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CommunityFilesystem

Fast Filesystem MCP

by efforthye (community)

High-performance MCP server for secure filesystem operations. Optimised for large directories and bulk operations. 50 GitHub stars and 4 commits on main in the last 30 days.

50·6 tools·Released DEC 2025·Apache-2.0
npx -y fast-filesystem-mcp
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High-performance MCP server for secure filesystem operations. Optimised for large directories and bulk operations. 50 stars and 4 commits on main in the last 30 days.

Reviewed by M. Nouriel · MAY 2026

INSTALL THIS SERVER

{ "mcpServers": { "fast-filesystem": { "command": "npx", "args": [ "-y", "fast-filesystem-mcp" ], "env": { "FAST_FS_ROOT": "/Users/me/projects" } } } }
PrereqNPM: `fast-filesystem-mcp`. Set FAST_FS_ROOT to scope filesystem access. Path: ~/Library/Application Support/Claude/claude_desktop_config.json (macOS).
{ "mcpServers": { "fast-filesystem": { "command": "npx", "args": [ "-y", "fast-filesystem-mcp" ], "env": { "FAST_FS_ROOT": "/Users/me/projects" } } } }
{ "mcpServers": { "fast-filesystem": { "command": "npx", "args": [ "-y", "fast-filesystem-mcp" ], "env": { "FAST_FS_ROOT": "/Users/me/projects" } } } }
{ "mcpServers": { "fast-filesystem": { "command": "npx", "args": [ "-y", "fast-filesystem-mcp" ], "env": { "FAST_FS_ROOT": "/Users/me/projects" } } } }
{ "mcpServers": { "fast-filesystem": { "command": "npx", "args": [ "-y", "fast-filesystem-mcp" ], "env": { "FAST_FS_ROOT": "/Users/me/projects" } } } }

6 TOOLS AVAILABLE

read_file
Read a file with streaming support for large files
Read
write_file
Write a file atomically
Admin
list_directory
List a directory with metadata (size, mtime, type)
Read
search_files
Recursive search by content or filename pattern
Read
bulk_copy
Copy a set of files efficiently
Admin
get_file_metadata
Retrieve file metadata without reading content
Read

OUR ASSESSMENT

Strengths
  • Apache-2.0 license, 50 GitHub stars.
  • 4 commits on main in the last 30 days.
  • Streaming reads for large files.
  • Bulk-copy tool for multi-file operations.
  • FAST_FS_ROOT scopes filesystem access.
Weaknesses
  • Performance gains versus the reference filesystem MCP are noticeable on large repos but smaller on typical workspaces.
  • Community-maintained; tool surface less stable than the Anthropic reference.
  • 50 stars indicates moderate adoption.
Security Notes

Operator must set FAST_FS_ROOT to a directory boundary. Without it, the server can read any path. bulk_copy can clobber existing files; use a non-overlapping target directory for production agent flows.

Best For

Monorepos with thousands of files where reference filesystem MCPs lag; agents that bulk-copy or search across large directories; CI workflows that benefit from streaming reads on multi-MB files.

TECHNICAL DETAILS

Language
typescript
Transport
stdio
Clients
Claude DesktopClaude CodeCursorVS CodeWindsurf
License
Apache-2.0
npm
fast-filesystem-mcp
Last Release
fast-filesystem-mcp (npm latest)MAY 6, 2026
First Released
DEC 1, 2025

ADOPTION METRICS

// GitHub Stars
50

// Reading this50 stars on efforthye/fast-filesystem-mcp. 4 commits on main in the last 30 days.

// Popularity Rank
#4
Globally · #4 in Filesystem

// Reading thisPairs with filesystem (Anthropic reference), conduit-mcp, google-drive-mcp in filesystem category. Fast Filesystem covers high-volume workloads.

SOURCES & VERIFICATION

We don't take any single directory's word for it. Before scoring, we cross-reference 3 public MCP sources, install the server ourselves against the clients we cover, and record when we last re-verified.

01
Discovered
Manual submission
First indexed MAY 6, 2026
02
Cross-referenced
3 directories
PulseMCP, MCP.so, Glama
03
Verified against
Claude Desktop
Installed and tested across clients
04
Last re-checked
MAY 6, 2026
Weekly re-verification
// How other directories see it

The same server, 3 different lenses. We reconcile these signals into our editorial score, which is why our number sometimes diverges from a directory-aggregate star count.

SourceTheir ratingTheir star countTheir downloadsLast synced
AutomationSwitch This page4editorial50MAY 6, 2026
PulseMCP— unratedunavailableunavailableMAY 6, 2026
MCP.so— unratedunavailableunavailableMAY 6, 2026
Glama— unratedunavailableunavailableMAY 6, 2026

// Counts are directory-reported; we don't adjust them. Discrepancies usually come from different snapshot times or star-caching.

// Get in touch

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