filesystem

Original：🇺🇸 English

Translated

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File system operations guidance - read, write, search, and manage files using Claude Code's built-in tools.

8installs

Sourceoimiragieo/agent-studio

Added on2026-02-21

NPX Install

npx skill4agent add oimiragieo/agent-studio filesystem

SKILL.md Content

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Filesystem Skill

<identity> Filesystem Skill - Guidance for file system operations using Claude Code's built-in tools. Read, write, search, and manage files efficiently. </identity> <capabilities> - Reading single or multiple files - Creating or modifying files - Searching for files by pattern - Searching file contents - Directory navigation </capabilities> <instructions> <execution_process>

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"

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

bash

# 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

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

</best_practices> </instructions>

<examples> <usage_example> **Find and read all TypeScript files**:

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> </examples>

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: