ContrastKit

WCAG color contrast checks, nearest accessible color, CSS color conversion and palette pair checks.

Connector by contrastkit.mike-tusa.workers.dev · Domain 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/contrastkit-mike-tusa-workers-dev-contrastkit

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://contrastkit.mike-tusa.workers.dev/mcp Remote (HTTP)

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About

WCAG color contrast checks, nearest accessible color, CSS color conversion and palette pair checks.

Reviews

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Permissions

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

Tools: 4 read · 0 write · 0 deleteRead-only
Secrets: None asked for
Install scripts: Nothing to install (hosted)
Runs as: Hosted (remote endpoint)

Tools by what they do 4

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

Read 4 · Look things up without changing anything.

check_contrast
check_palette
convert_color
suggest_accessible_color

Network hosts it talks to 1

contrastkit.mike-tusa.workers.dev · found in remote endpoint, install command

Tools (4)

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

check_contrastCheck WCAG color contrastread-only
Compute the WCAG 2.x contrast ratio between a text (foreground) color and a background color, with pass/fail for AA, AA large text, AAA, AAA large text and non-text UI (3:1). Handles translucent colors. Read-only. Same engine as GET /api/contrast.
check_paletteCheck every pair in a paletteread-only
Contrast ratio for every pair of 2 to 12 colors (up to 66 pairs), highest first, each flagged against the chosen WCAG level. Use it to see which brand colors can be used together for text. Read-only. Same engine as GET /api/palette.
convert_colorConvert a CSS colorread-only
Convert a CSS color to hex, rgb() and hsl(), with its relative luminance, its contrast on white and on black, and the better text color (black or white) to put on it. Read-only. Same engine as GET /api/convert.
suggest_accessible_colorSuggest the nearest accessible colorread-only
For a failing color pair, find the closest color (same hue and saturation, lightness changed as little as possible) that meets the chosen WCAG level. Adjust the foreground (default), the background, or both (best first). Read-only. Same engine as GET /api/suggest.

Signals

Last release: Oct 22, 2026 (12 days ago)

Details

Registry name: dev.workers.mike-tusa.contrastkit/contrastkit
Version: 0.1.0
Auth: Auth not stated
License: License unknown
Website: contrastkit.mike-tusa.workers.dev/
First seen: Oct 24, 2026
Last checked: Nov 1, 2026
Source: Official MCP Registry

Rank

Unranked

Not shown in browse, so it has no position.

Score

0.567

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Grades

Freshness

Active in the last 30 days. Last activity 12 days ago.

–

Security

Security scan: in progress. Grades from our dependency, secret, code and prompt-injection checks appear here once they launch. Until then, check the code before you install.

Indexed

Found automatically from a public source. Not yet claimed by its publisher.

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Availability

100% uptime, last 30 days (1 check)

Last check: 9 days ago
Status: Up
Median response: 479 ms

Up
Up, auth required
Down
Not checked
No data

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Cite this page

ContrastKit MCP server. Agent Mart. https://agentmart.dev/connectors/contrastkit-mike-tusa-workers-dev-contrastkit (last updated 2026-11-01)