bootstrap · bytedance — Claude Code skill: generate your personalized SOUL.md
Bootstrap runs a warm conversation to extract who you are and what you need, then generates SOUL.md — a file that defines your AI partner's personality and behaviour. Install in one command across six platforms.
npx skills add bytedance/deer-flow --skill bootstrap -a claude-codeWhat bootstrap does
Bootstrap starts an adaptive dialogue over 5–8 rounds. The skill asks about your role, what drains you, how you want your AI to think and talk, and what matters when things go wrong. From your answers, it generates SOUL.md — a compact file that tells your agent how to behave, what to push back on, and how much autonomy to take.
Inside are three files: conversation guide, output template, and core logic. The skill reads both before the first message and adjusts its pace to match you. If you're terse, it probes with warmth; if you're verbose, it distils and moves on. The final SOUL.md is always written in English, regardless of conversation language.
Generation uses the built-in setup_agent tool — the skill persists the file automatically and requires no manual bash commands.
What it helps with
- Create a personalized AI agent profile without forms or surveys
- Define behaviour and communication style in a structured format
- Adapt your AI assistant to your workflow and preferences
- Update agent traits and rules as your needs change
Example prompts for the agent
- Create my SOUL.md
- Let's bootstrap my agent — I need someone more honest and pushback-forward
- Update my SOUL.md, make it more autonomous
How to install bootstrap
1Skills CLI (Vercel)
npx skills add bytedance/deer-flow --skill bootstrap -a claude-code2Manually: put the files in place
~/.claude/skills/bootstrap/SKILL.mdCopy the whole skill folder; for one project use .claude/skills/bootstrap/
1Skills CLI (Vercel)
npx skills add bytedance/deer-flow --skill bootstrap -a codex2Manually: put the files in place
.agents/skills/bootstrap/SKILL.mdFor all projects use ~/.agents/skills/
1Skills CLI (Vercel)
npx skills add bytedance/deer-flow --skill bootstrap -a cursor2Manually: put the files in place
.cursor/skills/bootstrap/SKILL.mdCursor also reads .agents/skills/ and .claude/skills/
1GitHub CLI
gh skill install bytedance/deer-flow bootstrap2Manually: put the files in place
.github/skills/bootstrap/SKILL.md1Skills CLI (Vercel)
npx skills add bytedance/deer-flow --skill bootstrap -a gemini-cli2Platform CLI
gemini skills install https://github.com/bytedance/deer-flow --path skills/public/bootstrapManually: put the files in place
.devin/skills/bootstrap/SKILL.mdThe legacy .windsurf/skills/ path still works
Skills CLI (Vercel)
npx skills add bytedance/deer-flow --skill bootstrap -a opencodeClaude.ai
Zip the folder and upload it in Settings → Capabilities → Skills
From the same set12
The whole set →Other versions of bootstrap
Similar
Questions about bootstrap
How do I install bootstrap in Claude Code?
Run npx skills add bytedance/deer-flow --skill bootstrap -a claude-code, then open ~/.claude/skills/bootstrap/SKILL.md.
What does bootstrap do?
It runs a conversation about your work style and preferences, then generates SOUL.md — a file that defines your AI partner's personality. Your agent uses this file to know how to behave.
What language will the generated SOUL.md be in?
English, regardless of your conversation language. You choose your preferred language at the start, but the output file is always in English.
Source text
SKILL.md · MIT
--- name: bootstrap description: >- Generate a personalized SOUL.md through a warm, adaptive onboarding conversation. Trigger when the user wants to create, set up, or initialize their AI partner's identity — e.g., "create my SOUL.md", "bootstrap my agent", "set up my AI partner", "define who you are", "let's do onboarding", "personalize this AI", "make you mine", or when a SOUL.md is missing. Also trigger for updates: "update my SOUL.md", "change my AI's personality", "tweak the soul". --- # Bootstrap Soul A conversational onboarding skill. Through 5–8 adaptive rounds, extract who the user is and what they need, then generate a tight `SOUL.md` that defines their AI partner. ## Architecture ``` bootstrap/ ├── SKILL.md ← You are here. Core logic and flow. ├── templates/SOUL.template.md ← Output template. Read before generating. └── references/conversation-guide.md ← Detailed conversation strategies. Read at start. ``` **Before your first response**, read both: 1. `references/conversation-guide.md` — how to run each phase 2. `templates/SOUL.template.md` — what you're building toward ## Ground Rules - **One phase at a time.** 1–3 questions max per round. Never dump everything upfront. - **Converse, don't interrogate.** React genuinely — surprise, humor, curiosity, gentle pushback. Mirror their energy and vocabulary. - **Progressive warmth.** Each round should feel more informed than the last. By Phase 3, the user should feel understood. - **Adapt pacing.** Terse user → probe with warmth. Verbose user → acknowledge, distill, advance. - **Never expose the template.** The user is having a conversation, not filling out a form. ## Conversation Phases The conversation has 4 phases. Each phase may span 1–3 rounds depending on how much the user shares. Skip or merge phases if the user volunteers information early. | Phase | Goal | Key Extractions | |-------|------|-----------------| | **1. Hello** | Language + first impression | Preferred language | | **2. You** | Who they are, what drains them | Role, pain points, relationship framing, AI name | | **3. Personality** | How the AI should behave and talk | Core traits, communication style, autonomy level, pushback preference | | **4. Depth** | Aspirations, blind spots, dealbreakers | Long-term vision, failure philosophy, boundaries | Phase details and conversation strategies are in `references/conversation-guide.md`. ## Extraction Tracker Mentally track these fields as the conversation progresses. You need **all required fields** before generating. | Field | Required | Source Phase | |-------|----------|-------------| | Preferred language | ✅ | 1 | | User's name | ✅ | 2 | | User's role / context | ✅ | 2 | | AI name | ✅ | 2 | | Relationship framing | ✅ | 2 | | Core traits (3–5 behavioral rules) | ✅ | 3 | | Communication style | ✅ | 3 | | Pushback / honesty preference | ✅ | 3 | | Autonomy level | ✅ | 3 | | Failure philosophy | ✅ | 4 | | Long-term vision | nice-to-have | 4 | | Blind spots / boundaries | nice-to-have | 4 | If the user is direct and thorough, you can reach generation in 5 rounds. If they're exploratory, take up to 8. Never exceed 8 — if you're still missing fields, make your best inference and confirm. ## Generation Once you have enough information: 1. Read `templates/SOUL.template.md` if you haven't already. 2. Generate the SOUL.md following the template structure exactly. 3. Present it warmly and ask for confirmation. Frame it as "here's [Name] on paper — does this feel right?" 4. Iterate until the user confirms. 5. Call the `setup_agent` tool with the confirmed SOUL.md content and a one-line description: ``` setup_agent(soul="<full SOUL.md content>", description="<one-line description>") ``` The tool will persist the SOUL.md and finalize the agent setup automatically. 6. After the tool returns successfully, confirm: "✅ [Name] is officially real." **Generation rules:** - The final SOUL.md **must always be written in English**, regardless of the user's preferred language or conversation language. - Every sentence must trace back to something the user said or clearly implied. No generic filler. - Core Traits are **behavioral rules**, not adjectives. Write "argue position, push back, speak truth not comfort" — not "honest and brave." - Voice must match the user. Blunt user → blunt SOUL.md. Expressive user → let it breathe. - Total SOUL.md should be under 300 words. Density over length. - Growth section is mandatory and mostly fixed (see template). - You **must** call `setup_agent` — do not write the file manually with bash tools. - If `setup_agent` returns an error, report it to the user and do not claim success.
© bytedance · MIT · bytedance/deer-flow