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Filesystem vs Unterm

A side-by-side look at the Filesystem and Unterm MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.

Filesystem logoFilesystemFile Systems · Local subprocess (stdio)Secure file operations with configurable access controls.85ExcellentAuth: no auth requiredUnterm logoUntermCommand LineThe terminal AI agents can drive: spawn panes, run commands, read screens, scrolling screenshots.39FairAuth: api key required

Verdict: choose Filesystem for file systems work as a local process; choose Unterm for command line. You can also run both side by side in one mcpServers block.

Which MCP server should you choose?

Filesystem logoChoose 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.
Explore Filesystem

Unterm logoChoose Unterm when

  • You need dedicated capabilities in the Command Line domain.
  • Its auth model fits you: API key required.
Explore Unterm

Feature & specification comparison

Rows where the two servers differ are marked.

SpecFilesystem logoFilesystemUnterm logoUnterm
CategoryFile SystemsCommand Line
Quality signal85/100 · Excellent39/100 · Fair
Install commandConfirmedNot confirmed yet
TransportLocal subprocess (stdio)—
AuthNo auth requiredAPI key required
PricingFreeFree
Required env varsNone listedNone listed
Verified owner VerifiedCommunity listing
GitHub stars91,51214
Directory activity 10 views 0 installs 0 upvotes 1 views 0 installs 0 upvotes
Tools17Not listed
Full listingView Filesystem View Unterm

Tools & capabilities

Filesystem tools 17

  • path
  • head
  • tail
  • paths
  • content
  • edits
  • oldText
  • newText
  • dryRun
  • sortBy
  • source
  • destination
  • +5 more on the listing page

Unterm tools

No tool names declared yet. Check the project README from 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.

Filesystem

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "filesystem": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-filesystem"
      ]
    }
  }
}

Unterm

No confirmed install command for Unterm yet — follow the setup steps linked from its listing page rather than a guessed package name.

Frequently asked questions

Filesystem is categorized under File Systems and uses a local stdio subprocess. Unterm belongs to Command Line and uses an install path we have not confirmed yet. Pick Filesystem for file systems work and Unterm for command line.

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. Unterm has no confirmed install command yet — follow its own setup instructions.

Filesystem is listed as free. Auth: no auth required. Unterm is listed as free. Auth: api key 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 filesystem and unterm as separate keys in the same mcpServers object, and your assistant will call tools from either one.

On AllMCPs, Filesystem has a quality signal of 85/100 (Excellent) with 10 views, 0 installs and 91,512 GitHub stars. Unterm has 39/100 (Fair) with 1 views, 0 installs and 14 GitHub stars.

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