Install
$ agentstack add skill-stijnman-grok-custom-skills-defensive-mcp-audit ✓ scanned · ✓ verified — works with Claude Code, Cursor, and more.
Security review
✓ PassedNo issues found. Passed automated security review. · v0.1.0 How review works →
- ✓ Prompt-injection patterns
- ✓ Secret / credential exfiltration
- ✓ Dangerous shell & filesystem operations
- ✓ Untrusted network calls
- ✓ Known-malicious package signatures
What it can access
- ✓ Network access No
- ✓ Filesystem access No
- ✓ Shell / process execution No
- ✓ Environment & secrets No
- ✓ Dynamic code execution No
From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.
Verified badge
Passed review? Show it. Paste this badge into your README — it links to the public security report.
Reliability & compatibility
Declared compatibility
Compatibility is declared by the source manifest. End-to-end runtime verification is coming — see below.
We're building live execution health for every listing: tool-call success rate, median latency, uptime, and last-checked timestamps — measured, not self-reported. It isn't live yet, so we don't show numbers we can't stand behind.
How agent discovery & health will work →About
Defensive Mcp Audit
When to Use
- User says audit mcp or task matches this capability
- User says mcp security or task matches this capability
- User says localhost exposure or task matches this capability
- User says defensive-mcp-audit or task matches this capability
Workflow
- Confirm audit is read-only; no port scanning beyond localhost inventory.
- Run: python3 -m defensivemcpaudit (or pip install defensive-mcp-audit[cli]).
- Parse risklevel, riskscore, and findings table.
- Explain each finding in plain language with remediation (bind localhost, disable service).
- Never suggest attack techniques, malware, or penetration tests.
- Offer HTML/JSON export path; do not upload reports externally without user consent.
Integrations
exposed-service-triagemcp-tool-scouthitl-approver
Error Handling
| Failure | Response | |---------|----------| | Tool not installed | pip install defensive-mcp-audit[cli] or clone github.com/Stijnman/defensive-mcp-audit. | | Permission denied on ss | Report limitation; suggest user-run with adequate permissions. |
Gotchas
- Defensive only — inspection, not exploitation.
Safety & Ethics (Publication-Ready)
This skill is designed for public distribution. Constraints:
- Read-only inspection; no network attacks or exploitation.
- Reports stay local unless user explicitly requests upload.
- Remediation advice is configuration-only (bind, disable, firewall).
Prohibited actions
- No unauthorized access, malware, or harmful automation
- No silent exfiltration of data, credentials, or telemetry
- No destructive system changes without hitl-approver
- No publication of user PII or environment secrets in outputs
Attribution
- Wraps the MIT-licensed defensive-mcp-audit project by Stijnman.
Example
Input: User request matching triggers above. Output: Structured result per workflow; local artifacts only unless user opts in.
Source & license
This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.
- Author: Stijnman
- Source: Stijnman/grok-custom-skills
- License: MIT
Install and usage instructions live in the source repository linked above.
Reviews
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Versions
- v0.1.0 Imported from the upstream source.