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Loop Engineering Skill for Claude

by huytieu

Shared loop-engineering reference for COG skills - the agent loop, deterministic verifiers, termination conditions, in-loop context management, and named patterns. Invoke when designing or debugging a skill that iterates (search-verify-retry, scan-until-dry, fetch-retry-gate).

161 tokens
context cost
the whole folder, loaded on every use
1
files
instructions only
0
copies elsewhere
how many repositories repackaged it
819
stars on the repo
on the repository, not the skill itself

Install

one command, takes just this skill from the repository 
npx skills add https://github.com/huytieu/COG-second-brain --skill loop-engineering

What it tells the agent to use

found in the instruction text
Task spawns other agents

The instruction itself

as written by the author

Read .claude/skills/loop-engineering/SKILL.md and execute it exactly as written — that file is the authoritative

playbook. Then follow .agents/rules/cog.md.

Antigravity substitution: where the playbook delegates to a .claude/agents/<name>

worker, invoke .agents/agents/<name>.md via invoke_subagent instead.

How to use it

Copy the folder

Take huytieu/loop-engineering from the repository into ~/.claude/skills for personal use, or into .claude/skills inside a project.

Check the name does not clash

The agent identifies a skill by the name field in its header. Two skills with the same name cannot sit side by side — one of them will be ignored.