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Trust Report v1

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

Overall
83
Trust
74
Utility
88
Momentum
95

Install caution

Needs manual review

Risk: Medium

Source: Anthropic Skills

Path: skills/mcp-builder/SKILL.md

Review flags: network access or external URLs, shell command snippets. These are review signals, not definitive security judgments; inspect before installing.

Required permissions

  • Environment variables / secrets
  • Shell commands
  • Network/API usage

Permissions are inferred from SKILL.md text only. They are review prompts, not guarantees about runtime behavior.

Risk flags explained

network_accessmedium

Mentions external URLs, network APIs, downloads, or HTTP client usage.

shell_commandmedium

Contains shell command snippets. Review commands before copy/paste or agent execution.

Score explanation

Trust

  • Trust starts at 90 before review-signal penalties and metadata bonuses.
  • Risk-signal penalty: -18 from 2 detected flag(s).
  • Metadata bonus: +2 from author/version/description fields.

Utility

  • Utility starts at 55 and rewards clear descriptions, runnable examples, and explicit setup needs.
  • Description present: yes.
  • Command examples detected: 3.
  • Environment variables detected: 1.

Momentum

  • Momentum starts at 45 and uses public repo activity signals.
  • Recent commit activity: latest repo update was 2 day(s) ago.
  • Recent commit volume: 7 commit(s) in the lookback window (+20).
  • Source has strong public adoption: 128456 stars.
  • Fork activity suggests reuse: 15111 forks.

Overall

  • Overall score weights trust 45%, utility 35%, and momentum 20%.

Detected signals

Env vars

  • API

Commands

  • https://raw.githubusercontent.com/modelcontextprotocol/python-sdk/main/README.md
  • npm run build
  • python -m py_compile your_server.py

URLs

  • https://modelcontextprotocol.io/sitemap.xml`
  • https://modelcontextprotocol.io/sitemap.xml`,
  • https://modelcontextprotocol.io/specification/draft.md`
  • https://raw.githubusercontent.com/modelcontextprotocol/python-sdk/main/README.md`
  • https://raw.githubusercontent.com/modelcontextprotocol/typescript-sdk/main/README.md`

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Methodology note

SkillRadar scans SKILL.md as hostile text only. It does not execute commands, install packages, or load third-party skills.