Skills/PyPI/fastmcp-credentials

fastmcp-credentials@0.2.0

VERIFIED

Publisher claims: "Credential injection middleware for FastMCP servers — keeps secrets out of the LLM" Observed in sandbox: no network, touches nothing outside the project, writes no memory.

Registry PyPI (MCP server)Publisher asthetech · joined 3 days agoInstalls 223Last detonated 3d ago
$claude mcp add fastmcp-credentials -- uvx fastmcp-credentials
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KillerSkills ran it in the KillerSkills honeypot sandbox (1 scenario) on 2026-10-31 and scored it 81/100 (Verified). It did what it claims and nothing else we could detect: no undeclared network egress, no credential reads, no persistent instruction writes. Summary: no network, touches nothing outside the project, writes no memory.

Behavior trace

Honeypot run · 0 s · 1 scenarios · 0 deviations
t+CategoryObserved action
0.0sprocessno install scripts in bundle
0.0sprocessscript backend runs setup only
0.0sprocessscript backend runs setup only

Static findings

HIGH
Hidden zero-width characters detectedsrc/fastmcp_credentials/__init__.py:1 · Hidden zero-width characters detected — may conceal contentFix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST07
HIGH
Hidden zero-width characters detectedsrc/fastmcp_credentials/backends/base.py:1 · Hidden zero-width characters detected — may conceal contentFix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST07
HIGH
Hidden zero-width characters detectedsrc/fastmcp_credentials/middleware.py:1 · Hidden zero-width characters detected — may conceal contentFix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST07
HIGH
Access to sensitive file pathssrc/fastmcp_credentials/backends/__init__.py:2 · Access to sensitive file paths — SSH keys, AWS credentials, env files, or system filesFix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST05
HIGH
Hidden zero-width characters detectedsrc/fastmcp_credentials/types.py:1 · Hidden zero-width characters detected — may conceal contentFix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST07
HIGH
Hidden zero-width characters detectedsrc/fastmcp_credentials/helpers.py:1 · Hidden zero-width characters detected — may conceal contentFix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST07