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troubleshoot-mcp-connection

Diagnoses and resolves MCP server connection issues for Claude Code and Claude Desktop, covering various troubleshooting scenarios.

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Security score

The troubleshoot-mcp-connection skill was audited on Jun 8, 2026 and we found 9 security issues across 4 threat categories, including 1 high-severity. Review the findings below before installing.

Categories Tested

Security Issues

medium line 142

Curl to non-GitHub URL

SourceSKILL.md
142curl -I "https://huggingface.co/mcp"
medium line 145

Curl to non-GitHub URL

SourceSKILL.md
145curl -H "Authorization: Bearer $HF_TOKEN" https://huggingface.co/api/whoami
low line 53

Access to hidden dotfiles in home directory

SourceSKILL.md
53cat ~/.claude.json | python3 -m json.tool
medium line 220

Access to hidden dotfiles in home directory

SourceSKILL.md
220- **Editing the wrong config file**: Claude Code (`~/.claude.json`) vs Claude Desktop (`%APPDATA%\Claude\claude_desktop_config.json`)
high line 168

Hex-encoded characters

SourceSKILL.md
168- Use 8.3 short paths: `C:\PROGRA~1\R\R-45~1.0\bin\x64\Rscript.exe`
low line 85

External URL reference

SourceSKILL.md
85mcp-remote https://huggingface.co/mcp
low line 108

External URL reference

SourceSKILL.md
108"args": ["https://huggingface.co/mcp"],
low line 142

External URL reference

SourceSKILL.md
142curl -I "https://huggingface.co/mcp"
low line 145

External URL reference

SourceSKILL.md
145curl -H "Authorization: Bearer $HF_TOKEN" https://huggingface.co/api/whoami
Scanned on Jun 8, 2026
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