io.github.lucas-project/one-million-tools

up checked 2026-11-11T10:39:17.588Z

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Publisher-provided title

One Million Tools

Publisher-provided description

42 free deterministic utilities: JSON, CSV, YAML, encoding, hashing, JWT, cron, formatters, CSS.

Summary by lookupd

Runs deterministic text utilities: format, convert, validate and hash JSON, CSV, YAML, SQL, CSS and encodings.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http one-million-tools https://tools-empire-mcp.lucas-qin-au.workers.dev/mcp

Codex, remote (streamable-http)

codex mcp add one-million-tools --url https://tools-empire-mcp.lucas-qin-au.workers.dev/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "one-million-tools": {
      "url": "https://tools-empire-mcp.lucas-qin-au.workers.dev/mcp"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (showing 30 of 42)

Publisher-provided text

• json_format Pretty-print JSON with configurable indentation (2 spaces, 4 spaces, or tab).
• json_minify Compress JSON by stripping whitespace.
• json_validate Validate JSON syntax and return the parsed value or a line/column error.
• json_diff Diff two JSON documents and return added/removed/changed keys.
• json_to_yaml Convert JSON to YAML.
• yaml_to_json Convert YAML to pretty-printed JSON.
• json_to_csv Convert an array of JSON objects to CSV.
• csv_to_json Parse CSV text into a JSON array of objects.
• base64_encode UTF-8 text → Base64 string.
• base64_decode Base64 string → UTF-8 text.
• url_encode Percent-encode a string (component or full URI mode).
• url_decode Decode percent-encoded URL text.
• sha256_hash Compute a SHA-256 hex digest of UTF-8 text.
• hash_text Compute a SHA-1 / SHA-256 / SHA-512 hex digest of UTF-8 text.
• uuid_generate Generate RFC 4122 v4 UUIDs.
• regex_test Test a regular expression against input text and return matches with capture groups.
• unix_timestamp_convert Convert a Unix timestamp (seconds or ms) to an ISO 8601 date string.
• jwt_decode Decode a JWT header + payload. Does not verify the signature.
• sql_format Pretty-print SQL.
• html_format Pretty-print HTML.
• css_format Pretty-print CSS.
• js_format Pretty-print JavaScript / TypeScript with Prettier.
• yaml_format Pretty-print YAML.
• cron_explain Explain a cron expression in plain English.
• env_redact Redact secrets (API keys, tokens, passwords) from logs / config / env text.
• csv_parse Parse CSV text into fields + preview rows with delimiter detection.
• csv_sort Sort CSV rows by one column (alpha or numeric).
• csv_filter Filter CSV rows by a column predicate (equals / contains / regex / gt / gte / lt / lte / not-empty).
• csv_split Split a CSV into N chunks or into files of N rows each.
• csv_statistics Compute per-column summary statistics (count, min, max, mean, median) over a CSV.

Details

• Version: 0.1.0
• Transports: streamable-http
• Uptime (7 days): 100%
• Median latency: 813 ms
• First indexed: 2026-11-01T09:38:49.435Z
• Last seen in registry: 2026-11-01T09:38:49.435Z
• Website: https://onemilliontools.com/mcp

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