Fs MCP Rs vs Next Devtools MCP
A side-by-side look at the Fs MCP Rs and Next Devtools MCP 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 Next Devtools MCP for developer tools 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 Next Devtools MCP when
- You need dedicated capabilities in the Developer Tools domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: No auth required.
- You want tools like
nextjs_index, nextjs_call, nextjs_docs.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | File Systems | Developer Tools |
| Quality signal | 57/100 · Good | 86/100 · 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 | 832 |
| Directory activity | 4 views 0 installs 0 upvotes | 9 views 0 installs 1 upvotes |
| Tools | 21 | 4 |
| Full listing | View Fs MCP Rs | View Next Devtools MCP |
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
Next Devtools MCP tools 4
nextjs_indexDiscover running Next.js dev servers and list each one's runtime MCP tools.nextjs_callCall a runtime tool on a discovered server (errors, routes, logs, Server Actions).nextjs_docsGateway.** Point the agent at version-accurate docs in `node_modules/next/dist/docs/`.browser_evalGateway.** Point the agent at the [`agent-browser`](https://github.com/vercel-labs/agent-browser) CLI for browser automation.
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"
]
}
}
}
Next Devtools MCP
{
"mcpServers": {
"vercel-next-devtools-mcp": {
"command": "npx",
"args": [
"-y",
"next-devtools-mcp@latest"
]
}
}
}
Frequently asked questions
Fs MCP Rs is categorized under File Systems and uses a local stdio subprocess. Next Devtools MCP belongs to Developer Tools and uses a local stdio subprocess. Pick Fs MCP Rs for file systems work and Next Devtools MCP for developer tools.
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. Next Devtools MCP 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 vercel-next-devtools-mcp 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. Next Devtools MCP has 86/100 (Excellent) with 9 views, 0 installs and 832 GitHub stars.
