MMCP Proxy ServerAn MCP proxy server that aggregates and serves multiple MCP resource servers through a single interface

mcp-so:mcp-proxy-server_adamwattis

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85/100

First Seen

Feb 18, 2026

Last Scanned

Feb 20, 2026

Findings

Score

85/100

HIGH 1

Findings (1)

HIGH

Fetch URL and use as instructions INDIRECT_001

indirect-injection L28

Detects fetching external URLs and using the content as agent instructions or rules

prompt handling from different MCP server

FIX

Sanitize or validate all external inputs (file contents, API responses, user messages) before including them in prompts or tool calls. Implement input/output boundaries between trusted and untrusted data.

FP?

Likely FP if the matched text is the skill's own instruction set describing how to handle user input, not an actual injection payload.