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Skill: api/client-generation · velcrafting | DecimalAI

codingby velcrafting

Skill: api/client-generation

velcrafting/client-generation

Source velcrafting/codex-skills ↗License Not recorded

Generate or update typed API clients from canonical contracts.

SkillScore77Maintained

Automatic

Coding pack

Last verified 8/3/2026

What it changes

Passed 17 of 22 test cases with the skill, and 13 of 22 without it.

Without skill59%

With skill77%

Checks it passed that the model alone missed

Returns the task to the contract update process.
Halts client generation when the contract source is invalid.
Inspects REPO_PROFILE.json for repository generation guidelines.

and 4 more in the full report

5 fixed12 passed either way4 still failing1 broke

Pass-rate lift: +18 pp
Tokens: -19%
Agent turns: 0%
Response time: -34%

Model gemini-3.6-flashMeasured 8/3/2026v117 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/velcrafting-client-generation/SKILL.md https://app.decimal.ai/s/velcrafting-client-generation/SKILL.md

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

decimalai skills add velcrafting-client-generation

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

curl -fsSL --create-dirs -o .claude/skills/velcrafting-client-generation/SKILL.md https://app.decimal.ai/s/velcrafting-client-generation/SKILL.md

Raw file: /s/velcrafting-client-generation/SKILL.md ↗ · machine-readable summary at /s/velcrafting-client-generation.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

We regenerated the Rust API client in `crates/api-client` from `specs/auth.yaml`. What build verification step must be performed before committing the changes?

What was checked, without and with the skill
Checked	Without skill	With skill
Verifies that downstream consumer projects pass typecheck against the updated client.	Missed	Passed

case-10 · gemini-3.6-flash · 8/3/2026 · answers are capped and redacted

What's inside

The instructions your model reads when the skill loads.

SKILL.md58 linessingle file

Skill: api/client-generation

Purpose

Produce or refresh API clients so consumers:

use typed, validated calls
stay aligned with contracts
do not hand-roll request logic

Inputs

Canonical API contract source
Target language(s) or framework(s)
Repo profile (preferred): <repo>/REPO_PROFILE.json

Outputs

Generated client code OR
Updated handwritten client wrappers (repo standard)
Regenerated artifacts committed if repo policy allows

Non-goals

Changing API behavior
Writing UI or domain logic
Editing generated code manually

Workflow

Identify contract source and generator/tooling.
Regenerate clients deterministically.
Update import paths or version pins if needed.
Verify consumers compile/typecheck.

Checks

Track record

Benchmark

17 / 22

test cases passed, vs 13 / 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 — 8/1/2026

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

velcrafting / codex-skills

skills/api/client-generation/SKILL.md

View on GitHub ↗

Imported 8/1/2026Version v1

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

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See it in action

What's inside

Skill: api/client-generation

Purpose

Inputs

Outputs

Non-goals

Workflow

Checks

Track record

Benchmark

Adoption

SkillSafety

Source

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