Filesystem MCP server
Secure filesystem MCP server for reading, writing, searching, diffing, and patching files.
A92/100grade A
Adoption
Established
22 stars535 downloads/wk
Reviews
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If you have run it, two minutes of your experience saves the next person an afternoon.
Filesystem MCP tools
No tool declarations could be read from the package source. They show once the server is installed.
Public scan report
scanner v0.1.5 · 2026-09-19 · same rubric, same numbers if you re-run it
no findings
- Code scan105 source files scanned25/25
- –Live reliabilityno gateway calls yet and no remote to proben/a
- –Tool poisoningtools not inspected (local package is not executed); not countedn/a
- Auth qualitylocal package, no credentials required12/15
- Maintenancelast push 2 days ago15/15
- Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10
Overall 92/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON
Install directly
Runs npx -y @j0hanz/filesystem-mcp on your machine. Read the scan report first; the gateway never runs local packages.
claude mcp add filesystem-mcp -- npx -y @j0hanz/filesystem-mcp
Filesystem MCP: common questions
- Is Filesystem MCP server safe?
- Yes, by our scan: it is graded A (92/100). Read the Filesystem MCP safety report
- How do I install Filesystem MCP?
- It runs on your machine. Copy the Claude Code, Claude Desktop or Cursor config from the install section.
- Does Filesystem MCP need an API key?
- No secret keys are declared. It reads 2 settings from the environment.
- Is Filesystem MCP maintained?
- The last commit was 3 days ago (2026-09-17). The latest release is v2.4.1.