mcp-setup
Set up and configure MCP (Model Context Protocol) servers with Claude Code. Use when the user wants to connect Claude Code to external tools, databases, APIs, or services via MCP. Handles HTTP, SSE, and stdio server configurations with proper authentication.
82
77%
Does it follow best practices?
Impact
Pending
No eval scenarios have been run
Risky
Do not use without reviewing
Optimize this skill with Tessl
npx tessl skill review --optimize ./plugins/claude-code-dev/skills/mcp-setup/SKILL.mdSecurity
3 findings — 1 high severity, 2 medium severity. You should review these findings carefully before considering using this skill.
W007: Insecure credential handling detected in skill instructions
What this means
The skill handles credentials insecurely by requiring the agent to include secret values verbatim in its generated output. This exposes credentials in the agent’s context and conversation history, creating a risk of data exfiltration.
Why it was flagged
Insecure credential handling detected (high risk: 0.80). The prompt includes multiple examples that embed API keys/tokens/passwords directly in command-line args, headers, DSNs, and project config files (and suggests committing project-scoped configs), which can cause an agent to output secret values verbatim rather than keeping them in environment variables or secure stores.
W011: Third-party content exposure detected (indirect prompt injection risk)
What this means
The skill exposes the agent to untrusted, user-generated content from public third-party sources, creating a risk of indirect prompt injection. This includes browsing arbitrary URLs, reading social media posts or forum comments, and analyzing content from unknown websites.
Why it was flagged
Third-party content exposure detected (high risk: 0.90). The SKILL.md explicitly instructs adding HTTP MCP servers pointing at public services (examples: GitHub, Notion, Sentry) and shows using MCP resources (e.g., "Analyze @github:issue://123" and "/mcp__github__list_prs"), which means the agent will fetch and interpret content from external, potentially user-generated public services as part of its workflow.
W012: Unverifiable external dependency detected (runtime URL that controls agent)
What this means
The skill fetches instructions or code from an external URL at runtime, and the fetched content directly controls the agent’s prompts or executes code. This dynamic dependency allows the external source to modify the agent’s behavior without any changes to the skill itself.
Why it was flagged
Potentially malicious external URL detected (high risk: 0.90). The skill instructs Claude to connect to MCP HTTP endpoints that are contacted at runtime and can deliver MCP "prompts" which become slash commands (e.g., https://api.githubcopilot.com/mcp/), meaning external content at that URL can directly control agent instructions.
- Repository
- jpoutrin/product-forge
- Commit
0ebe7ae
- Audited
- Security analysis
Is this your skill?
If you maintain this skill, you can claim it as your own. Once claimed, you can manage eval scenarios, bundle related skills, attach documentation or rules, and ensure cross-agent compatibility.