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MCP Filesystem Server Ultra-Fast

Ultra-fast filesystem operations for Claude Desktop with zero timeouts

Version 4.0.0 - The fastest and most secure MCP filesystem server for Claude Desktop. 16 unified tools with MCP spec-compliant annotations.

Ultra-Fast Performance

2016 ops/sec with 98.9% cache hit rate. Zero timeouts, zero blocking.

Intelligent Operations

Automatic file size detection and strategy selection. No manual configuration needed.

77% Token Reduction

Compact mode saves massive tokens. 58k to 13k tokens in typical sessions.

Security Hardened

Go 1.26.0 with multiple vulnerabilities fixed. Symlink protection, TOCTOU fixes.

  • Intelligent auto-optimization: Detects file size and chooses best strategy
  • Streaming operations: Handle files of ANY size without blocking
  • Recovery system: 95% success rate with automatic error recovery
  • 77% reduction with smart truncation
  • 65-75% reduction with compact mode
  • Read ranges: 99% token savings for large files
  • Backup system: Persistent backups with risk assessment
  • Batch operations: Atomic operations with rollback
  • Hooks system: Pre/post operation custom commands
  • WSL integration: Automatic path conversion and sync
Terminal window
# Build
go build -ldflags="-s -w" -trimpath -o filesystem-ultra.exe .
# Run with optimized settings
./filesystem-ultra-v4.exe --compact-mode --cache-size 200MB --parallel-ops 8

Configure in Claude Desktop:

{
"mcpServers": {
"filesystem-ultra": {
"command": "C:\\path\\to\\filesystem-ultra-v4.exe",
"args": [
"--compact-mode",
"--cache-size", "200MB",
"--parallel-ops", "8",
"C:\\your\\allowed\\path\\"
]
}
}
}

Installation

Get up and running quickly

Core Concepts

Understand the intelligent system

API Reference

Explore all 16 unified tools

Examples

Real-world usage examples