Skills/PyPI/bastion-mcp

bastion-mcp@1.0.2

VERIFIED

Publisher claims: "A local-first control plane for your AI agent's tools — cap spend, rate-limit, and audit every MCP tool call." Observed in sandbox: no network, touches nothing outside the project, writes no memory.

Registry PyPI (MCP server)Publisher soumilbhandari · joined 6 days agoInstalls 54Last detonated 6d ago
$claude mcp add bastion-mcp -- uvx bastion-mcp
WatchReport an issue

Is [email protected] safe to install?

KillerSkills ran it in the KillerSkills honeypot sandbox (2 scenarios) on 2026-10-28 and scored it 82/100 (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 · 1 s · 2 scenarios · 0 deviations
t+CategoryObserved action
0.0sprocessno install scripts in bundle
0.4sprocessdependency install exit 1
0.5sprocessexec /usr/bin/timeout
0.5sprocessexec .venv/bin/bastion
0.5sprocessexited 127: timeout: failed to run command '.venv/bin/bastion': No such file or directory
0.5sclaimedno tools/list reply (exit 127)
0.5sprocessscript backend runs setup only

Static findings

MEDIUM
npx invocation of non-well-known packagesrc/bastion/cli.py:157 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.
AST06
MEDIUM
Destructive command against a filesystem root or devicetests/unit/test_policy.py:207 · Destructive command against a filesystem root or deviceFix: Build commands from fixed arguments; do not interpolate untrusted strings into a shell.
AST05
MEDIUM
Destructive command against a filesystem root or devicetests/unit/test_guards.py:111 · Destructive command against a filesystem root or deviceFix: Build commands from fixed arguments; do not interpolate untrusted strings into a shell.
AST05
MEDIUM
Destructive command against a filesystem root or devicetests/unit/test_guards.py:34 · Destructive command against a filesystem root or deviceFix: Build commands from fixed arguments; do not interpolate untrusted strings into a shell.
AST05
MEDIUM
Destructive file system command detectedtests/unit/test_policy.py:207 · Destructive file system command detectedFix: Build commands from fixed arguments; do not interpolate untrusted strings into a shell.
AST05
MEDIUM
Destructive file system command detectedtests/unit/test_guards.py:111 · Destructive file system command detectedFix: Build commands from fixed arguments; do not interpolate untrusted strings into a shell.
AST05
MEDIUM
Destructive file system command detectedtests/unit/test_guards.py:34 · Destructive file system command detectedFix: Build commands from fixed arguments; do not interpolate untrusted strings into a shell.
AST05