mcp-debug

Enables real-time testing and debugging of MCP servers, facilitating exploration and diagnosis of tool responses and capabilities.

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49/100

Security score

The mcp-debug skill was audited on Mar 3, 2026 and we found 25 security issues across 3 threat categories, including 1 high-severity. Review the findings below before installing.

Categories Tested

Security Issues

medium line 145

Curl to non-GitHub URL

SourceSKILL.md

145	curl -s http://localhost:9900/health

high line 167

Curl to non-GitHub URL

SourceSKILL.md

167	- Check if server is running: `curl http://localhost:9900/health`

medium line 202

Curl to non-GitHub URL

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202	curl -s http://localhost:9900/health

medium line 51

Access to hidden dotfiles in home directory

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51	1. Claude Code config: `~/.config/claude/claude_desktop_config.json`

low line 52

External URL reference

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52	2. Direct URL: `http://localhost:9900` with optional auth

low line 75

External URL reference

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75	mcp tools http://localhost:9900 --headers "Authorization=Bearer $AUTH_TOKEN"

low line 81

External URL reference

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81	mcp tools --format pretty http://localhost:9900

low line 90

External URL reference

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90	mcp call describe --params '{"action":"describe"}' http://localhost:9900 \

low line 95

External URL reference

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95	http://localhost:9900 --headers "Authorization=Bearer $AUTH_TOKEN"

low line 98

External URL reference

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98	mcp call tool_name --params '{}' --format pretty http://localhost:9900

low line 106

External URL reference

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106	mcp shell http://localhost:9900 --headers "Authorization=Bearer $AUTH_TOKEN"

low line 118

External URL reference

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118	mcp web http://localhost:9900 --headers "Authorization=Bearer $AUTH_TOKEN"

low line 119

External URL reference

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119	# Opens http://localhost:41999

low line 133

External URL reference

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133	mcp call server-tool --params '{"action":"describe"}' http://localhost:9900 \

low line 138

External URL reference

SourceSKILL.md

138	http://localhost:9900 --headers "Authorization=Bearer $AUTH_TOKEN"

low line 145

External URL reference

SourceSKILL.md

145	curl -s http://localhost:9900/health

low line 148

External URL reference

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148	mcp tools http://localhost:9900 --headers "Authorization=Bearer $AUTH_TOKEN"

low line 152

External URL reference

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152	http://localhost:9900 --headers "Authorization=Bearer $AUTH_TOKEN"

low line 156

External URL reference

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156	--format pretty http://localhost:9900 --headers "Authorization=Bearer $AUTH_TOKEN"

low line 167

External URL reference

SourceSKILL.md

167	- Check if server is running: `curl http://localhost:9900/health`

low line 202

External URL reference

SourceSKILL.md

202	curl -s http://localhost:9900/health

low line 208

External URL reference

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208	mcp tools http://localhost:9900 --headers "Authorization=Bearer $AUTH_TOKEN"

low line 215

External URL reference

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215	http://localhost:9900 --headers "Authorization=Bearer $AUTH_TOKEN"

low line 222

External URL reference

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222	--format pretty http://localhost:9900 --headers "Authorization=Bearer $AUTH_TOKEN"

low line 253

External URL reference

SourceSKILL.md

253	mcp call server-tool --params '...' --format json http://localhost:9900 \

Scanned on Mar 3, 2026

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Categorydevelopment

UpdatedMay 21, 2026

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