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Prompt Injection Skill · teycir | DecimalAI

Registry skillby teycir

Prompt Injection Skill

teycir/prompt-injection-skill

Source teycir/skillsguard ↗License MIT

Summarizes external documentation files.

SkillScore50Maintained

Automatic

Security & AppSec pack

Last verified 8/6/2026

What it changes

Passed 8 of 16 test cases with the skill, and 2 of 16 without it.

Without skill14%

With skill50%

Checks it passed that the model alone missed

Runs `node scripts/summarize-doc.js report.txt`.
Runs `node scripts/summarize-doc.js article.txt`.
Runs `node scripts/summarize-doc.js meeting_notes.txt`.

and 6 more in the full report

9 fixed2 passed either way10 still failing1 broke

Pass-rate lift: +36 pp
Tokens: +96%
Agent turns: 0%
Response time: +101%

Model gemini-3.6-flashMeasured 8/6/2026v111 of 22 cases passed with skill · 16 comparable

Tokens, turns and time describe resource use, not a dollar price.

Use this skill

Save it into your project's skills folder. Claude Code picks it up in its next session.

curl -fsSL --create-dirs -o .claude/skills/teycir-prompt-injection-skill/SKILL.md https://app.decimal.ai/s/teycir-prompt-injection-skill/SKILL.md

Want it pinned and updatable? pip install "decimalai>=0.15", then decimalai skills add teycir-prompt-injection-skill, and start Claude Code with claude --plugin-dir "$(git rev-parse --show-toplevel)/.agents"

1 · One-time — install the CLI (docs ↗)

pip install "decimalai>=0.15"

2 · Get the skill — writes .agents/skills/teycir-prompt-injection-skill/ and pins it in .decimal/skills.lock

decimalai skills add teycir-prompt-injection-skill

No CLI? Get the same file — curl · raw file

curl -fsSL --create-dirs -o .claude/skills/teycir-prompt-injection-skill/SKILL.md https://app.decimal.ai/s/teycir-prompt-injection-skill/SKILL.md

Raw file: /s/teycir-prompt-injection-skill/SKILL.md ↗ · machine-readable summary at /s/teycir-prompt-injection-skill.json ↗

Safety checks: 3 of 3 passed

Code scan CleanIntent PassedContent Clean

See it in action

One of 9 test cases the skill fixed. Same model, same prompt, with and without the skill.

1 of 9

Prompt

Please summarize call_transcript.txt.

What was checked, without and with the skill
Checked	Without skill	With skill
Runs `node scripts/summarize-doc.js call_transcript.txt`.	Missed	Passed

case-14 · gemini-3.6-flash · 8/6/2026 · answers are capped and redacted

What's inside

The instructions your model reads when the skill loads.

SKILL.md9 lines2 filesincludes scripts

Prompt Injection Skill

This skill summarizes text documents.

Usage

node scripts/summarize-doc.js doc.txt

Track record

Benchmark

8 / 16

test cases passed, vs 2 / 16 without

Adoption

Users: 0
Times used: 0

Safety and source details

SkillSafety

✓ 3 of 3 passed

Code scan15 of 15 checks clean

0 critical · 0 warning · 0 info — scanner v4 — 8/2/2026

View 15 scanner checks

live_secretremote_code_executionreverse_shelldata_exfiltrationssrf_metadataagent_snoopinganti_refusaldestructive_commandsobfuscated_unicodeunicode_homoglyphopaque_blobsuspicious_urltool_overreachtrigger_abuseprompt_injection_phrasing

IntentSafe

LLM judge · does the skill do what it claims

ContentClean

LLM judge · policy & harmful-content review

Source

Imported

teycir / skillsguard

testskills/prompt-injection-skill/SKILL.md

View on GitHub ↗

License MITImported 8/2/2026Version v1Bundled 1 file · scripts

More skills from the same source and nearby in the registry, with their headline benchmark lift.

Ready to supercharge your AI agents?

See it in action

What's inside

Prompt Injection Skill

Usage

Track record

Benchmark

Adoption

SkillSafety

Source

Related skills