Skills/PyPI/iflow-mcp-buscadordecnpj-buscador-de-cnpj

iflow-mcp-buscadordecnpj-buscador-de-cnpj@0.2.7

CAUTION

Publisher claims: "A MCP server for CNPJ search using buscadordecnpj.com API" Observed in sandbox: calls astral.sh only, touches nothing outside the project, writes no memory.

Registry PyPI (MCP server)Publisher victortavernari · joined 5 days agoInstalls 12Last detonated 21 h ago
What would fix thisWatchDispute verdict

Is [email protected] safe to install?

KillerSkills ran it in the KillerSkills honeypot sandbox (2 scenarios) on 2026-11-02 and scored it 63/100 (Caution). It is not known to be malicious, but it has behaviour or code a security policy should decide on before install. Notable findings: Pipe-to-shell pattern; Privileged sudo command; Pipe-to-shell pattern. Summary: calls astral.sh only, touches nothing outside the project, writes no memory.

Behavior trace

Honeypot run · 1 s · 2 scenarios
t+CategoryObserved action
0.3snetworkCONNECT https://astral.sh · undeclared
0.3sprocessexec /usr/bin/curl
0.3sprocessexited 127: ./install.sh: line 44: pip: command not found
0.8sprocessdependency install exit 1
0.9sprocessexec /usr/bin/timeout
0.9sprocessexec .venv/bin/buscador-de-cnpj
0.9sprocessexited 127: timeout: failed to run command '.venv/bin/buscador-de-cnpj': No such file or directory
0.9sclaimedno tools/list reply (exit 127)
0.9sprocessscript backend runs setup only

Static findings

CRITICAL
Pipe-to-shell patterninstall.sh:33 · Pipe-to-shell pattern — downloads and immediately executes remote codeFix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST06
HIGH
Privileged sudo commandinstall.sh:50 · Privileged sudo command — agent may execute with elevated privilegesFix: Build commands from fixed arguments; do not interpolate untrusted strings into a shell.
AST05
CRITICAL
Pipe-to-shell patterninstall.sh:4 · Pipe-to-shell pattern — downloads and immediately executes remote codeFix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST06
MEDIUM
Remote installer piped to shellinstall.sh:4 · Remote installer piped to shellFix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST07
HIGH
Direct script execution from GitHub raw URLinstall.sh:4 · Direct script execution from GitHub raw URL — unverified code sourceFix: Pin versions and sources; vendor anything fetched at install time.
AST06
MEDIUM
File permission modification commandinstall.sh:94 · File permission modification command — agent changes file ownership/permissionsFix: Request the narrowest permission that works; replace wildcards with the exact paths or hosts.
AST05
MEDIUM
Remote installer piped to shellinstall.sh:33 · Remote installer piped to shellFix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST07

What would make this Verified

17 points to 80 · weights: behavior 45%, static 25%, prompt 15%, publisher 15%
  1. Pipe-to-shell pattern≈ +9 on the totalBuild commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
  2. Unclaimed publisher≈ +8 on the totalClaim victortavernari: a verified publisher gets +50 on publisher trust. It is free and usually instant with GitHub sign-in.
  3. Does not do what the description says≈ +5 on the totalIn the sandbox the skill never performed the task it claims (no call to the service it is for). Make sure the happy path runs without extra setup, or describe the real behavior.
  4. Privileged sudo command≈ +4 on the totalBuild commands from fixed arguments; do not interpolate untrusted strings into a shell.
  5. Direct script execution from GitHub raw URL≈ +4 on the totalPin versions and sources; vendor anything fetched at install time.
  6. New publisher≈ +3 on the totalTime clears this on its own after 14 and 30 days. Claiming the handle (+50) is the fastest way past it.
Publish a new version to PyPI, then queue it here. Not your skill? Claim the handle to get verdict changes by email.Claim victortavernari