Search Tools

作者 parcadeid07ff4b06b62無授權條款3.9K 個星標收錄於 2026年10月8日更新於 2026年10月8日儲存庫8 個月前更新

Search Tool Hierarchy

僅含說明Software Development

AI 產生的概覽

指導代理在語意、結構、文字與字面程式碼搜尋工具之間做選擇。

功能: 此技能提供決策樹與比較表，用來選擇程式碼搜尋方式：LEANN 用於語意或概念查詢，AST-grep 用於結構模式，Morph 用於快速文字搜尋，內建 Grep 工具則用於字面模式。它列出每種工具的範例查詢，並展示 LEANN 命令列在搜尋、列出與重建索引方面的用法。它產出的是指引，而不是檔案或程式碼。
適用情境: 當代理需要搜尋程式碼庫，且必須判斷哪種搜尋方式適合當前查詢時使用，例如關於某功能如何運作的概念性問題、結構性重構模式或簡單的字面查找。在需要理解語意搜尋鉤子或回退行為時也適用。
執行需求: 不含指令碼，僅為說明性指示。依其指引操作可能需要 LEANN 工具與已建置的索引、AST-grep MCP 伺服器、Morph API 金鑰或內建 Grep 工具。

Search Tool Hierarchy

When searching code, use this decision tree:

Decision Tree

Need CONCEPTUAL/SEMANTIC search?  (how does X work, find patterns, understand architecture)  → Use LEANN (/leann-search) - embedding-based semantic search  → PreToolUse hook auto-redirects semantic Grep queries
Need to understand code STRUCTURE?  (find function calls, class usages, refactor patterns)  → Use AST-grep (/ast-grep-find)
Need to find TEXT in code?  → Use Morph (/morph-search) - 20x faster  → If no Morph API key: fall back to Grep tool
Simple one-off search?  → Use built-in Grep tool directly

Need CONCEPTUAL/SEMANTIC search?  (how does X work, find patterns, understand architecture)  → Use LEANN (/leann-search) - embedding-based semantic search  → PreToolUse hook auto-redirects semantic Grep queries
Need to understand code STRUCTURE?  (find function calls, class usages, refactor patterns)  → Use AST-grep (/ast-grep-find)
Need to find TEXT in code?  → Use Morph (/morph-search) - 20x faster  → If no Morph API key: fall back to Grep tool
Simple one-off search?  → Use built-in Grep tool directly

Tool Comparison

Tool	Best For	Requires
LEANN	Semantic search: "how does caching work", "error handling patterns", conceptual queries	Index built
AST-grep	Structural patterns: "find all calls to `foo()`", refactoring, find usages by type	MCP server
Morph	Fast text search: "find files mentioning error", grep across codebase	API key
Grep	Literal patterns, class/function names, regex	Nothing (built-in)

Examples

LEANN (semantic/conceptual):

"how does authentication work"
"find error handling patterns"
"where is rate limiting implemented"

AST-grep (structural):

"Find all functions that return a Promise"
"Find all React components using useState"
"Refactor all imports of X to Y"

Morph (text search):

"Find all files mentioning 'authentication'"
"Search for TODO comments"

Grep (literal):

class ProviderAdapter
def __init__
Regex patterns

LEANN Commands

bash

# Search with semantic queryleann search opc-dev "how does blackboard communication work" --top-k 5
# List available indexesleann list
# Rebuild index (when code changes)leann build opc-dev --docs dir1 dir2 --no-recompute --no-compact --force

# Search with semantic queryleann search opc-dev "how does blackboard communication work" --top-k 5
# List available indexesleann list
# Rebuild index (when code changes)leann build opc-dev --docs dir1 dir2 --no-recompute --no-compact --force

來源與署名

來源：parcadei/continuous-claude-v3位於.claude/skills/archive/search-tools提交d07ff4b

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Search Tools

Search Tool Hierarchy

Decision Tree

Tool Comparison

Examples

LEANN Commands

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