Claude Code Agent Development
anthropics/claude-plugins-official
Explains how to write agents for Claude Code plugins: the markdown file with YAML frontmatter, trigger descriptions, model and color settings, and system prompt design.
A skill your agent uses when a plan has parallel tasks and the harness supports dispatching subagents.
$ npx skills add hashgraph-online/awesome-codex-plugins --skill subagents -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install hashgraph-online/awesome-codex-plugins subagents --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/hashgraph-online/awesome-codex-plugins.git skills-src && mkdir -p .claude/skills && cp -r skills-src/plugins/ouonet/praxis/skills/subagents .claude/skills/subagents && 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 "subagents" agent skill from https://github.com/hashgraph-online/awesome-codex-plugins/tree/main/plugins/ouonet/praxis/skills/subagents into .claude/skills/subagents/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "subagents", 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/hashgraph-online/awesome-codex-plugins/tree/main/plugins/ouonet/praxis/skills/subagentsType 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 hashgraph-online/awesome-codex-plugins --skill subagents -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install hashgraph-online/awesome-codex-plugins subagents --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/hashgraph-online/awesome-codex-plugins.git skills-src && mkdir -p .agents/skills && cp -r skills-src/plugins/ouonet/praxis/skills/subagents .agents/skills/subagents && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "subagents" agent skill from https://github.com/hashgraph-online/awesome-codex-plugins/tree/main/plugins/ouonet/praxis/skills/subagents into .agents/skills/subagents/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "subagents", 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 hashgraph-online/awesome-codex-plugins --skill subagents -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install hashgraph-online/awesome-codex-plugins subagents --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/hashgraph-online/awesome-codex-plugins.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/plugins/ouonet/praxis/skills/subagents .cursor/skills/subagents && 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 "subagents" agent skill from https://github.com/hashgraph-online/awesome-codex-plugins/tree/main/plugins/ouonet/praxis/skills/subagents into .cursor/skills/subagents/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "subagents", 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/hashgraph-online/awesome-codex-plugins.git --path plugins/ouonet/praxis/skills/subagents--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 hashgraph-online/awesome-codex-plugins --skill subagents -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install hashgraph-online/awesome-codex-plugins subagents --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/hashgraph-online/awesome-codex-plugins.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/plugins/ouonet/praxis/skills/subagents .gemini/skills/subagents && 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 "subagents" agent skill from https://github.com/hashgraph-online/awesome-codex-plugins/tree/main/plugins/ouonet/praxis/skills/subagents into .gemini/skills/subagents/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "subagents", 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 hashgraph-online/awesome-codex-plugins subagentsInstalls 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 hashgraph-online/awesome-codex-plugins --skill subagents -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/hashgraph-online/awesome-codex-plugins.git skills-src && mkdir -p .github/skills && cp -r skills-src/plugins/ouonet/praxis/skills/subagents .github/skills/subagents && 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 "subagents" agent skill from https://github.com/hashgraph-online/awesome-codex-plugins/tree/main/plugins/ouonet/praxis/skills/subagents into .github/skills/subagents/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "subagents", 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 hashgraph-online/awesome-codex-plugins --skill subagents -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install hashgraph-online/awesome-codex-plugins subagents --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/hashgraph-online/awesome-codex-plugins.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/plugins/ouonet/praxis/skills/subagents .opencode/skills/subagents && 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 "subagents" agent skill from https://github.com/hashgraph-online/awesome-codex-plugins/tree/main/plugins/ouonet/praxis/skills/subagents into .opencode/skills/subagents/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "subagents", 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.
subagentsA skill your agent uses when a plan has parallel tasks and the harness supports dispatching subagents.
Subagents is an agent skill from hashgraph-online/awesome-codex-plugins. Use when a plan has parallel tasks and the harness supports dispatching subagents.
Its SKILL.md is about 1.1k 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. The repository describes itself as: A curated list of awesome OpenAI Codex / ChatGPT plugins, skills, and resources. The 1 Codex Marketplace. See live plugins at: https://hol.org/plugins/best-codex-plugins. The licence is Apache-2.0.
Read from SKILL.md and the folder at commit 78497e5. It shows what the files ask for, not the result of running them.
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.
No scripts in the folder and no shell commands in SKILL.md.
From the folder's file list and the shell code blocks in SKILL.md.
No URLs in SKILL.md.
From URLs in SKILL.md, links to its own repository left out.
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Subagents loads about 1.1k tokens when it runs. Until then it costs about 23 tokens; SKILL.md has 478 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.
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.
The full file from hashgraph-online/awesome-codex-plugins at commit 78497e5, republished under its Apache-2.0 licence (© hashgraph-online). 478 words, ~1,065 tokens.
.claude/skills/subagents/SKILL.md (or your agent's skills folder).If topology=multi-module (triage announcement or coordinator spec/plan declaration), read ../references/multi-module.md.
Fresh context per task. No session history.
Subagents have file-read tools. Don't inline what they can read.
TASK: <one sentence>
ROLE: <implementer | spec-reviewer | quality-reviewer>
MODEL: <fast | balanced | strongest>
REPOSITORY: <registered repo id and path>
MODULE: <module id and root>
FILES: <paths>
SPEC: <docs/staging/specs/...#anchor>
ACCEPTANCE: <test or cmd>
EXTRA: <only what's NOT in referenced files>ROLE is required. See role charters below for what each role owns and does not own.
MODEL is optional. Omitted → uses harness default. Resolution: .praxis/model-tiers.yaml in project root or user home maps the three tiers (fast, balanced, strongest) to concrete model IDs. No config file → all subagents use harness default.
Pasting >10 lines from the spec? Stop - let the subagent read it.
Expand milestone → atomic steps at dispatch time, not in the plan.
One task has one repository and module write scope. Agents may read shared coordinator contracts, but must not edit another module or repository. Never dispatch two writers to overlapping module roots. Integration tasks are dispatched only after every required module reports local acceptance.
implementer → on DONE: spec-reviewer (matches spec?) → quality-reviewer (review) → mark complete, continue.
The coordinator marks - [x], never the subagent.
DONE_WITH_CONCERNS - address if correctness; note if observation.NEEDS_CONTEXT - supply the fact, re-dispatch.BLOCKED - diagnose (missing context / stronger model / too big / plan wrong). Never silently retry.MODEL: fast | balanced | strongest — optional, omitted → harness default.
Resolved via .praxis/model-tiers.yaml in project root or user home. Template at Praxis repo root: model-tiers.example.yaml.
The coordinator decides the tier at dispatch time based on task complexity — it is not hardcoded per role. The role charters below list defaults; override when:
| Scenario | Tier | Examples |
|---|---|---|
| Mechanical edits, simple checks | fast | rename a constant, fix a typo, pattern-match review |
| Standard implementation, single-file feature | balanced | add a function, modify one module, write routine tests |
| Multi-file refactor, concurrency/state-machine, safety review | strongest | implement a protocol, review crash-recovery, cross-module integration |
balanced. Override to fast for mechanical edits, strongest for multi-file protocol/state-machine implementation.fast. Override to balanced when spec has ≥3 cross-referencing rules or state enums.review skill against the diff — convention compliance, simplification opportunities, idiomatic patterns, security, scope.strongest. Override to balanced for single-file changes where deep reasoning is unnecessary.- [x].All done → review whole diff → ship.
© hashgraph-online, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Just SKILL.md in plugins/ouonet/praxis/skills/subagents of hashgraph-online/awesome-codex-plugins.
Open the folder on GitHubat commit 78497e5
Subagents 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 |
|---|---|---|---|---|---|---|
| Subagents this skillhashgraph-online/awesome-codex-plugins | 1.2k | — | ~1.1k | Automated safety check: Pass | Apache-2.0 | |
| Claude Code Agent Developmentanthropics/claude-plugins-official | 38k | 8 repos | ~2.8k | Automated safety check: Pass | Apache-2.0 | |
| Subagent Driven DevelopmentAsvarox/allkaraoke | 261 | 38 repos | ~1.2k | Automated safety check: Pass | None | |
| Dispatching Parallel Agentsultralisp/ultralisp | 258 | 41 repos | ~1.5k | Automated safety check: Pass | None | |
| Paseo Advisor Second Opiniongetpaseo/paseo | 20k | 1 repos | ~756 | Automated safety check: Pass | Custom licence | |
| Task Observerrebelytics/one-skill-to-rule-them-all | 3.2k | 1 repos | ~12k | Automated safety check: Pass | CC-BY-4.0 |
anthropics/claude-plugins-official
Explains how to write agents for Claude Code plugins: the markdown file with YAML frontmatter, trigger descriptions, model and color settings, and system prompt design.
Asvarox/allkaraoke
A skill your agent uses when executing implementation plans with independent tasks in the current session
ultralisp/ultralisp
A skill your agent uses when facing 2+ independent tasks that can be worked on without shared state or sequential dependencies
getpaseo/paseo
Launches one separate agent through Paseo to give a second opinion on the current task, with a self-contained briefing and no permission to edit files.
rebelytics/one-skill-to-rule-them-all
Monitors task execution for skill improvement opportunities.
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.
hashgraph-online/awesome-codex-plugins
Create original anime-style reaction stickers as looping GIFs and MP4 previews, using generated character pose sheets and timed key poses.
hashgraph-online/awesome-codex-plugins
Manage and query Calibre libraries with the calibredb CLI (local paths or Calibre Content server URLs).
hashgraph-online/awesome-codex-plugins
A skill your agent uses when adding, changing, testing, or debugging Rust HTTP APIs and services, especially when Codex needs black-box integration tests, random-port app startup, real database test…
hashgraph-online/awesome-codex-plugins
Make a studio's game look like something at build time — a cover from a real frame of the game (free), painted covers, backdrops, textures and character plates from image models through the…
hashgraph-online/awesome-codex-plugins
Balance game difficulty, resources, rewards, probability, progression, economies, and dominant strategies.
hashgraph-online/awesome-codex-plugins
Analyze nonfiction manuscripts for reader engagement signals, including heading-level word counts, slow starts, long slogs, weak takeaway titles, value pacing, beta-reader comment dropoff, and…
Categories
A skill your agent uses when a plan has parallel tasks and the harness supports dispatching subagents. Subagents is an agent skill from hashgraph-online/awesome-codex-plugins. Use when a plan has parallel tasks and the harness supports dispatching subagents.
Subagents fits situations like: A plan has parallel tasks and the harness supports dispatching subagents; tasks that involve Subagents.
Run `npx skills add hashgraph-online/awesome-codex-plugins --skill subagents -a claude-code`. Or copy the skill folder (plugins/ouonet/praxis/skills/subagents in hashgraph-online/awesome-codex-plugins) into .claude/skills/subagents in your project. Claude Code loads it when a task matches its description.
Run `npx skills add hashgraph-online/awesome-codex-plugins --skill subagents -a codex`. Or copy the skill folder (plugins/ouonet/praxis/skills/subagents in hashgraph-online/awesome-codex-plugins) into .agents/skills/subagents in your project. Codex loads it when a task matches its description.
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add hashgraph-online/awesome-codex-plugins --skill subagents -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/subagents, .gemini/skills/subagents, .github/skills/subagents and .opencode/skills/subagents in your project.
SKILL.md names no scripts, command-line tools or credentials: Subagents is instructions for the agent only.
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.
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.
Subagents is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.
About 1.1k tokens (SKILL.md is roughly 4.3k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.
Skills that share tags, products or a category with Subagents: Claude Code Agent Development (anthropics/claude-plugins-official, 38k stars), Subagent Driven Development (Asvarox/allkaraoke, 261 stars), Dispatching Parallel Agents (ultralisp/ultralisp, 258 stars) and Paseo Advisor Second Opinion (getpaseo/paseo, 20k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
hashgraph-online (a GitHub organization) maintains it in hashgraph-online/awesome-codex-plugins, which has 1,242 GitHub stars. The repository holds 686 skills in this directory. The repository was last updated on October 8, 2026.
Source: hashgraph-online/awesome-codex-plugins on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.