Agent Skill

Rea Tool Design skill

rea-tool-designmorluto/rea.agents/skills/rea-tool-design/SKILL.md

Design or change REA investigation tools, CLI/MCP contracts, provider capabilities, and Evidence semantics.

360kMIT

always on

24 tokname + description

once used

151 tokSKILL.md body

bundled files

repo stars

360kGitHub

Install the Rea Tool Design skill

Skills CLI (Claude Code, Codex, Cursor and others)

npx skills add https://github.com/morluto/rea --skill rea-tool-design

Claude Code, by hand (all projects)

git clone --depth 1 https://github.com/morluto/rea.git /tmp/rea
mkdir -p ~/.claude/skills
cp -R /tmp/rea/.agents/skills/rea-tool-design ~/.claude/skills/rea-tool-design

For one project only, copy the folder into .claude/skills/ in that project instead. The agent picks it up when a task matches its description.

What it costs your context

Agent Skills load in three steps. Tokens counted with the o200k tokenizer; your model's count will differ a little.

When	What loads	Cost
Every session	Name and description	24 tok
When the agent uses it	The SKILL.md instructions	151 tok
Only if opened	No bundled files	—

Until it is used, rea-tool-design costs about 57× less than the median MCP server we measured (1,362 tokens on every turn). Installing all 5 skills from morluto/rea would load 220 tokens of descriptions. Skills vs MCP study

Checks

Our checks found nothing to flag: it follows the Agent Skills specification's naming and size guidelines and doesn't pipe downloads into a shell.

Checked 2026-10-22 · method

What's inside

The headings of its SKILL.md. Read the full file on GitHub.

REA tool design

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