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Filesystem Skill

Claude Code Built-in Tools

Reading Files

Read Tool : Read file contents

Read file_path="/path/to/file.txt"

Options:

• offset: Start line (for large files)
• limit: Number of lines to read

Finding Files

Glob Tool : Find files by pattern

Glob pattern="**/*.ts"

Common patterns:

• **/*.ts - All TypeScript files
• src/**/*.tsx - React components in src
• **/test*.js - Test files anywhere

Searching Content

Primary Search : Use pnpm search:code "query" or Skill({ skill: 'ripgrep' }) for content searching. The built-in Grep tool is fallback-only.

Grep Tool : Search file contents (fallback only — prefer pnpm search:code or ripgrep skill first)

Grep pattern="function myFunc" path="/src"

Options:

• output_mode: "content", "files_with_matches", or "count"
• -A, -B, -C: Context lines

Writing Files

Write Tool : Create or overwrite files

Write file_path="/path/to/file.txt" content="..."

Edit Tool : Modify existing files

Edit file_path="/path/to/file.txt" old_string="..." new_string="..."

Directory Operations

Bash Tool : For directory operations

# List directory
ls -la /path/to/dir

# Create directory
mkdir -p /path/to/new/dir

# Move/rename
mv /old/path /new/path

</execution_process>

<best_practices>

Common Workflows

Reading Multiple Files

# Read files in parallel (multiple Read calls in one message)
Read file_path="/src/app.ts"
Read file_path="/src/config.ts"
Read file_path="/src/utils.ts"

Search and Read

# 1. Find files
Glob pattern="**/*.config.ts"

# 2. Read matching files
Read file_path="/path/from/glob/result"

Find and Replace

# 1. Search for pattern
Grep pattern="oldFunction" path="/src"

# 2. Edit each file
Edit file_path="/src/file.ts" old_string="oldFunction" new_string="newFunction"

Best Practices

1. Read Before Edit : Always read a file before editing it
2. Use Glob Over Bash : Prefer Glob to find for file discovery
3. Search Tool Hierarchy : Use pnpm search:code or Skill({ skill: 'ripgrep' }) first; use the Grep tool as fallback over raw bash grep only
4. Parallel Reads : Read multiple files in one message for speed
5. Verify Changes : Read file after editing to verify

</best_practices>

Glob pattern="src/**/*.ts"
# Then read the results
Read file_path="/src/app.ts"

</usage_example>

<usage_example> Search for a function and edit it :

Grep pattern="export function oldName" path="/src"
# Found in /src/utils.ts:23

Edit file_path="/src/utils.ts" old_string="export function oldName" new_string="export function newName"

</usage_example>

Rules

• Always read files before editing
• Use built-in tools (Read, Glob, Grep) instead of bash equivalents
• Verify changes after editing

Memory Protocol (MANDATORY)

Before starting:

cat .claude/context/memory/learnings.md

After completing:

• New pattern -> .claude/context/memory/learnings.md
• Issue found -> .claude/context/memory/issues.md
• Decision made -> .claude/context/memory/decisions.md

ASSUME INTERRUPTION: Your context may reset. If it's not in memory, it didn't happen.

Weekly Installs

195

Repository

oimiragieo/agent-studio

GitHub Stars

17

First Seen

Jan 27, 2026

Security Audits

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Installed on

github-copilot192

gemini-cli190

opencode190

codex189

kimi-cli189

amp189