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scopweb/mcp-filesystem-go-ultra

High-performance MCP filesystem server in Go — 17 tools, pipeline system, audit logging, dashboard, WSL support. For Claude Desktop and Claude Code.

↗ GitHub ★ 2 MIT updated today project Claude Code
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ARCHETYPE
Minimalist
Lean instructions, few tools, tiny context tax. Lets the model think.
CONTEXT TAX · EVERY TURN
~1.8k tokens
Featherweight · median rig: 2.3k · breakdown
GUARDRAILS
0/5
No committed guardrails · details

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# review before running: this installs third-party code
$ npx degit scopweb/mcp-filesystem-go-ultra/.claude ./rig-mcp-filesystem-go-ultra  # inspect, then merge into .claude/

MCP servers are added to Claude Code at local scope; env vars are shown as YOUR_… placeholders — we never store values. Files are fetched with degit into a separate folder so you can review before merging.

$ npx degit scopweb/mcp-filesystem-go-ultra/.claude/skills/filesystem-ultra-tools .claude/skills/filesystem-ultra-tools
$ curl -fsSL --create-dirs -o .claude/agents/fs-editor.md https://raw.githubusercontent.com/scopweb/mcp-filesystem-go-ultra/main/examples/harness/claude-code/.claude/agents/fs-editor.md
$ curl -fsSL --create-dirs -o .claude/agents/fs-explorer.md https://raw.githubusercontent.com/scopweb/mcp-filesystem-go-ultra/main/examples/harness/claude-code/.claude/agents/fs-explorer.md
$ curl -fsSL --create-dirs -o .claude/agents/fs-reviewer.md https://raw.githubusercontent.com/scopweb/mcp-filesystem-go-ultra/main/examples/harness/claude-code/.claude/agents/fs-reviewer.md

This rig commits no guardrails. Here is the community baseline instead — the deny/ask rules most often found across all 7,204 rigs:

{
  "permissions": {
    "deny": [
      "Read(./.env)",
      "Read(**/.env)",
      "Read(~/.ssh/**)",
      "Bash(rm -rf *)",
      "Read(**/*.pem)",
      "Bash(rm -rf /)",
      "Bash(git push --force:*)",
      "Bash(sudo *)",
      "Read(.env)",
      "Bash(rm -rf /*)",
      "Read(./.env.*)",
      "Read(~/.aws/**)",
      "Bash(git push --force*)",
      "Bash(rm -rf:*)",
      "Read(**/*.key)",
      "Read(**/.env.*)",
      "Bash(sudo:*)",
      "Bash(git reset --hard*)",
      "Bash(git reset --hard:*)",
      "Read(.env.*)"
    ],
    "ask": [
      "Bash(git push:*)",
      "Bash(git push *)",
      "Bash(git commit:*)",
      "Bash(rm *)",
      "Bash(rm:*)",
      "Bash(git rebase *)",
      "Bash(wget *)",
      "Bash(npm publish:*)",
      "Bash(git commit *)",
      "Bash(gh pr merge *)"
    ]
  }
}

Skills (1)

filesystem-ultra-tools

Subagents (3)

fs-editorEdit host files via filesystem-ultra only. Use for write/edit/patch/move/delete on the real disk. Pass expected_hash. One disk family — no native Edit/Write.
fs-explorerExplore the host filesystem (read-only). Use to list, search, and read host files. First call list_allowed_directories. Returns paths + hashes, not dumps.
fs-reviewerReview host files read-only via filesystem-ultra. Use to inspect diffs vs backup and report findings. Never write.

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