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SKILL verified MIT Self-run

Mcp Builder

skill-skyfox675-agents-skills-mcp-builder · by skyfox675

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 (FastMCP) or Node/TypeScript (MCP SDK).

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Install

$ agentstack add skill-skyfox675-agents-skills-mcp-builder

✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.

Security review

✓ Passed

No issues found. Passed automated security review. · v0.1.0 How review works →

  • ✓ Prompt-injection patterns
  • ✓ Secret / credential exfiltration
  • ✓ Dangerous shell & filesystem operations
  • ✓ Untrusted network calls
  • ✓ Known-malicious package signatures

What it can access

  • ✓ Network access No
  • ✓ Filesystem access No
  • ✓ Shell / process execution No
  • ✓ Environment & secrets No
  • ✓ Dynamic code execution No

From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.

View the full security report →

Verified badge

Passed review? Show it. Paste this badge into your README, it links to the public security report.

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Reliability & compatibility

✓ Security review passed
0 installs to date
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● 2mo ago

Declared compatibility

Claude CodeClaude Desktop

Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.

Preview Execution monitoring

We're building live execution health for every listing: tool-call success rate, median latency, uptime, and last-checked timestamps, measured, not self-reported. It isn't live yet, so we don't show numbers we can't stand behind.

How agent discovery & health will work →
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About

mcp-builder (pointer skill)

Pointer skill — the implementation is not stored here. The name above is the stable local contract; the body lives upstream and is fetched/installed from source so consumers always get the latest version.

  • Canonical source: https://github.com/anthropics/skills/blob/main/skills/mcp-builder/SKILL.md
  • Raw SKILL.md: https://raw.githubusercontent.com/anthropics/skills/main/skills/mcp-builder/SKILL.md
  • What it does: A structured four-phase process for building MCP servers that integrate external APIs/services, in Python (FastMCP) or Node/TypeScript (MCP SDK).
  • License: see the anthropics/skills repo LICENSE.

Installing this skill

  • Claude Code (recommended): /plugin marketplace add anthropics/skills, then /plugin install example-skills@anthropic-agent-skills — this skill ships in the example-skills plugin.
  • Claude.ai (paid plans): already available, no install.
  • Claude API: upload/enable via the Skills API.
  • Cursor / GitHub Copilot: copy skills/mcp-builder/ from anthropics/skills into your skills dir (.cursor/skills/, .github/skills/, or the shared .claude/skills/).

Do not copy the upstream body into this file; that would freeze the version and defeat the pointer.

Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

Install and usage instructions live in the source repository linked above.

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Versions

  • v0.1.0 Imported from the upstream source.

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