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io.github.lazymac2x/data-transform

by lazymac2x · remote · no sign-in to list tools · v1.0.0 · published by GitHub user lazymac2x

Cloudflare Workers MCP server: data-transform

Changes · 9
CompareRegistry entry

10 tools: 9 change things and 1 only read.

Scanned Oct 21, 2026

No check matched anything in the tool definitions. No finding is not a safety guarantee. How the checks work.

claude mcp add --transport http data-transform https://api.lazy-mac.com/data-transform/mcp

Tools

Open a tool for its reasons and full description. Descriptions are the publisher's own words, shown as they are.

10 tools

Changes things 9Claude Code: ask
  • csv_to_jsonParse CSV text into a JSON array of objects.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    Parse CSV text into a JSON array of objects.
  • filterFilter a JSON array by a query object.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    Filter a JSON array by a query object. Supports >, <, ! prefixes for comparisons.
  • flattenFlatten a nested JSON object into dot-notation keys.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    Flatten a nested JSON object into dot-notation keys.
  • json_to_csvConvert a JSON array of objects to CSV text.No findings

    Why it is in this group

    • The description's first verb is "convert": a word for a change.
    Description, as the server wrote it
    Convert a JSON array of objects to CSV text. Optionally specify a delimiter.
  • json_to_xmlConvert a JSON object or array to XML string.No findings

    Why it is in this group

    • The description's first verb is "convert": a word for a change.
    Description, as the server wrote it
    Convert a JSON object or array to XML string.
  • pickPick specific fields from each object in a JSON array.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    Pick specific fields from each object in a JSON array.
  • sortSort a JSON array by a field.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    Sort a JSON array by a field.
  • statsCompute statistics (count, sum, mean, min, max, median) for a numeric field.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    Compute statistics (count, sum, mean, min, max, median) for a numeric field.
  • unflattenUnflatten a dot-notation JSON object back into nested structure.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    Unflatten a dot-notation JSON object back into nested structure.
Only reads 1Claude Code: allow
  • validateValidate a JSON string and return type, size, or error.No findings

    Why it is in this group

    • The name "validate" says "validate": a word for reading.
    Description, as the server wrote it
    Validate a JSON string and return type, size, or error.

This is not a safety rating, and no finding is not a safety guarantee. The groups and findings come from fixed checks of the tool definitions the server returned on the date shown, not from its code or what it does when called. How the checks work.

Install

Pinned to version 1.0.0. Values in angle brackets are yours to fill in.

claude mcp add --transport http data-transform https://api.lazy-mac.com/data-transform/mcp

Run in a terminal.

Claude Code permissions

Allow the reads, ask before a change, deny the deletes. Paste into .claude/settings.json.

.claude/settings.json
{
  "permissions": {
    "allow": [
      "mcp__data-transform__validate"
    ],
    "ask": [
      "mcp__data-transform__json_to_csv",
      "mcp__data-transform__csv_to_json",
      "mcp__data-transform__json_to_xml",
      "mcp__data-transform__flatten",
      "mcp__data-transform__unflatten",
      "mcp__data-transform__filter",
      "mcp__data-transform__pick",
      "mcp__data-transform__sort",
      "mcp__data-transform__stats"
    ],
    "deny": []
  }
}

Tools that only read are allowed, tools that change things ask first, tools that delete or cancel are denied. It assumes the server is installed as data-transform. Review it before you use it.