Agent skill

capture-knowledge

Capture structured knowledge about a code entry point and save it to the knowledge docs. Use when users ask to document, understand, or map code for a module, file, folder, function, or API.

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Install this agent skill to your Project

npx add-skill https://github.com/codeaholicguy/ai-devkit/tree/main/skills/capture-knowledge

SKILL.md

Knowledge Capture Assistant

Build structured understanding of code entry points with an analysis-first workflow.

Hard Rule

  • Do not create documentation until the entry point is validated and analysis is complete.

Workflow

  1. Gather & Validate
  • Confirm entry point (file, folder, function, API), purpose, and desired depth.
  • Verify it exists; resolve ambiguity or suggest alternatives if not found.
  • Search for existing knowledge before analyzing: npx ai-devkit@latest memory search --query "<entry point name or purpose>"
  1. Collect Source Context
  • Summarize purpose, exports, key patterns.
  • Folders: list structure, highlight key modules.
  • Functions/APIs: capture signature, parameters, return values, error handling.
  1. Analyze Dependencies
  • Build dependency view up to depth 3, track visited nodes to avoid loops.
  • Categorize: imports, function calls, services, external packages.
  • Exclude external systems or generated code.
  1. Synthesize
  • Overview (purpose, language, high-level behavior).
  • Core logic, execution flow, patterns.
  • Error handling, performance, security considerations.
  • Improvements or risks discovered during analysis.
  1. Create Documentation
  • Normalize name to kebab-case (calculateTotalPricecalculate-total-price).
  • Create docs/ai/implementation/knowledge-{name}.md using the Output Template.
  • Include mermaid diagrams when they clarify flows or relationships.

Red Flags and Rationalizations

Rationalization Why It's Wrong Do Instead
"I already understand this code" Understanding ≠ documented understanding Write it down, then verify
"The code is self-documenting" Future readers lack your current context Capture the why, not just the what
"Dependencies are obvious" Implicit dependencies cause surprises Map them explicitly to depth 3

Validation

  • Documentation covers all Output Template sections.
  • Summarize key insights, open questions, and related areas for deeper dives.
  • Confirm file path and remind to commit.

Output Template

  • Overview
  • Implementation Details
  • Dependencies
  • Visual Diagrams (mermaid)
  • Additional Insights
  • Metadata (date, depth, files touched)
  • Next Steps

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