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Xlsx — measured AI agent skill | DecimalAI

hmbown/xlsx

SkillScore77Maintained

Create/edit/analyze/verify spreadsheet workbooks including XLSX/CSV/TSV.

by hmbown

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

Automatic

Data Analyst pack

decimalai skills pull hmbown-xlsx

Get this skill — curl · raw file

curl -fsSL https://app.decimal.ai/s/hmbown-xlsx/SKILL.md

Raw file: /s/hmbown-xlsx/SKILL.md ↗ · machine-readable summary at /s/hmbown-xlsx.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 3d ago

Yes — +27% lift-8% tokens0% turns77% of whole cases pass with skill (17/22)

Test case	Without → With	Effect	Δ tokens	Δ turns
case-05	✗→✓	▲ Improved	-32%	0%
case-02	✗→✓	▲ Improved	5%	0%
case-04	✗→✓	▲ Improved	-36%	0%
case-07	✗→✓	▲ Improved	-24%	0%
case-15	✗→✓	▲ Improved	-11%	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

hmbown / codewhale

crates/tui/assets/skills/xlsx/SKILL.md

View on GitHub ↗

License MITImported 8/3/2026Version v1

Skill contents

SKILL.md

Xlsx

When to use

Use for spreadsheets, tabular analysis, formulas, and charts in workbooks.

Compatibility

spreadsheets is a compatibility alias for this skill.

Workflow

Prefer structured tables with clear headers.
Keep formulas auditable.
Verify by reopening and checking key cells/aggregates.

Want to see if hmbown/xlsx 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.