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Create Skill · dotnet | DecimalAI

agent toolingby dotnet

Create Skill

dotnet/create-skill

Source dotnet/skills ↗License MIT

Scaffolds new agent skills for the dotnet/skills repository.

SkillScore77Maintained

Automatic

AI Engineer pack

Last verified 9/8/2026

What it changes

Passed 14 of 18 test cases with the skill, and 9 of 18 without it.

Without skill50%

With skill77%

Checks it passed that the model alone missed

The frontmatter sets disable-model-invocation to true.
The workflow excludes standard C# API method signatures.
The frontmatter skill name contains no uppercase letters.

and 5 more in the full report

6 fixed11 passed either way5 still failing0 broke

Pass-rate lift: +27 pp
Tokens: +89%
Agent turns: 0%
Response time: -21%

Model gemini-3.6-flashMeasured 9/8/2026v417 of 22 cases passed with skill · 18 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/dotnet-create-skill/SKILL.md https://app.decimal.ai/s/dotnet-create-skill/SKILL.md

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

decimalai skills add dotnet-create-skill

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

curl -fsSL --create-dirs -o .claude/skills/dotnet-create-skill/SKILL.md https://app.decimal.ai/s/dotnet-create-skill/SKILL.md

Raw file: /s/dotnet-create-skill/SKILL.md ↗ · machine-readable summary at /s/dotnet-create-skill.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

Write the .github/CODEOWNERS lines required when creating a new skill `grpc-schema-validator` inside the `networking` plugin owned by `@dotnet/network-team`.

What was checked, without and with the skill
Checked	Without skill	With skill
The CODEOWNERS lines include an entry for /plugins/networking/skills/grpc-schema-validator/.	Passed	Passed
The CODEOWNERS lines include an entry for /tests/networking/grpc-schema-validator/.	Missed	Passed

case-12 · gemini-3.6-flash · 9/8/2026 · answers are capped and redacted

What's inside

The instructions your model reads when the skill loads.

SKILL.md248 linessingle file

Create Skill

This skill helps you scaffold new agent skills that conform to the Agent Skills specification and the dotnet/skills repository conventions.

When to Use

Creating a new skill from scratch
Generating a SKILL.md file with proper frontmatter
Setting up the skill directory structure with optional folders
Ensuring compliance with agentskills.io specification

When Not to Use

Modifying existing skills (edit directly instead)
Diagnosing or fixing a skill that fails its evaluation (use improve-skill-quality)
Writing the skill's eval.yaml (use create-skill-test)
Creating custom agents (use the agents/ directory pattern)

Inputs

Input	Required	Description
Skill name	Yes	Lowercase, alphanumeric, hyphens only (e.g., `code-review`, `ci-triage`)
Description	Yes	What the skill does and when agents should use it (1-1024 chars)
Purpose	Yes	One paragraph describing the outcome
Workflow steps	Recommended	Numbered steps the agent should follow

Workflow

Step 1: Validate the skill name

Ensure the name:

Contains only lowercase letters, numbers, and hyphens
Does not start or end with a hyphen
Does not contain consecutive hyphens
Is between 1-64 characters

Step 2: Write the description — it is the router

The description is the only text the runtime sees when deciding whether to load the skill.

Track record

Benchmark

14 / 18

test cases passed, vs 9 / 18 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 v5 — 9/8/2026

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

dotnet / skills

.agents/skills/create-skill/SKILL.md

View on GitHub ↗

License MITImported 9/8/2026Version v4

Other skills for the same job

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

make-skillCreate new Agent Skills for GitHub Copilot. Use when asked to create, scaffold, or add a skill. Generates SKILL.md with frontmatter, directory structure, and optional resources.Close match+59 pp pass-rate 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

Create Skill

When to Use

When Not to Use

Inputs

Workflow

Step 1: Validate the skill name

Step 2: Write the description — it is the router

Track record

Benchmark

Adoption

SkillSafety

Source

Other skills for the same job

Related skills