from that marketplace. Download the mcp-builder skill folder as a ZIP and upload it in Claude.ai skills settings.
Is the mcp-builder skill safe?
Automatically detected flags: runs scripts, network access, shell commands. Flags are detected automatically from the skill's files and are not a security audit; review the SKILL.md before installing.