Skills/PyPI/acb-tax-mcp

acb-tax-mcp@0.5.0

VERIFIED

Publisher claims: "MCP server for Canadian adjusted cost base (ACB) and capital gains: average-cost tracking, per-disposition gains, and superficial-loss detection for LLM agents." Observed in sandbox: no network, touches nothing outside the project, writes no memory.

Registry PyPI (MCP server)Publisher haiiibin · joined 0 days agoInstalls 225Last detonated 3 h ago
$claude mcp add acb-tax-mcp -- uvx acb-tax-mcp
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Is [email protected] safe to install?

KillerSkills ran it in the KillerSkills honeypot sandbox (2 scenarios) on 2026-10-26 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 · 0 s · 2 scenarios · 0 deviations
t+CategoryObserved action
0.0sprocessno install scripts in bundle
0.1sprocessdependency install exit 1
0.1sprocessexec /usr/bin/timeout
0.1sprocessexec .venv/bin/acb-tax-mcp
0.1sprocessexited 127: timeout: failed to run command '.venv/bin/acb-tax-mcp': No such file or directory
0.1sclaimedno tools/list reply (exit 127)
0.1sprocessscript backend runs setup only

Static findings

MEDIUM
MCP server using network transport (SSE/HTTP)PKG-INFO:40 · MCP server using network transport (SSE/HTTP) — data sent over networkFix: Namespace tool names and keep tool descriptions literal; no instructions to the agent inside them.
AST04
MEDIUM
MCP server using network transport (SSE/HTTP)README.md:11 · MCP server using network transport (SSE/HTTP) — data sent over networkFix: Namespace tool names and keep tool descriptions literal; no instructions to the agent inside them.
AST04
HIGH
Hidden zero-width characters detectedserver.json:1 · Hidden zero-width characters detected — may conceal contentFix: Keep SKILL.md to visible, descriptive text. Remove comments and encoded text that address the agent.
AST07