46 lines
1.8 KiB
Markdown
46 lines
1.8 KiB
Markdown
---
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title: "BMad Builder (BMB)"
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description: Create custom agents, workflows, and modules for BMad
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---
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Create custom agents, workflows, and modules for BMad — from simple personal assistants to full-featured professional tools.
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## Quick Start
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| Resource | Description |
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|----------|-------------|
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| **[Agent Creation Guide](/docs/tutorials/advanced/create-custom-agent.md)** | Step-by-step guide to building your first agent |
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| **[Install Custom Modules](/docs/how-to/installation/install-custom-modules.md)** | Installing standalone simple and expert agents |
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## Agent Architecture
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| Type | Description |
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|------|-------------|
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| **Simple Agent** | Self-contained, optimized, personality-driven |
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| **Expert Agent** | Memory, sidecar files, domain restrictions |
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| **Module Agent** | Workflow integration, professional tools |
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## Key Concepts
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Agents are authored in YAML with Handlebars templating. The compiler auto-injects:
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1. **Frontmatter** — Name and description from metadata
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2. **Activation Block** — Steps, menu handlers, rules
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3. **Menu Enhancement** — `*help` and `*exit` commands added automatically
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4. **Trigger Prefixing** — Your triggers auto-prefixed with `*`
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:::note[Learn More]
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See [Custom Content Types](/docs/explanation/bmad-builder/custom-content-types.md) for detailed explanations of all content categories.
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:::
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## Reference Examples
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Production-ready examples available in the BMB reference folder:
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| Agent | Type | Description |
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|-------|------|-------------|
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| **commit-poet** | Simple | Commit message artisan with style customization |
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| **journal-keeper** | Expert | Personal journal companion with memory and pattern recognition |
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| **security-engineer** | Module | BMM security specialist with threat modeling |
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| **trend-analyst** | Module | CIS trend intelligence expert |
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