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SkillSpector · fastmcp

independent scanner by NVIDIA · skill by aniruddhaadak80 · how it works ↗

CAUTIONmax severity: MEDIUMrisk score: 43

Without declared permissions the skill's intent is opaque and cannot be validated.; pip install without ==version installs the latest release, which could include malicious changes.; Skill establishes unauthorized persistence across sessions via cron jobs, startup scripts, or state files. Session persistence allows an attacker to maintain…; +1 more

scanned 2026-08-23

Findings (7)

MEDIUMMCP Least Privilegeconfidence: 0.7

Without declared permissions the skill's intent is opaque and cannot be validated.

SKILL.md

LOWMCP Rug Pullconfidence: 0.6

pip install without ==version installs the latest release, which could include malicious changes.

SKILL.md

LOWMCP Rug Pullconfidence: 0.6

pip install without ==version installs the latest release, which could include malicious changes.

SKILL.md

LOWMCP Rug Pullconfidence: 0.6

pip install without ==version installs the latest release, which could include malicious changes.

references/fastmcp-cli.md

LOWMCP Rug Pullconfidence: 0.6

pip install without ==version installs the latest release, which could include malicious changes.

references/fastmcp-cli.md

MEDIUMRogue Agentconfidence: 0.6

Skill establishes unauthorized persistence across sessions via cron jobs, startup scripts, or state files. Session persistence allows an attacker to maintain access beyond the current interaction.

SKILL.md

HIGHRogue Agentconfidence: 0.85

Skill modifies its own code, configuration, or behavior at runtime. Self-modification enables an agent to escalate privileges, disable safety constraints, or install persistent backdoors.

scripts/scaffold_fastmcp.py

What the verdicts mean

SkillSpector reports on SkillMD's shared five-tier scale. See how SkillSpector works ↗.

PASS

Overall severity LOW (risk score in the safe range)

CAUTIONthis skill

Overall severity MEDIUM

WARNING

Overall severity HIGH

FAIL

Overall severity CRITICAL

INCONCLUSIVE

Scan could not complete