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One Million Tools

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

Connector by lucas-project · GitHub account verified by the MCP Registry

IndexedLicense unknownRemote (HTTP)
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Install

Works with Claude Code, VS Code, Cursor, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install connector/lucas-project-one-million-tools

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

Remote endpoint

  • https://tools-empire-mcp.lucas-qin-au.workers.dev/mcp Remote (HTTP)

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About

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

Reviews

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No reviews yet. Installed it? Reviews come from verified installers only. How reviews work

Permissions

What this server can do and what it asks for, from its tool list and install config. Checked Oct 25, 2026.

Tools
22 read · 6 write · 0 delete · 14 not yet classified
Secrets
None asked for
Install scripts
Nothing to install (hosted)
Runs as
Hosted (remote endpoint)

Tools by what they do 42

From the running server's own tool list (tools/list) on Oct 25, 2026.

Read 22 · Look things up without changing anything.

  • color_convert
  • cron_explain
  • css_contrast_check
  • css_format
  • csv_parse
  • csv_statistics
  • csv_to_json
  • html_format
  • js_format
  • json_diff
  • json_format
  • json_to_csv
Show 10 more tools
  • json_to_yaml
  • json_validate
  • markdown_format
  • markdown_preview
  • markdown_to_html
  • sha256_hash
  • sql_format
  • unix_timestamp_convert
  • yaml_format
  • yaml_to_json

Write 6 · Create, change, send or run things.

  • css_border_radius_build
  • css_box_shadow_build
  • css_gradient_build
  • hash_text
  • meta_tags_generate
  • text_diff

Not yet classified 14 · We could not tell from the name and description.

  • base64_decode
  • base64_encode
  • csv_filter
  • csv_sort
  • csv_split
  • env_redact
  • json_minify
  • jwt_decode
  • og_preview_build
  • regex_test
  • slug_generate
  • url_decode
Show 2 more tools
  • url_encode
  • uuid_generate

Network hosts it talks to 1

  • tools-empire-mcp.lucas-qin-au.workers.dev · found in remote endpoint, install command

Tools (42)

As the server listed them on Oct 25, 2026. Descriptions are the server’s own words; hidden characters are shown as [U+…].

  • base64_decode

    Base64 string → UTF-8 text.

  • base64_encode

    UTF-8 text → Base64 string.

  • color_convert

    Convert a HEX color into RGB / HSL / HSV / CSS forms.

  • cron_explain

    Explain a cron expression in plain English.

  • css_border_radius_build

    Build a CSS border-radius value from four corner radii in px.

  • css_box_shadow_build

    Build a CSS box-shadow value from one or more layers.

  • css_contrast_check

    Compute the WCAG contrast ratio between two colors and the AA/AAA verdict.

  • css_format

    Pretty-print CSS.

  • css_gradient_build

    Build a CSS linear-gradient string from color stops + angle.

  • csv_filter

    Filter CSV rows by a column predicate (equals / contains / regex / gt / gte / lt / lte / not-empty).

  • csv_parse

    Parse CSV text into fields + preview rows with delimiter detection.

  • csv_sort

    Sort CSV rows by one column (alpha or numeric).

  • 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.

  • csv_to_json

    Parse CSV text into a JSON array of objects.

Show 27 more tools
  • env_redact

    Redact secrets (API keys, tokens, passwords) from logs / config / env text.

  • hash_text

    Compute a SHA-1 / SHA-256 / SHA-512 hex digest of UTF-8 text.

  • html_format

    Pretty-print HTML.

  • js_format

    Pretty-print JavaScript / TypeScript with Prettier.

  • json_diff

    Diff two JSON documents and return added/removed/changed keys.

  • json_format

    Pretty-print JSON with configurable indentation (2 spaces, 4 spaces, or tab).

  • json_minify

    Compress JSON by stripping whitespace.

  • json_to_csv

    Convert an array of JSON objects to CSV.

  • json_to_yaml

    Convert JSON to YAML.

  • json_validate

    Validate JSON syntax and return the parsed value or a line/column error.

  • jwt_decode

    Decode a JWT header + payload. Does not verify the signature.

  • markdown_format

    Normalize Markdown (list markers, trailing whitespace, blank lines).

  • markdown_preview

    Render Markdown to an HTML preview fragment with word/char counts.

  • markdown_to_html

    Convert Markdown to HTML.

  • meta_tags_generate

    Generate <title>, description, Open Graph and Twitter Card tags for a page.

  • og_preview_build

    Build an Open Graph preview metadata bundle (title / description / domain truncation).

  • regex_test

    Test a regular expression against input text and return matches with capture groups.

  • sha256_hash

    Compute a SHA-256 hex digest of UTF-8 text.

  • slug_generate

    Generate a URL slug from a string.

  • sql_format

    Pretty-print SQL.

  • text_diff

    Diff two texts and return part-level changes plus a unified string.

  • unix_timestamp_convert

    Convert a Unix timestamp (seconds or ms) to an ISO 8601 date string.

  • url_decode

    Decode percent-encoded URL text.

  • url_encode

    Percent-encode a string (component or full URI mode).

  • uuid_generate

    Generate RFC 4122 v4 UUIDs.

  • yaml_format

    Pretty-print YAML.

  • yaml_to_json

    Convert YAML to pretty-printed JSON.

Signals

Last release
Oct 21, 2026 (7 days ago)

Details

Registry name
io.github.lucas-project/one-million-tools
Version
0.1.0
Auth
Auth not stated
License
License unknown
Website
onemilliontools.com/mcp
First seen
Oct 24, 2026
Last checked
Oct 24, 2026
Source
Official MCP Registry
Cite this page

One Million Tools MCP server. Agent Mart. https://agentmart.dev/connectors/lucas-project-one-million-tools (last updated 2026-10-24)