All skills & plugins / Anthropic Agent Skills

skill-creator

Create new skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, edit, or optimize an existing skill, run evals to test a skill, benchmark skill performance with variance analysis, or optimize a skill's description for better triggering accuracy.

Type: Skill by Anthropic
Catalog: Anthropic Agent Skills
Source: anthropics/skills/skills/skill-creator (18 files scanned)
Install and details: Agent Skills Index entry
License: Apache-2.0 (LICENSE file)
Signals: Bundled scriptsSpawns processes

Pre-approved tools

No allowed-tools or tools list in its SKILL.md, command or agent files, so the agent asks before using tools as usual.

Hooks

No hooks.

MCP servers and apps

None.

Bundled code

10 code files (Python):

Network calls

No HTTP or socket call pattern found in the code.

Starts other programs

3 files. First match per file:

skills/skill-creator/eval-viewer/generate_review.py:291
```
result = subprocess.run(
```
skills/skill-creator/scripts/improve_description.py:35
```
result = subprocess.run(
```
skills/skill-creator/scripts/run_eval.py:85
```
process = subprocess.Popen(
```

Credentials referenced

No key, token or secret environment variable found in code or MCP config.

Static scan of commit dbd4588 on 2026-10-27. Signals are patterns found in the files, not a verdict: a network call can be the whole point of a skill. Read the linked lines before you decide. How the scan works.