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target-brief-baseline-stage · understudy-ai | DecimalAI

Registry skillby understudy-ai

target-brief-baseline-stage

understudy-ai/target-brief-baseline-stage

Source understudy-ai/understudy ↗License MIT

Single-stage acceptance playbook for the baseline context phase.

SkillScore82Maintained

Automatic

Research pack

Last verified 8/19/2026

What it changes

Passed 17 of 21 test cases with the skill, and 5 of 21 without it.

Without skill23%

With skill82%

Checks it passed that the model alone missed

Sets approval to baseline_review.
Produces target.json and context.md.
Requires targetName as the stage input.

and 11 more in the full report

13 fixed5 passed either way4 still failing0 broke

Pass-rate lift: +59 pp
Tokens: -36%
Agent turns: 0%
Response time: -46%

Model gemini-3.6-flashMeasured 8/19/2026v118 of 22 cases passed with skill · 21 comparable

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/understudy-ai-target-brief-baseline-stage/SKILL.md https://app.decimal.ai/s/understudy-ai-target-brief-baseline-stage/SKILL.md

Want it pinned and updatable? pip install "decimalai>=0.15", then decimalai skills add understudy-ai-target-brief-baseline-stage, 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/understudy-ai-target-brief-baseline-stage/ and pins it in .decimal/skills.lock

decimalai skills add understudy-ai-target-brief-baseline-stage

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

curl -fsSL --create-dirs -o .claude/skills/understudy-ai-target-brief-baseline-stage/SKILL.md https://app.decimal.ai/s/understudy-ai-target-brief-baseline-stage/SKILL.md

Raw file: /s/understudy-ai-target-brief-baseline-stage/SKILL.md ↗ · machine-readable summary at /s/understudy-ai-target-brief-baseline-stage.json ↗

Safety checks: 3 of 3 passed

Code scan CleanIntent PassedContent Clean

See it in action

One of 12 test cases the skill fixed. Same model, same prompt, with and without the skill.

1 of 12

Prompt

When human verification completes for target 'Nexus-Labs', under what attribute name is the decision stored in the gate response?

What was checked, without and with the skill
Checked	Without skill	With skill
Outputs approval.state to record the human decision.	Missed	Passed

case-09 · gemini-3.6-flash · 8/19/2026 · answers are capped and redacted

What's inside

The instructions your model reads when the skill loads.

SKILL.md31 linessingle file

target-brief-baseline-stage

Goal

Run the baseline context stage end to end for a selected target.

Inputs

targetName

Child Artifacts

collect-target-context

Stage Plan

[skill] collect-target-context -> Collect baseline target context | inputs: targetName, artifactsRootDir | outputs: target.json, context.md | retry: retry_once
[approval] baseline-preview -> Wait for human approval | outputs: approval.state | approval: baseline_review

Output Contract

target.json
context.md

Approval Gates

Human review before continuing beyond the baseline stage

Failure Policy

Keep the partial context output if the stage cannot finish in one pass

Track record

Benchmark

17 / 21

test cases passed, vs 5 / 21 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

understudy-ai / understudy

packages/gateway/src/__tests__/fixtures/handwritten-playbook-demo/skills/target-brief-baseline-stage/SKILL.md

View on GitHub ↗

License MITImported 8/3/2026Version v1

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

target-brief-baseline-stage

Goal

Inputs

Child Artifacts

Stage Plan

Output Contract

Approval Gates

Failure Policy

Track record

Benchmark

Adoption

SkillSafety

Source

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