iflow-mcp_fs-mcp-py 0.1.1

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Filesystem MCP Server (v0.1)

A simple MCP server for filesystem operations with directory sandboxing and read-only mode support.

Early version (0.1) - not thoroughly tested/reviewed, use with caution

Quick Start

Install dependencies:

git clone <repo_url>
uv sync

Run the server:

# Normal mode - full filesystem access
uv run main.py /path/to/allowed/directory

# Read-only mode - no write operations  
uv run main.py --read-only /path/to/allowed/directory

Features

• Directory sandboxing (operations restricted to allowed paths)
• --read-only flag disables write operations
• Gitignore support for searches
• Human-readable error messages

Usage Examples

Normal Mode

uv run main.py ~/projects
# Provides: create_file, delete_file, move_file, edit_file, create_directory + read tools

Read-Only Mode

uv run main.py --read-only ~/projects
# Provides only: read_text_file, list_directory, search_files, grep, directory_tree

Multiple Directories

uv run main.py /home/user/docs /tmp/workspace
uv run main.py --read-only /var/log /etc/config

Available Tools

Read Operations (always available):

• read_text_file - Read file contents
• list_directory - List directory contents
• directory_tree - JSON directory structure
• search_files - Find files by pattern
• grep - Search text in files
• read_multiple_files - Bulk file reading

Write Operations (disabled in --read-only):

• create_file - Create new files
• delete_file - Delete files
• move_file - Move/rename files
• edit_file - Edit file contents
• create_directory - Create directories

Dependencies

From pyproject.toml:

• fastmcp>=2.11.2 - MCP framework
• pathspec>=0.12.1 - Gitignore patterns

Security Notes

• All paths resolved with Path.resolve() to prevent traversal
• Operations restricted to allowed directories only
• Binary files rejected for text operations