Read, write, edit, search, and manage files in sandboxed directories via @modelcontextprotocol/server-filesystem (npx) — 14 tools

{
  "server": "secure-filesystem-server",
  "npm": "@modelcontextprotocol/server-filesystem",
  "version": "0.2.0",
  "publisher": "Anthropic (Model Context Protocol)",
  "transport": "stdio",
  "cli_args": ["node", "dist/index.js", "/path/to/allowed/dir"],
  "tools_count": 14,
  "tools": ["read_text_file", "read_file", "read_media_file", "read_multiple_files", "write_file", "edit_file", "create_directory", "list_directory", "list_directory_with_sizes", "directory_tree", "move_file", "search_files", "get_file_info", "list_allowed_directories"],
  "calls": [
    {
      "tool": "list_allowed_directories",
      "result": "/private/tmp/mcp-test-sandbox",
      "ms": 2
    },
    {
      "tool": "write_file",
      "args": {
        "path": "sandbox/hello.txt",
        "content": "Hello from MCP!
Line 2
Line 3
"
      },
      "result": "Successfully wrote",
      "ms": 1
    },
    {
      "tool": "read_text_file",
      "args": {
        "path": "sandbox/hello.txt"
      },
      "result": "Hello from MCP!
Line 2
Line 3
",
      "ms": 1
    },
    {
      "tool": "read_text_file",
      "args": {
        "head": 2
      },
      "result": "Hello from MCP!
Line 2",
      "ms": 1
    },
    {
      "tool": "read_text_file",
      "args": {
        "tail": 1
      },
      "result": "(empty — last line after trailing newline)",
      "ms": 0
    },
    {
      "tool": "edit_file",
      "args": {
        "edits": [
          {
            "oldText": "Line 2",
            "newText": "LINE_2_EDITED"
          }
        ],
        "dryRun": false
      },
      "result": "--- original
+++ modified
-Line 2
+LINE_2_EDITED",
      "ms": 1
    },
    {
      "tool": "edit_file",
      "args": {
        "dryRun": true
      },
      "result": "diff shown but NOT applied",
      "ms": 1
    },
    {
      "tool": "read_text_file",
      "label": "verify-dry-run-unchanged",
      "result": "LINE_2_EDITED (not LINE_2_DRYRUN)",
      "ms": 1
    },
    {
      "tool": "create_directory",
      "args": {
        "path": "sandbox/nested/deep"
      },
      "result": "error: Parent directory does not exist",
      "ms": 0
    },
    {
      "tool": "list_directory",
      "result": "[FILE] data.json
[FILE] hello.txt
[DIR] subdir",
      "ms": 1
    },
    {
      "tool": "list_directory_with_sizes",
      "args": {
        "sortBy": "size"
      },
      "result": "[DIR] subdir
[FILE] hello.txt 37 B
[FILE] data.json 29 B
Total: 2 files, 1 directories, 66 B",
      "ms": 0
    },
    {
      "tool": "directory_tree",
      "result": "[{name:'data.json',type:'file'},{name:'hello.txt',type:'file'},{name:'subdir',type:'directory',children:[]}]",
      "ms": 0
    },
    {
      "tool": "directory_tree",
      "args": {
        "excludePatterns": ["*.json"]
      },
      "result": "hello.txt and subdir only",
      "ms": 1
    },
    {
      "tool": "search_files",
      "args": {
        "pattern": "*.txt"
      },
      "result": "sandbox/hello.txt",
      "ms": 1
    },
    {
      "tool": "get_file_info",
      "result": "size:37, permissions:644, isFile:true",
      "ms": 1
    },
    {
      "tool": "move_file",
      "args": {
        "source": "moveme.txt",
        "destination": "moved.txt"
      },
      "result": "Successfully moved",
      "ms": 1
    },
    {
      "tool": "write_file",
      "label": "unicode",
      "args": {
        "content": "Türkçe: şğüöçı
日本語テスト
🌍 Emoji test 🚀
"
      },
      "result": "Successfully wrote",
      "ms": 0
    },
    {
      "tool": "read_text_file",
      "label": "read-unicode",
      "result": "Türkçe: şğüöçı
日本語テスト
🌍 Emoji test 🚀
",
      "ms": 1
    },
    {
      "tool": "read_text_file",
      "label": "security-outside-sandbox",
      "args": {
        "path": "/etc/hosts"
      },
      "result": "Access denied - path outside allowed directories",
      "ms": 0
    }
  ],
  "total_calls": 28,
  "success_rate": "100%",
  "p50_ms": 1,
  "max_ms": 2
}