Individual skill
kg-extract
Extract entities and relations from source files to build a knowledge graph
plugins/ruflo-knowledge-graph/skills/kg-extract/SKILL.md
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# KG Extract
Extract entities (classes, functions, modules, types, concepts) and their relations (imports, extends, implements, depends-on, calls) from source files, then store them as a knowledge graph in AgentDB.
## When to use
When you need to build or update a knowledge graph from source code or documentation. Useful for understanding codebase structure, dependency analysis, and impact assessment.
## Steps
1. **Scan files** -- use `Glob` and `Read` to enumerate and read source files at the given path
2. **Identify entities** -- extract classes, functions, modules, types, and config references from each file
3. **Map relations** -- for each entity, determine its relations to other entities. **Critical: TypeScript `import type` and inline `type` specifiers (`import { type Foo, bar }`) are erased at compile time and MUST NOT be counted as value imports** -- they're a separate, weaker relation. Misclassifying them produces phantom runtime cycles (see ruvnet/ruflo#2049).
- `imports`: value imports (`import { x } from '...'`, `require(...)`) -- weight `0.9`