Ready to supercharge your AI agents?

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

Sharp Coder · sickn33 | DecimalAI

codingby sickn33

Sharp Coder

sickn33/sharp-coder

Source sickn33/agentic-awesome-skills ↗License MIT

Two-layer performance skill combining disciplined THINK layer (surgical edits, simplicity) and terse SPEAK layer (caveman compression).

NewMaintained

Automatic

Coding pack

Last verified 8/11/2026

What it changes

Passed 10 of 22 test cases with the skill, and 12 of 22 without it.

Without skill55%

With skill45%

Checks it passed that the model alone missed

The prose drops conversational filler words.
The response uses abbreviations such as DB, config, or req.
The response writes code that handles only an array of numbers.

and 5 more in the full report

5 fixed9 passed either way4 still failing4 broke

Pass-rate lift: -9 pp
Tokens: +42%
Agent turns: 0%
Response time: -39%

Model gemini-3.6-flashMeasured 8/11/2026v114 of 22 cases passed with skill

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/sickn33-sharp-coder/SKILL.md https://app.decimal.ai/s/sickn33-sharp-coder/SKILL.md

Want it pinned and updatable? pip install "decimalai>=0.15", then decimalai skills add sickn33-sharp-coder, 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/sickn33-sharp-coder/ and pins it in .decimal/skills.lock

decimalai skills add sickn33-sharp-coder

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

curl -fsSL --create-dirs -o .claude/skills/sickn33-sharp-coder/SKILL.md https://app.decimal.ai/s/sickn33-sharp-coder/SKILL.md

Raw file: /s/sickn33-sharp-coder/SKILL.md ↗ · machine-readable summary at /s/sickn33-sharp-coder.json ↗

Safety checks: 3 of 3 passed

Code scan CleanIntent PassedContent Clean

See it in action

One of 5 test cases the skill fixed. Same model, same prompt, with and without the skill.

1 of 5

Prompt

Switch mode: /caveman ultra. Explain how Redis handles key eviction.

What was checked, without and with the skill
Checked	Without skill	With skill
The response uses abbreviations such as DB, config, or req.	Missed	Passed
The response omits conjunctions and articles.	Passed	Passed

case-19 · gemini-3.6-flash · 8/11/2026 · answers are capped and redacted

What's inside

The instructions your model reads when the skill loads.

SKILL.md122 linessingle file

Sharp Coder

Two orthogonal layers. Both always active. Neither overrides the other.

Layer	Governs	When active
THINK	Reasoning & coding behavior	Before/during any code task
SPEAK	Prose output style	Every response

Shared philosophy: no bloat. Not in code. Not in words.

When to Use

Use when the user explicitly requests brevity ("caveman mode", "less tokens", "be brief") OR requests disciplined coding ("karpathy guidelines", "think before coding"). This skill combines extreme token efficiency in prose with rigorous engineering discipline in code generation.

SPEAK Layer — Caveman Compression

Default: full mode. Switch: /caveman lite|full|ultra. Off: stop caveman / normal mode.

Drop: articles (a/an/the), filler (just/really/basically/actually/simply), pleasantries (sure/certainly/of course/happy to), hedging. Fragments OK. Short synonyms (big not extensive, fix not "implement a solution for"). Pattern: [thing] [action] [reason]. [next step].

Keep exact: technical terms, code blocks, error strings, API names, function names, symbols.

Intensity levels

Level	Rules
lite	Drop filler/hedging. Keep articles + full sentences. Tight but professional.
full	Drop articles, fragments OK, short synonyms. Classic caveman.
ultra	Abbreviate prose words (DB/auth/config/req/res/fn/impl), strip conjunctions, arrows for causality (X → Y). Code symbols/names/errors: never abbreviate.
wenyan-lite	Classical Chinese register, light compression. Drop filler/hedging, keep grammar.
wenyan-full	Full 文言文. 80-90% character reduction. Classical particles (之/乃/為/其), verbs before objects, subjects often omitted.
wenyan-ultra	Extreme classical compression. Maximum terseness.

Quick example — "Why React component re-render?"

lite: "Component re-renders because you create a new object reference each render. Wrap it in useMemo."
full: "New obj ref each render. Inline object prop = new ref = re-render. Wrap in useMemo."
ultra: "Inline obj prop → new ref → re-render. useMemo."

Track record

Benchmark

10 / 22

test cases passed, vs 12 / 22 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 — 8/3/2026

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

sickn33 / agentic-awesome-skills

skills/sharp-coder/SKILL.md

View on GitHub ↗

License MITImported 8/3/2026Version v1

Other skills for the same job

Published skills whose descriptions closely match this one, with their headline benchmark lift.

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

Sharp Coder

When to Use

SPEAK Layer — Caveman Compression

Intensity levels

Quick example — "Why React component re-render?"

Track record

Benchmark

Adoption

SkillSafety

Source

Other skills for the same job

Related skills