Sensei MCP Server
sensei-mcp
PyPI
v0.9.0
Published by amarodeabreu — no publish provenance, so origin is unverified, but the source is public: the repository link below is self-declared yet readable, so you can inspect the code before adopting it.
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The grade answers one question — how safe is this server for you to adopt — so it is computed in two auditable stages. Nothing below is an opinion or an LLM's guess; every line is a real term the deterministic engine applied, and the same input always yields the same number.
1. Threat score — 100 − 0 = 100. What the published surface and source actually contain:
The deterministic scan raised no scored threat in the surface it inspected — the threat score stayed at 100. Capability observations and advisory notes are recorded but never lower it.
2. Client adoption risk — 100 − 7 = 93. Three small, subtract-only factors that reflect your risk in adopting it — a clean scan proves less on a powerful, unverified or barely-inspectable package, so the grade says so plainly:
| Points | Adoption-risk factor |
|---|---|
| −6 | capability blast radius (high) — client exposure if the model is manipulated |
| −1 | publisher verification (public source) — no provenance, but the source is public and inspectable |
Capability observations and info notes are shown under Findings but never scored.
Open any row's finding below for the file, line and evidence behind a deduction.
Findings 5
high Dynamic code execution in server code (integrations/pre-commit/sensei_security_review.py)MTC-SRC-001
In the server's implementation (`integrations/pre-commit/sensei_security_review.py:37`): Evaluating strings as code is the most direct RCE primitive; if any tool input reaches it, the server executes attacker-chosen code. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.
Evidence: 'message': 'Use of eval() can be dangerous' }, 'weak_crypto': { 'pattern': r'(md5|sha1)\s*\(',
Fix: Review this call path: confirm it never receives unsanitized tool input, constrain it, or remove it. Treat a server whose code reaches these sinks as high-capability regardless of what its tools claim.
Location: server integrations/pre-commit/sensei_security_review.py
high Shell/command execution in server code (integrations/pre-commit/sensei_consistency_check.py)MTC-SRC-002
In the server's implementation (`integrations/pre-commit/sensei_consistency_check.py:26`): Spawning a shell/process is command-execution capability; with unsanitized tool input it is command injection / RCE. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.
Evidence: files result = subprocess.run( ["git", "diff", "--cached", "--name-only"], capture_outp
Fix: Review this call path: confirm it never receives unsanitized tool input, constrain it, or remove it. Treat a server whose code reaches these sinks as high-capability regardless of what its tools claim.
Location: server integrations/pre-commit/sensei_consistency_check.py
high Shell/command execution in server code (integrations/pre-commit/sensei_cost_check.py)MTC-SRC-002
In the server's implementation (`integrations/pre-commit/sensei_cost_check.py:61`): Spawning a shell/process is command-execution capability; with unsanitized tool input it is command injection / RCE. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.
Evidence: files result = subprocess.run( ["git", "diff", "--cached", "--name-only"], capture_outp
Fix: Review this call path: confirm it never receives unsanitized tool input, constrain it, or remove it. Treat a server whose code reaches these sinks as high-capability regardless of what its tools claim.
Location: server integrations/pre-commit/sensei_cost_check.py
high Shell/command execution in server code (integrations/pre-commit/sensei_security_review.py)MTC-SRC-002
In the server's implementation (`integrations/pre-commit/sensei_security_review.py:54`): Spawning a shell/process is command-execution capability; with unsanitized tool input it is command injection / RCE. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.
Evidence: try: result = subprocess.run( ["git", "diff", "--cached"], capture_output=True,
Fix: Review this call path: confirm it never receives unsanitized tool input, constrain it, or remove it. Treat a server whose code reaches these sinks as high-capability regardless of what its tools claim.
Location: server integrations/pre-commit/sensei_security_review.py
high Shell/command execution in server code (src/sensei_mcp/server.py)MTC-SRC-002
In the server's implementation (`src/sensei_mcp/server.py:457`): Spawning a shell/process is command-execution capability; with unsanitized tool input it is command injection / RCE. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.
Evidence: staged result = subprocess.run( ["git", "diff", "--name-only", "--staged"], cwd=project_
Fix: Review this call path: confirm it never receives unsanitized tool input, constrain it, or remove it. Treat a server whose code reaches these sinks as high-capability regardless of what its tools claim.
Location: server src/sensei_mcp/server.py
Tools 25
Each tool and what it can reach — statically extracted from the published source.
analyze_changesno sensitive capabilitycheck_consistencyno sensitive capabilitycompare_sessionsno sensitive capabilityconsult_skillno sensitive capabilityexport_consultationno sensitive capabilityexport_session_summaryno sensitive capabilityget_engineering_contextno sensitive capabilityget_engineering_guidanceno sensitive capabilityget_mcp_workflow_templateno sensitive capabilityget_persona_contentno sensitive capability
Show 15 more tools ↓
get_session_contextno sensitive capabilityget_session_insightsno sensitive capabilityget_session_summaryno sensitive capabilitylist_available_skillsno sensitive capabilitylist_demosno sensitive capabilitylist_mcp_workflow_templatesno sensitive capabilitylist_sessionsno sensitive capabilitymerge_sessionsno sensitive capabilityquery_specific_standardno sensitive capabilityrecord_consultationno sensitive capabilityrecord_decisionno sensitive capabilityrun_demono sensitive capabilitysuggest_mcps_for_queryno sensitive capabilitysuggest_personas_for_queryno sensitive capabilityvalidate_against_standardsno sensitive capability
What this scan could not see
- Tools were statically extracted from the published source (25 recovered), not enumerated from a running server. Tool-poisoning, Unicode-smuggling, capability and toxic-flow analysis ran on this inferred surface, but a mis-parsed registration could be missed or mis-attributed, so tool-derived findings are capped below “confirmed”. To grade the real runtime surface, scan the running server: --command "npx -y <package>".
Versions 1
Scan history per published version. The engine is deterministic — the same version always yields the same score, so a changed score means the package itself changed.
| Version | Score | Findings | Engine | Scanned |
|---|---|---|---|---|
v0.9.0 latest |
A 93/100 | 5 | 1.13.0 | 2026-08-25 |
Embed this score
Show this server's live Trust Score in your README, docs or website. The badge is served straight from the registry and updates automatically after every rescan — no API key needed. It links back to this page, so anyone who sees the grade can also read the findings behind it instead of taking a number on faith.
Verify this score yourself
The score above is reproducible: the same package version always yields the same result. Run it locally or over the free API — no account, no LLM, fully deterministic.
npx mcptrustchecker scan sensei-mcp --online --registry pypiMore in Developer Tools
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