Ready to supercharge your AI agents?

Install any skill in seconds. Free to start, no credit card required.

Get Started Free →

Josstei/Perf Check — measured AI agent skill | DecimalAI

josstei/perf-check

NewSkillScoreMaintained

Run a Maestro-style performance assessment for hotspots, regressions, and optimization planning

codingby josstei

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

Automatic

Coding pack

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

pip install decimalai

2 · Get the skill — writes .claude/skills/josstei-perf-check/SKILL.md

decimalai skills pull josstei-perf-check --out .claude/skills/

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

curl -fsSL --create-dirs -o .claude/skills/josstei-perf-check/SKILL.md https://app.decimal.ai/s/josstei-perf-check/SKILL.md

Raw file: /s/josstei-perf-check/SKILL.md ↗ · machine-readable summary at /s/josstei-perf-check.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 2h ago

—+43% tokens0% turns5% of whole cases pass with skill (1/22)

Test case	Without → With	Effect	Δ tokens	Δ turns
case-02	✓→✗	▼ Worse	-86%	0%
case-06	✓→✗	▼ Worse	-91%	0%
case-12	✓→✗	▼ Worse	-92%	0%
case-10	✓→✗	▼ Worse	-91%	0%
case-21	✓→✗	▼ Worse	14%	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 — 8/3/2026

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

josstei / maestro-orchestrate

claude/skills/perf-check/SKILL.md

View on GitHub ↗

License Apache-2.0Imported 8/3/2026Version v2

Skill contents

SKILL.md

Read ../../references/runtime-guide.md. Call get_skill_content with resources: "architecture", "delegation"]. Call get_agent with agents: "performance-engineer"].

Workflow

Define the performance target or pain point
Establish the current baseline from available code, metrics, or reproducible commands
Identify likely hotspots, structural bottlenecks, and hot loops through code analysis
Prioritize fixes by expected impact versus implementation cost
Report measurement gaps when hard evidence is unavailable and propose a validation plan

Want to see if josstei/perf-check 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.