Is fp-check safe to install?

No known risky patterns found. The scan covers prompt injection, hidden Unicode, remote code execution and credential access in every text file of the skill. It cannot judge intent, so read any flagged line in context before installing.

How was this score calculated?

Four checks of 25 points each: spec, efficiency, clarity and security. Findings take points off the check they belong to, and any critical finding caps the grade at F. The same scanner runs in your browser at proskills.dev/scan.

Is this report current?

It was made from commit 5c99c03 on 2026-10-19. If the skill has changed since, paste the new version into the scanner for a fresh score.

I wrote this skill. Can I fix the score or have the page removed?

Fix the findings and push. The reports are rebuilt from GitHub on a schedule, so the next run picks the change up. To have the page removed, open an issue on the ProSkills GitHub repo.

Scan reports · trailofbits/skills

fp-check: scan report

Systematically verifies suspected security bugs to eliminate false positives, producing a TRUE POSITIVE or FALSE POSITIVE verdict with documented evidence for each. Use when asked whether a specific finding is real,… An automated scan of this public skill from trailofbits/skills: security, token cost, spec and clarity, with every finding and its fix.

Result

Verdict

fp-check

88/100 · grade B

trailofbits/skills/plugins/fp-check/skills/fp-check at 5c99c03

Spec 25 · Efficiency 13 · Clarity 25 · Security 25 (each out of 25)

Always loaded 88 tokens · on trigger 1,558 · on demand 8,306

eff/orphan-file info · references/bug-class-verification.mdreferences/bug-class-verification.md is never mentioned in SKILL.md, so the agent won't know to read it.
eff/orphan-file info · references/deep-verification.mdreferences/deep-verification.md is never mentioned in SKILL.md, so the agent won't know to read it.
eff/orphan-file info · references/evidence-templates.mdreferences/evidence-templates.md is never mentioned in SKILL.md, so the agent won't know to read it.
eff/orphan-file info · references/false-positive-patterns.mdreferences/false-positive-patterns.md is never mentioned in SKILL.md, so the agent won't know to read it.
eff/orphan-file info · references/gate-reviews.mdreferences/gate-reviews.md is never mentioned in SKILL.md, so the agent won't know to read it.
eff/orphan-file info · references/standard-verification.mdreferences/standard-verification.md is never mentioned in SKILL.md, so the agent won't know to read it.

Where it comes from

Source

Fact	Value
Repository	trailofbits/skills
Skill folder	plugins/fp-check/skills/fp-check
Stars	7,641
License	CC-BY-SA-4.0
Commit scanned	5c99c03
Scanned	2026-10-19
Files	8

ProSkills doesn't host or redistribute this skill. Get it from its repository, and check the license before reusing it. Something wrong here? Open an issue for a rescan or removal.

For maintainers

Badge for the README

If you maintain this skill, this badge shows its score and links to this report. Fix findings and the score moves with the next scan.

[![ProSkills scan 88/100](https://proskills.dev/badge?score=88)](https://proskills.dev/reports/trailofbits-fp-check)

Alternatives

Scanned alternatives on ProSkills

Skills in the ProSkills catalog that cover similar ground. Every one passes the same scanner before it ships.

Same repository

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FAQ

Questions

Is fp-check safe to install?: No known risky patterns found. The scan covers prompt injection, hidden Unicode, remote code execution and credential access in every text file of the skill. It cannot judge intent, so read any flagged line in context before installing.
How was this score calculated?: Four checks of 25 points each: spec, efficiency, clarity and security. Findings take points off the check they belong to, and any critical finding caps the grade at F. The same scanner runs in your browser at proskills.dev/scan.
Is this report current?: It was made from commit 5c99c03 on 2026-10-19. If the skill has changed since, paste the new version into the scanner for a fresh score.
I wrote this skill. Can I fix the score or have the page removed?: Fix the findings and push. The reports are rebuilt from GitHub on a schedule, so the next run picks the change up. To have the page removed, open an issue on the ProSkills GitHub repo.

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