O2 Review Loop
openobserve/openobserve
Splits a change into planner, coder and independent reviewer roles: you confirm a spec, a subagent implements it, and a separate reviewer checks each round's local WIP commit.
Create custom subagents for specialized AI tasks. An agent skill from coco-research/coco.
Install Create Subagent
$ npx skills add coco-research/coco --skill create-subagent -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install coco-research/coco create-subagent --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/coco-research/coco.git skills-src && mkdir -p .claude/skills && cp -r skills-src/adapters/cursor/skills/create-subagent .claude/skills/create-subagent && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "create-subagent" agent skill from https://github.com/coco-research/coco/tree/main/adapters/cursor/skills/create-subagent into .claude/skills/create-subagent/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "create-subagent", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/coco-research/coco/tree/main/adapters/cursor/skills/create-subagentType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add coco-research/coco --skill create-subagent -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install coco-research/coco create-subagent --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/coco-research/coco.git skills-src && mkdir -p .agents/skills && cp -r skills-src/adapters/cursor/skills/create-subagent .agents/skills/create-subagent && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "create-subagent" agent skill from https://github.com/coco-research/coco/tree/main/adapters/cursor/skills/create-subagent into .agents/skills/create-subagent/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "create-subagent", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add coco-research/coco --skill create-subagent -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install coco-research/coco create-subagent --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/coco-research/coco.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/adapters/cursor/skills/create-subagent .cursor/skills/create-subagent && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "create-subagent" agent skill from https://github.com/coco-research/coco/tree/main/adapters/cursor/skills/create-subagent into .cursor/skills/create-subagent/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "create-subagent", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/coco-research/coco.git --path adapters/cursor/skills/create-subagent--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add coco-research/coco --skill create-subagent -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install coco-research/coco create-subagent --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/coco-research/coco.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/adapters/cursor/skills/create-subagent .gemini/skills/create-subagent && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "create-subagent" agent skill from https://github.com/coco-research/coco/tree/main/adapters/cursor/skills/create-subagent into .gemini/skills/create-subagent/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "create-subagent", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install coco-research/coco create-subagentInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add coco-research/coco --skill create-subagent -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/coco-research/coco.git skills-src && mkdir -p .github/skills && cp -r skills-src/adapters/cursor/skills/create-subagent .github/skills/create-subagent && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "create-subagent" agent skill from https://github.com/coco-research/coco/tree/main/adapters/cursor/skills/create-subagent into .github/skills/create-subagent/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "create-subagent", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add coco-research/coco --skill create-subagent -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install coco-research/coco create-subagent --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/coco-research/coco.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/adapters/cursor/skills/create-subagent .opencode/skills/create-subagent && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "create-subagent" agent skill from https://github.com/coco-research/coco/tree/main/adapters/cursor/skills/create-subagent into .opencode/skills/create-subagent/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "create-subagent", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
create-subagent- GitHub stars
- 503
- Token cost
- ~1.6k tokens
- SKILL.md length
- 372 words
- Files
- 1
- Skills in repo
- 63
- Repo updated
- First seen
- Licence
- Custom licence
At a glance
Create custom subagents for specialized AI tasks. An agent skill from coco-research/coco.
- Works in 5 steps: Decide the Scope → Create the File → Define Configuration → …
- The user wants to create a new type of subagent
- SKILL.md covers When to Use Subagents, Subagent Locations, Subagent File Format and Writing Effective Descriptions, plus 4 more sections
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
Create Subagent is an agent skill from coco-research/coco. Create custom subagents for specialized AI tasks. Use when the user wants to create a new type of subagent, set up task-specific agents, configure code reviewers, debuggers, or domain-specific assistants with custom prompts.
Its SKILL.md is about 1.6k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.
It sits in Agent Workflows, covering Subagents and Code review. The repository describes itself as: CoCo Super Intelligence is the orchestration layer that turns Claude Code, Cursor, or Codex into an engineering department: a routed advisory board, 226 skills, 386 commands…
When your agent uses it
- The user wants to create a new type of subagent
- Set up task-specific agents
- Configure code reviewers
- Domain-specific assistants with custom prompts
Example prompts
- “/create-subagent”
Workflow steps
5 steps, taken from the step headings in SKILL.md.
- Decide the Scope
- Create the File
- Define Configuration
- Write the System Prompt
- Test the Agent
What it can do on your machine
Read from SKILL.md and the folder at commit d79d33a. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
No scripts in the folder and no shell commands in SKILL.md (its code samples are markdown, yaml and bash).
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md.
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Context cost
Create Subagent loads about 1.6k tokens when it runs. Until then it costs about 60 tokens; SKILL.md has 372 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
Safety
Auto-check passed
The automated check found no risky patterns in SKILL.md.
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.
SKILL.md
Its licence (Custom licence) doesn't allow us to republish the file, so here is its outline and opening line. It has 372 words (~1,614 tokens).
“This skill guides you through creating custom subagents for Cursor. Subagents are specialized AI assistants that run in isolated contexts with custom system prompts.”
- name
- create-subagent
- disable-model-invocation
- true
Files
Just SKILL.md in adapters/cursor/skills/create-subagent of coco-research/coco.
Open the folder on GitHubat commit d79d33a
Compare with similar skills
Create Subagent next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Create Subagent this skillcoco-research/coco | 503 | — | ~1.6k | Automated safety check: Pass | Custom licence | |
| O2 Review Loopopenobserve/openobserve | 22k | — | ~3.7k | Automated safety check: Pass | AGPL-3.0 | |
| Clawteamwin4r/ClawTeam-OpenClaw | 1.5k | — | ~3.1k | Automated safety check: Pass | MIT | |
| Elvesaigorahub/elves | 222 | — | ~16k | Automated safety check: Notes | MIT | |
| Loop Change Verifiercobusgreyling/loop-engineering | 11k | 1 repos | ~383 | Automated safety check: Pass | MIT | |
| Subagent-Driven DevelopmentHoangNguyen0403/agent-skills-standard | 571 | — | ~1.3k | Automated safety check: Pass | MIT |
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Loop Change Verifier
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Acts as a skeptical checker for changes an implementer sub-agent made, running the tests, confirming the diff scope and returning approve, reject or escalate to a human.
Subagent-Driven Development
HoangNguyen0403/agent-skills-standard
Runs a multi-task implementation plan by sending each task to a fresh implementer subagent, reviewing it independently, then reviewing the whole branch.
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Related
Categories
Questions about Create Subagent
What does Create Subagent do?
Create custom subagents for specialized AI tasks. An agent skill from coco-research/coco. Create Subagent is an agent skill from coco-research/coco. Create custom subagents for specialized AI tasks.
When should I use Create Subagent?
Create Subagent fits situations like: the user wants to create a new type of subagent; set up task-specific agents; configure code reviewers; domain-specific assistants with custom prompts.
How do I install Create Subagent in Claude Code?
Run `npx skills add coco-research/coco --skill create-subagent -a claude-code`. Or copy the skill folder (adapters/cursor/skills/create-subagent in coco-research/coco) into .claude/skills/create-subagent in your project. Claude Code loads it when a task matches its description.
How do I install Create Subagent in Codex?
Run `npx skills add coco-research/coco --skill create-subagent -a codex`. Or copy the skill folder (adapters/cursor/skills/create-subagent in coco-research/coco) into .agents/skills/create-subagent in your project. Codex loads it when a task matches its description.
Can I use Create Subagent in Cursor, Gemini CLI or GitHub Copilot?
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add coco-research/coco --skill create-subagent -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/create-subagent, .gemini/skills/create-subagent, .github/skills/create-subagent and .opencode/skills/create-subagent in your project.
What does Create Subagent need to run?
SKILL.md names no scripts, command-line tools or credentials: Create Subagent is instructions for the agent only.
Does Create Subagent access the network?
SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.
Is Create Subagent safe to install?
Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.
What licence does Create Subagent use?
Create Subagent has a licence file (the repository's licence) that doesn't match a standard licence. Read it on GitHub before reusing the skill.
How many tokens does Create Subagent use?
About 1.6k tokens (SKILL.md is roughly 6.5k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.
What are the alternatives to Create Subagent?
Skills that share tags, products or a category with Create Subagent: O2 Review Loop (openobserve/openobserve, 22k stars), Clawteam (win4r/ClawTeam-OpenClaw, 1.5k stars), Elves (aigorahub/elves, 222 stars) and Loop Change Verifier (cobusgreyling/loop-engineering, 11k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Create Subagent?
coco-research (a GitHub user) maintains it in coco-research/coco, which has 503 GitHub stars. The repository holds 63 skills in this directory. The repository was last updated on October 9, 2026.
Source: coco-research/coco on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.