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Search Tool Hierarchy
npx skill4agent add parcadei/continuous-claude-v3 search-hierarchyQuery Type?
├── STRUCTURAL (code patterns)
│ → AST-grep (~50 tokens output)
│ Examples: "def foo", "class Bar", "import X", "@decorator"
│
├── SEMANTIC (conceptual questions)
│ → LEANN (~100 tokens if path-only)
│ Examples: "how does auth work", "find error handling patterns"
│
├── LITERAL (exact identifiers)
│ → Grep (variable output)
│ Examples: "TemporalMemory", "check_evocation", regex patterns
│
└── FULL CONTEXT (need complete understanding)
→ Read (1500+ tokens)
Last resort after finding the right file| Tool | Output Size | Best For |
|---|---|---|
| AST-grep | ~50 tokens | Function/class definitions, imports, decorators |
| LEANN | ~100 tokens | Conceptual questions, architecture, patterns |
| Grep | ~200-2000 | Exact identifiers, regex, file paths |
| Read | ~1500+ | Full understanding after finding the file |
grep-to-leann.sh# STRUCTURAL → AST-grep
ast-grep --pattern "async def $FUNC($$$):" --lang python
# SEMANTIC → LEANN
leann search opc-dev "how does authentication work" --top-k 3
# LITERAL → Grep
Grep pattern="check_evocation" path=opc/scripts
# FULL CONTEXT → Read (after finding file)
Read file_path=opc/scripts/z3_erotetic.py1. AST-grep: "Find async functions" → 3 file:line matches
2. Read: Top match only → Full understanding
3. Skip: 4 irrelevant files → 6000 tokens saved