Individual skill
ergonomics
Audit CLI, API, MCP or SDK discovery, first use and error recovery. Use when: designing an agent-facing tool or investigating misuse, including one command.
plugin/skills/ergonomics/SKILL.md
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- Last checked
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- ai-agents Repository topic
- claude-code Repository topic
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- devops Repository topic
- codex Repository topic
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- security Derived category
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SKILL.mdcore · 10,782 bytesreferences/error-contract.mddoc · 4,315 bytes
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# Ergonomics
Judge a tool surface from the position of its most literal consumer, an AI
agent: a CLI, HTTP API, MCP or agent tool, SDK or library, or a proposed design
for one. A human developer is the second consumer and is usually served by the
same fixes. Neighbours: threats are [Security](../security/SKILL.md); help text
and READMEs are [Doc](../doc/SKILL.md); lasting proof is [Test](../test/SKILL.md);
applying fixes is [Implement](../implement/SKILL.md); acceptance is
[Validate](../validate/SKILL.md).
## The literal reader
An agent sees only text, exit codes and structured output. It has no screen,
no colour cue and often no terminal or open stdin. It copies the printed next
step and runs it as written. It cannot ask what a message meant. When something