oakoss/agent-skills
Performs semantic code intelligence and token optimization through context engineering and automated context packing.
npx skills add oakoss/agent-skills --skill codebase-packager
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npx skills add oakoss/agent-skills
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SKILL.md
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SUMMARY.md
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Achieves high-fidelity codebase comprehension at a fraction of the token cost through semantic layers, structured digests, and advanced context packaging. Combines Repomix for context packing, Gitingest for repository digests, and llm-tldr for graph-based code analysis.
When to use: Reducing prompt overhead for large codebases, onboarding to unfamiliar repositories, mapping cross-file dependencies, creating AI-optimized context bundles.
When NOT to use: Small single-file tasks, final implementation debugging (read the full file), real-time code editing.
| Pattern | Tool / Command | Key Points |
|---|---|---|
| Context packing | repomix --include "src/**" --compress |
Package subdirectories into AI-optimized bundles |
| Signatures only | repomix --include "src/**" --compress |
Compression extracts signatures via Tree-sitter |
| Repository digest | gitingest . -o digest.txt |
Prompt-friendly summary for quick onboarding |
| Dependency context | tldr context funcName --project . |
LLM-ready context for a function with 95% token saving |
| Caller tracing | tldr impact functionName . |
Reverse call graph to assess change blast radius |
| Forward call graph | tldr calls . |
Build forward call graph across the project |
| Semantic search | tldr semantic "session expiry" . |
Find logic by meaning when naming is inconsistent |
| Architecture audit | tldr arch . |
Detect circular deps, layer violations, dead code |
| Dead code finder | tldr dead . |
Find unreachable functions with zero callers |
| File extraction | tldr extract src/file.ts |
Extract AST (functions, classes, imports) from a file |
| Secret scanning | Repomix built-in secretlint | Ensure context bundles contain no keys or PII |
| Mistake | Correct Pattern |
|---|---|
| Reading entire large files without checking structure first | Run tldr extract to get signatures before reading full files |
Using grep for dependency tracing across files |
Use tldr impact for reverse call graph that understands dynamic imports |
Packing node_modules or dist into context bundles |
Configure Repomix ignore-list to exclude generated and vendor directories |
| Assuming semantic search results are exhaustive | Verify top matches against actual source and cross-reference with rg |
| Running Repomix without compression on large directories | Use --compress flag to stay within context window limits |
| Including irrelevant context that dilutes signal quality | Follow top-down priority: index, signatures, core logic, then adjacent context |
Explore agent to map directory layout and identify key modules before building context bundlesTask agent to run Gitingest digest, Repomix compression, and llm-tldr indexing in sequencePlan agent to design context engineering strategy for large monorepos