Filesystem MCP Server

Provides file system operations, analysis, and manipulation through a standardized tool interface.

Local serverstdioTypeScript 6

What is the Filesystem MCP server?

Most file and storage access work still happens through a UI a human drives. Filesystem MCP server moves it into the conversation instead. Provides file system operations, analysis, and manipulation through a standardized tool interface.

The short version

A Model Context Protocol (MCP) server implementation providing file system operations, analysis, and manipulation capabilities through a standardized tool interface.

Getting it running

Setup follows the usual MCP pattern — install or clone the server, register it in your client's configuration file, restart the client.

The tools it exposes

The server publishes 14 tools. What each one is for:

  • Human — readable message
  • file-type — File type detection
  • mime-types — MIME type lookup
  • crypto-js — File hashing
  • archiver — ZIP creation
  • extract-zip — ZIP extraction
  • iconv-lite — Text encoding
  • chardet — Encoding detection
  • typescript — Type system
  • jest — Testing
  • eslint — Linting
  • prettier — Formatting

Things to watch

  • It runs with your machine's permissions. That is convenient and also the reason to think about what you point it at before you approve a tool call.
  • With 14 tools registered it takes up a noticeable share of the context window; turn it off in projects that never touch Filesystem.
  • Keep per-call confirmation enabled while you learn its behaviour; it is the cheapest safeguard you have.

How it compares

Among the file and storage access options, the useful question is rarely "what can it do" but "what does it cost you to run" — permissions, credentials, and how much of your context its toolset consumes. Filesystem's toolset — Human, file-type, mime-types and 11 more — is a fair guide to whether it matches your workflow. It is maintained by bsmi021; worth a glance at recent repository activity before you build anything load-bearing on it.

This entry was verified against Filesystem's own documentation before publication; SyncDev keeps the directory reviewed rather than auto-generated.

Available tools

ToolWhat it does
Humanreadable message
file-typeFile type detection
mime-typesMIME type lookup
crypto-jsFile hashing
archiverZIP creation
extract-zipZIP extraction
iconv-liteText encoding
chardetEncoding detection
typescriptType system
jestTesting
eslintLinting
prettierFormatting
ts-nodeTypeScript execution
nodemonDevelopment server

Example prompts to try

  • Use Filesystem to Human.
  • Use Filesystem to file-type.
  • Use Filesystem to mime-types.

Frequently asked questions

Filesystem can analyze text files to determine the line count, word count, character count, encoding, and MIME type. This information can be useful for understanding file properties and automating file processing workflows.