Expert Team
ReJeCtAll/ExpertTeam-Codex
专家团总路由器。用于 Codex CLI 的 $expert-team 调用. An agent skill from ReJeCtAll/ExpertTeam-Codex.
Route full software-development architecture work from product intent through design, implementation, testing, release, and operations.
Install Dev Architecture Playbook
$ npx skills add majiayu000/spellbook --skill dev-architecture-playbook -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install majiayu000/spellbook dev-architecture-playbook --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/majiayu000/spellbook.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/dev-architecture-playbook .claude/skills/dev-architecture-playbook && 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 "dev-architecture-playbook" agent skill from https://github.com/majiayu000/spellbook/tree/main/skills/dev-architecture-playbook into .claude/skills/dev-architecture-playbook/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "dev-architecture-playbook", 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/majiayu000/spellbook/tree/main/skills/dev-architecture-playbookType 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 majiayu000/spellbook --skill dev-architecture-playbook -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install majiayu000/spellbook dev-architecture-playbook --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/majiayu000/spellbook.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/dev-architecture-playbook .agents/skills/dev-architecture-playbook && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "dev-architecture-playbook" agent skill from https://github.com/majiayu000/spellbook/tree/main/skills/dev-architecture-playbook into .agents/skills/dev-architecture-playbook/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "dev-architecture-playbook", 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 majiayu000/spellbook --skill dev-architecture-playbook -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install majiayu000/spellbook dev-architecture-playbook --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/majiayu000/spellbook.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/dev-architecture-playbook .cursor/skills/dev-architecture-playbook && 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 "dev-architecture-playbook" agent skill from https://github.com/majiayu000/spellbook/tree/main/skills/dev-architecture-playbook into .cursor/skills/dev-architecture-playbook/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "dev-architecture-playbook", 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/majiayu000/spellbook.git --path skills/dev-architecture-playbook--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 majiayu000/spellbook --skill dev-architecture-playbook -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install majiayu000/spellbook dev-architecture-playbook --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/majiayu000/spellbook.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/dev-architecture-playbook .gemini/skills/dev-architecture-playbook && 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 "dev-architecture-playbook" agent skill from https://github.com/majiayu000/spellbook/tree/main/skills/dev-architecture-playbook into .gemini/skills/dev-architecture-playbook/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "dev-architecture-playbook", 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 majiayu000/spellbook dev-architecture-playbookInstalls 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 majiayu000/spellbook --skill dev-architecture-playbook -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/majiayu000/spellbook.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/dev-architecture-playbook .github/skills/dev-architecture-playbook && 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 "dev-architecture-playbook" agent skill from https://github.com/majiayu000/spellbook/tree/main/skills/dev-architecture-playbook into .github/skills/dev-architecture-playbook/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "dev-architecture-playbook", 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 majiayu000/spellbook --skill dev-architecture-playbook -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install majiayu000/spellbook dev-architecture-playbook --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/majiayu000/spellbook.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/dev-architecture-playbook .opencode/skills/dev-architecture-playbook && 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 "dev-architecture-playbook" agent skill from https://github.com/majiayu000/spellbook/tree/main/skills/dev-architecture-playbook into .opencode/skills/dev-architecture-playbook/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "dev-architecture-playbook", 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
dev-architecture-playbook- GitHub stars
- 287
- Token cost
- ~848 tokens
- SKILL.md length
- 325 words
- Files
- 2
- Skills in repo
- 97
- Repo updated
- First seen
- Licence
- MIT
At a glance
Route full software-development architecture work from product intent through design, implementation, testing, release, and operations.
- Works in 7 steps: Goal and non-goals. → Domain model and ownership boundaries. → External API, data, and config contracts. → …
- The user asks for a complete development architecture
- SKILL.md covers Purpose, Route, Required Gates and Execution Pattern, plus 1 more section
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
Dev Architecture Playbook is an agent skill from majiayu000/spellbook. Route full software-development architecture work from product intent through design, implementation, testing, release, and operations. Use when the user asks for a complete development architecture, wants to know which Spellbook skills to combine, needs an execution path across PRD/spec/API/data/security/performance/release/SRE, or asks to turn an idea or repo into a production-ready engineering plan.
Its SKILL.md is about 850 tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files (for example `agents/openai.yaml`).
It sits in DevOps & Cloud, covering Site reliability engineering and PRD writing. The repository describes itself as: Cross-runtime skills for Claude Code, Codex, and multi-agent workflows. The licence is MIT.
When your agent uses it
- The user asks for a complete development architecture
- Wants to know which Spellbook skills to combine
- Needs an execution path across PRD/spec/API/data/security/performance/release/SRE
- Asks to turn an idea
Example prompts
- “/dev-architecture-playbook”
Workflow steps
7 steps, taken from the first numbered list in SKILL.md.
- Goal and non-goals.
- Domain model and ownership boundaries.
- External API, data, and config contracts.
- Security and permission model.
- Test strategy with command-level verification.
- Release, rollback, and migration gates.
- Observability, SLO, and incident response.
What it can do on your machine
Read from SKILL.md and the folder at commit ed52af7. 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.
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
Dev Architecture Playbook loads about 848 tokens when it runs. Until then it costs about 108 tokens; SKILL.md has 325 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
The full file from majiayu000/spellbook at commit ed52af7, republished under its MIT licence (© majiayu000). 325 words, ~848 tokens.
Download SKILL.mdSave it as
.claude/skills/dev-architecture-playbook/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.- name
- dev-architecture-playbook
- description
- Route full software-development architecture work from product intent through design, implementation, testing, release, and operations. Use when the user asks for a complete development architecture, wants to know which Spellbook skills to combine, needs an execution path across PRD/spec/API/data/security/performance/release/SRE, or asks to turn an idea or repo into a production-ready engineering plan.
Dev Architecture Playbook
Purpose
Use this as the lifecycle router before starting broad product or architecture work. It chooses the minimum useful skill chain, defines gates, and prevents starting implementation before the required contracts exist.
Route
Classify the request first:
| Request | Primary Skills | Output |
|---|---|---|
| Idea, product direction, or market/user problem | product-discovery, prd-master | Product brief, user stories, success metrics |
| Architecture or module boundaries | architecture-foundation, technical-spec, elegant-architecture | Architecture spec, boundaries, rejected alternatives |
| API, auth, data, or schema contract | api-design, auth-security, database-patterns, data-contract-migrations | Versioned contracts and migration plan |
| UI/product surface | frontend-design, ui-ux-pro-max, ui-design-system, playwright-automation | UX flow, component plan, visual checks |
| Implementation workflow | flowguard, threads, systematic-debugging, comprehensive-testing | Bounded execution, ownership, root-cause debugging, and verification |
| Quality and regression risk | comprehensive-testing, codebase-audit, vibeguard, project-health-auditor | Test matrix and risk list |
| Release and operations | release-engineering, config-secrets-environments, performance-capacity, incident-slo-runbook, observability-sre, devops-excellence | Rollout, config, capacity, SLO, runbook |
Required Gates
Do not treat the architecture as complete until these gates are explicit:
- Goal and non-goals.
- Domain model and ownership boundaries.
- External API, data, and config contracts.
- Security and permission model.
- Test strategy with command-level verification.
- Release, rollback, and migration gates.
- Observability, SLO, and incident response.
If a gate is irrelevant, state why. Do not silently skip data, security, or rollback gates for production systems.
Execution Pattern
Use this sequence for greenfield or major refactors:
- Product: write the product brief or PRD.
- Architecture: define modules, runtime boundaries, and tradeoffs.
- Contracts: define API, data, config, and security contracts.
- Plan: split work into independently verifiable steps.
- Implement: use one workflow skill per step, not every skill at once.
- Verify: run build, typecheck, tests, and focused behavioral checks.
- Release: define rollout, migration, rollback, monitoring, and support owner.
For existing repos, start with repo-agent-context-audit or codebase-audit before proposing new structure.
Output Shape
Return a compact plan:
goal:
context:
selected_skill_chain:
architecture_gates:
implementation_steps:
verification_commands:
release_and_ops_gates:
open_risks:Prefer the smallest chain that covers the risk. Too many skills at once usually means the scope needs to be split.
© majiayu000, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Files
SKILL.md and 1 other file in skills/dev-architecture-playbook of majiayu000/spellbook.
- SKILL.md
- agents/openai.yaml
Open the folder on GitHubat commit ed52af7
Compare with similar skills
Dev Architecture Playbook 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 |
|---|---|---|---|---|---|---|
| Dev Architecture Playbook this skillmajiayu000/spellbook | 287 | — | ~848 | Automated safety check: Pass | MIT | |
| Expert TeamReJeCtAll/ExpertTeam-Codex | 113 | — | ~667 | Automated safety check: Pass | MIT | |
| Prd V08 Monitoring Setupmattgierhart/PRD-driven-context-engineering | 180 | — | ~3.8k | Automated safety check: Notes | MIT | |
| Skill Fusionmohitagw15856/pm-claude-skills | 1.4k | — | ~1k | Automated safety check: Pass | MIT | |
| Inference Autopilotrednote-machine-learning/Inference-autopilot | 144 | — | ~4.5k | Automated safety check: Pass | Apache-2.0 | |
| Executing Distributed System Testsshenli/distributed-system-testing | 231 | — | ~5.1k | Automated safety check: Notes | MIT |
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Related
Questions about Dev Architecture Playbook
What does Dev Architecture Playbook do?
Route full software-development architecture work from product intent through design, implementation, testing, release, and operations. Dev Architecture Playbook is an agent skill from majiayu000/spellbook. Route full software-development architecture work from product intent through design, implementation, testing, release, and operations.
When should I use Dev Architecture Playbook?
Dev Architecture Playbook fits situations like: the user asks for a complete development architecture; wants to know which Spellbook skills to combine; needs an execution path across PRD/spec/API/data/security/performance/release/SRE; asks to turn an idea.
How do I install Dev Architecture Playbook in Claude Code?
Run `npx skills add majiayu000/spellbook --skill dev-architecture-playbook -a claude-code`. Or copy the skill folder (skills/dev-architecture-playbook in majiayu000/spellbook) into .claude/skills/dev-architecture-playbook in your project. Claude Code loads it when a task matches its description.
How do I install Dev Architecture Playbook in Codex?
Run `npx skills add majiayu000/spellbook --skill dev-architecture-playbook -a codex`. Or copy the skill folder (skills/dev-architecture-playbook in majiayu000/spellbook) into .agents/skills/dev-architecture-playbook in your project. Codex loads it when a task matches its description.
Can I use Dev Architecture Playbook 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 majiayu000/spellbook --skill dev-architecture-playbook -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/dev-architecture-playbook, .gemini/skills/dev-architecture-playbook, .github/skills/dev-architecture-playbook and .opencode/skills/dev-architecture-playbook in your project.
What does Dev Architecture Playbook need to run?
SKILL.md names no scripts, command-line tools or credentials: Dev Architecture Playbook is instructions for the agent only.
Does Dev Architecture Playbook 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 Dev Architecture Playbook 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 Dev Architecture Playbook use?
Dev Architecture Playbook is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Dev Architecture Playbook use?
About 848 tokens (SKILL.md is roughly 3.4k 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 Dev Architecture Playbook?
Skills that share tags, products or a category with Dev Architecture Playbook: Expert Team (ReJeCtAll/ExpertTeam-Codex, 113 stars), Prd V08 Monitoring Setup (mattgierhart/PRD-driven-context-engineering, 180 stars), Skill Fusion (mohitagw15856/pm-claude-skills, 1.4k stars) and Inference Autopilot (rednote-machine-learning/Inference-autopilot, 144 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Dev Architecture Playbook?
majiayu000 (a GitHub user) maintains it in majiayu000/spellbook, which has 287 GitHub stars. The repository holds 97 skills in this directory. The repository was last updated on October 8, 2026.
Source: majiayu000/spellbook on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.