Fs MCP Rs vs Filesystem
A side-by-side look at the Fs MCP Rs and Filesystem MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Fs MCP Rs for file systems work as a local process; choose Filesystem for file systems as a local process. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose Fs MCP Rs when
- You need dedicated capabilities in the File Systems domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: No auth required.
- You want tools like
list_directory, read_file, write_file.
Choose Filesystem when
- You need dedicated capabilities in the File Systems domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: No auth required.
- You want tools like
path, head, tail.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | File Systems | File Systems |
| Quality signal | 57/100 · Good | 85/100 · Excellent |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | No auth required | No auth required |
| Pricing | Free | Free |
| Required env vars | None listed | None listed |
| Verified owner | Community listing | Verified |
| GitHub stars | 8 | 91,487 |
| Directory activity | 4 views 0 installs 0 upvotes | 8 views 0 installs 0 upvotes |
| Tools | 21 | 17 |
| Full listing | View Fs MCP Rs | View Filesystem |
Tools & capabilities
Fs MCP Rs tools 21
list_directorylist direct children of a directory.read_fileread a UTF-8 byte range with explicit offset and length.write_fileatomically create or replace a UTF-8 file. Set `createParents: true` for a new nested path; the server safely creates missing parent directories after validating the allowed root. The default is `false`.search_filesfind paths whose file name contains a string.search_contentcase-insensitive literal or regex search in text files.get_capabilitiesreport sanitized effective limits, roots, protocol versions, and advertised tools.list_treereturn a bounded, deterministic, paginated flat directory tree.apply_patchatomically apply a validated single-file unified text diff; `dryRun` never mutates.file_inforeturn rich metadata and an optional bounded-streaming BLAKE3 digest.create_directorycreate one directory; parents must already exist.removeremove one file or an empty directory.hash_filecalculate a BLAKE3 file hash.- +9 more on the listing page
Filesystem tools 17
pathheadtailpathscontenteditsoldTextnewTextdryRunsortBysourcedestination- +5 more on the listing page
Ready-to-paste client configs
Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
Fs MCP Rs
{
"mcpServers": {
"fs-mcp-rs": {
"command": "npx",
"args": [
"-y",
"fs-mcp-rs"
]
}
}
}
Filesystem
{
"mcpServers": {
"filesystem": {
"command": "npx",
"args": [
"-y",
"@modelcontextprotocol/server-filesystem"
]
}
}
}
Frequently asked questions
Fs MCP Rs is categorized under File Systems and uses a local stdio subprocess. Filesystem belongs to File Systems and uses a local stdio subprocess. Pick Fs MCP Rs for file systems work and Filesystem for file systems.
Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.
Fs MCP Rs is listed as free. Auth: no auth required. Filesystem is listed as free. Auth: no auth required. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.
Yes. MCP clients support multiple servers: add fs-mcp-rs and filesystem as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Fs MCP Rs has a quality signal of 57/100 (Good) with 4 views, 0 installs and 8 GitHub stars. Filesystem has 85/100 (Excellent) with 8 views, 0 installs and 91,487 GitHub stars.
