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Hyper Skill Tester — measured AI agent skill | DecimalAI

stijnman/hyper-skill-tester

SkillScore86Maintained

Stress-tests skills with edge-case prompts and scoring rubric. Use before pu blishing skills or user says test skill, hyper test. Use when the user needs this capability. Triggers: test skill, hyper test, skill QA, audit skill qu ality.

by stijnman

Links this skill to your agents and keeps it current with the author’s updates.

Automatic

QA & Test Engineering pack

decimalai skills pull stijnman-hyper-skill-tester

Get this skill — curl · raw file

curl -fsSL https://app.decimal.ai/s/stijnman-hyper-skill-tester/SKILL.md

Raw file: /s/stijnman-hyper-skill-tester/SKILL.md ↗ · machine-readable summary at /s/stijnman-hyper-skill-tester.json ↗

In productionGlobal

how this skill behaves on real traffic · last 30 days

No production data for this skill yet — usage numbers appear here once agents start running it.

Anonymized aggregate across every org using this skill — proof from real production use, not a demo.

Does this skill help? · Benchmark: with vs. withoutsign in to run this on your agents

22 test cases from the publisher’s eval.yaml · each run twice on gemini-3.6-flash — with the skill injected, then without · last run 7d ago

Yes — +55% lift-22% tokens0% turns86% of whole cases pass with skill (19/22)

Test case	Without → With	Effect	Δ tokens	Δ turns
case-05	✗→✓	▲ Improved	-23%	0%
case-01	✗→✓	▲ Improved	122%	0%
case-02	✗→✓	▲ Improved	-29%	0%
case-03	✗→✓	▲ Improved	-35%	0%
case-04	✗→✓	▲ Improved	-19%	0%

Showing 5 of 22 cases

SkillSafety

✓ 3 of 3 passed

Code scan15 of 15 checks clean

0 critical · 0 warning · 0 info — scanner v4 — 8/1/2026

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

stijnman / grok-custom-skills

.grok/skills/hyper-skill-tester/SKILL.md

View on GitHub ↗

License MITImported 8/1/2026Version v1

Skill contents

SKILL.md

Hyper Skill Tester

When to Use

User says test skill or task matches this capability
User says hyper test or task matches this capability
User says skill QA or task matches this capability
User says audit skill quality or task matches this capability

Workflow

Load skill; generate 10 trigger and 5 anti-trigger prompts.
Simulate agent behavior against rubric.
Score 10 dimensions; flag scores below 3.
Output report with fix suggestions.

Integrations

auto-tester
skill-researcher
review-skill

Error Handling

| Failure | Response | |---------|----------| | Skill not found | Verify path under .grok/skills/. |

Gotchas

Run after every skill-evolver change.

Example

Input: User request matching triggers above. Output: Structured result per workflow with integrations invoked as needed.

Want to see if stijnman/hyper-skill-tester would activate on your phrasing? Try it before you install — no LLM call, no signup.

Other measured skills in the registry, with their headline benchmark lift.