Ready to supercharge your AI agents?

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

Get Started Free →

smithers diff · smithersai | DecimalAI

agent toolingby smithersai

smithers diff

smithersai/smithers-diff

Source smithersai/smithers ↗License MIT

Print DiffBundle as unified diff. Run `smithers diff --help` for usage details.

SkillScore83Maintained

Automatic

AI Engineer pack

Last verified 8/21/2026

What it changes

Passed 17 of 20 test cases with the skill, and 8 of 20 without it.

Without skill39%

With skill83%

Checks it passed that the model alone missed

Includes --stat in the diff command
Includes --iteration 0 in the command
Identifies the command as smithers diff

and 9 more in the full report

10 fixed9 passed either way4 still failing0 broke

Pass-rate lift: +43 pp
Tokens: -62%
Agent turns: 0%
Response time: -71%

Model gemini-3.6-flashMeasured 8/21/2026v119 of 23 cases passed with skill · 20 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/smithersai-smithers-diff/SKILL.md https://app.decimal.ai/s/smithersai-smithers-diff/SKILL.md

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

decimalai skills add smithersai-smithers-diff

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

curl -fsSL --create-dirs -o .claude/skills/smithersai-smithers-diff/SKILL.md https://app.decimal.ai/s/smithersai-smithers-diff/SKILL.md

Raw file: /s/smithersai-smithers-diff/SKILL.md ↗ · machine-readable summary at /s/smithersai-smithers-diff.json ↗

Safety checks: 3 of 3 passed

Code scan CleanIntent PassedContent Clean

See it in action

One of 10 test cases the skill fixed. Same model, same prompt, with and without the skill.

1 of 10

Prompt

What is the subcommand under Smithers CLI used to output a DiffBundle as a unified patch?

What was checked, without and with the skill
Checked	Without skill	With skill
Identifies the command as smithers diff	Missed	Passed

case-17 · gemini-3.6-flash · 8/21/2026 · answers are capped and redacted

What's inside

The instructions your model reads when the skill loads.

SKILL.md19 linessingle file

smithers diff

Print DiffBundle as unified diff.

Arguments

Name	Type	Required	Description
`runId`	`string`	yes	Run ID containing the node
`nodeId`	`string`	yes	Node ID to diff

Options

Flag	Type	Default	Description
`--iteration`	`number`		Loop iteration
`--json`	`boolean`	`false`	Emit raw DiffBundle
`--stat`	`boolean`	`false`	Show stat summary only
`--color`	`string`	`auto`	Colorize output

Track record

Benchmark

17 / 20

test cases passed, vs 8 / 20 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

smithersai / smithers

.agents/skills/smithers-diff/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

smithers diff

Arguments

Options

Track record

Benchmark

Adoption

SkillSafety

Source

Related skills