Filesystem vs Gx3 Cli MCP

A side-by-side look at the Filesystem and Gx3 Cli MCP 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 requiredGx3 Cli MCP logoGx3 Cli MCPIndustrial & IoT · Local subprocess (stdio)Read-only analysis of Mitsubishi Electric MELSEC PLC projects saved by GX Works3 (.gx3): trace why a coil never turns on through the ladder logic, find where a device is written and read, search by device comment, and separate conditions that arrive from physical inputs, HMI or network communication. Runs entirely locally and never modifies the project; no project-mutating command is exposed. Unofficial, not affiliated with Mitsubishi Electric.55GoodAuth: not declared

Verdict: choose Filesystem for file systems work as a local process; choose Gx3 Cli MCP for industrial & iot as a local process. 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

Gx3 Cli MCP logoChoose Gx3 Cli MCP when

  • You need dedicated capabilities in the Industrial & IoT domain.
  • You prefer a local stdio subprocess transport.
  • You have the keys it needs: GX3_7Z.
Explore Gx3 Cli MCP

Feature & specification comparison

Rows where the two servers differ are marked.

SpecFilesystem logoFilesystemGx3 Cli MCP logoGx3 Cli MCP
CategoryFile SystemsIndustrial & IoT
Quality signal85/100 · Excellent55/100 · Good
Install commandConfirmedConfirmed
TransportLocal subprocess (stdio)Local subprocess (stdio)
AuthNo auth requiredNot declared
PricingFreeNot declared
Required env varsNone listedGX3_7Z
Verified owner VerifiedCommunity listing
GitHub stars91,5128
Directory activity 11 views 0 installs 0 upvotes 8 views 0 installs 0 upvotes
Tools17Not listed

Tools & capabilities

Filesystem tools 17

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

Gx3 Cli MCP 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"
      ]
    }
  }
}

Gx3 Cli MCP

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "purinzan-gx3-cli-mcp": {
      "command": "uvx",
      "args": [
        "gx3-cli-mcp"
      ],
      "env": {
        "GX3_7Z": "YOUR_GX3_7Z_HERE"
      }
    }
  }
}

Frequently asked questions

Filesystem is categorized under File Systems and uses a local stdio subprocess. Gx3 Cli MCP belongs to Industrial & IoT and uses a local stdio subprocess. Pick Filesystem for file systems work and Gx3 Cli MCP for industrial & iot.

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.

Filesystem is listed as free. Auth: no auth required. Gx3 Cli MCP has no declared pricing — check the project's own site. 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 purinzan-gx3-cli-mcp 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 11 views, 0 installs and 91,512 GitHub stars. Gx3 Cli MCP has 55/100 (Good) with 8 views, 0 installs and 8 GitHub stars.