Swatch
Check WCAG color contrast, fix failing colors, build 50-950 palettes. No account.
What it does
Swatch is an MCP server, a connector that lets an AI assistant use it as a tool. It is hosted: an assistant connects to it over the internet, nothing to install.
No capability identified yet from its description.
Facts come from the Official MCP Registry, as declared by the publisher. Capabilities are matched automatically (low confidence). None of this is a test of the tool.
At a glance
How to connect
As declared in the Official MCP Registry · hosted endpoint tested by Electra Index 2h ago (live check)Hosted endpoint
https://swatch.clawhard.com/mcpstreamable-http
In Claude Code: claude mcp add --transport http swatch https://swatch.clawhard.com/mcp
MCP settings (Claude Desktop, Cursor and other MCP clients)
{
"mcpServers": {
"swatch": {
"url": "https://swatch.clawhard.com/mcp"
}
}
}Live check
Electra Index connected to the hosted endpoint 2h agoONLINE Swatch answered an MCP connection on 02 Nov 2026 and introduced itself as com.clawhard/swatch 1.0.0 (MCP protocol 2025-06-18).
6 tools offered to AI assistants
swatch_check_contrast· Use when the user asks whether a color combination is readable or accessible, passes WCAG AA or AAA, or has enough contrast (text on a background, button, badge, link color). Returns the exact contrast ratio, pass or fail for normal text, lswatch_fix_contrast· Use when a color pair fails contrast and the user wants the smallest change that makes it pass, such as "make this gray text accessible without changing the look". Returns the closest text color on that background that reaches the target (Aswatch_pick_text_color· Use when the user asks what text color (black or white) to put on a given background, button or brand color so it is readable. Returns the better of black or white with both contrast ratios, the WCAG grade and a softer near-black option. Exswatch_make_scale· Use when the user asks for a palette, shades, tints, a design-token scale or a Tailwind-style 50 to 950 ramp from a brand color. Returns 11 steps that keep the hue, with the hex, contrast on white and on black, and the best text color for eswatch_convert_color· Use when the user asks to convert a color between hex, RGB, HSL and OKLCH, or asks what a color is called or how light it is. Returns all formats, the relative luminance and the nearest CSS color name. Example: {"color": "#ff5a1f"}. Exact mswatch_check_pairs· Use when the user has a whole design system, theme or stylesheet and wants every text and background pair checked for accessibility in one go. Takes up to 50 pairs and returns the ratio and AA and AAA results for each, with a count of failu
What "online" means: the server answered an MCP connection at the time of the check. It is not a guarantee of security, quality or continuous uptime. How we test: we open an MCP session and ask for the tool list, as an AI assistant would. We never run a tool and never send a key. Checked every few days. Method
Is this your server? Monitoring Pro: a check every 30 minutes and an email within the hour when it stops answering. Launch offer: $39.99 once, for life.
Facts & evidence
Each fact shows where it was seen and when.| Fact | Value | Evidence | Source | Last confirmed |
|---|---|---|---|---|
| Version | 1.0.1 | DECLARED | SRC-001 Official MCP Registry | 1h ago |
| Hosted endpoint | https://swatch.clawhard.com/mcp | DECLARED | SRC-001 Official MCP Registry | 1h ago |
| Local install (package) | no | DECLARED | SRC-001 Official MCP Registry | 1h ago |
| Remote access (hosted) | yes | DECLARED | SRC-001 Official MCP Registry | 1h ago |
| Website | https://swatch.clawhard.com | DECLARED | SRC-001 Official MCP Registry | 1h ago |
| Registry status | active | DECLARED | SRC-001 Official MCP Registry | 1h ago |
| MCP server | yes | DECLARED | SRC-001 Official MCP Registry | 1h ago |
Change history
- VERSION02 Nov 20261.0.0 → 1.0.1
- NEW02 Nov 2026first seen in the index
Is this page accurate?
Flag it and our robot re-checks the official source. Reports never change a score.Is Swatch still online?
Free alerts · no account▲ 0Do you run Swatch? Know when it stops answering
For publishers · optionalIts hosted endpoint can be monitored. Monitoring Pro connects every 30 minutes like an AI assistant, emails you within the hour when it stops answering, keeps a 90-day availability history and adds your answer rate to your badge.
Monitoring never changes a score or a rank.
Are you the publisher of Swatch?
Free · show your listingAn independent listing builds trust with your buyers. Announce it, and add the badge to your website or README.
<a href="https://electraindex.com/mcp/swatch?utm_source=badge&utm_medium=share&utm_campaign=listing"><img src="https://electraindex.com/api/badge/swatch" alt="Listed on Electra Index"></a>Questions about Swatch
How do I connect Swatch?
Use the hosted endpoint https://swatch.clawhard.com/mcp in your assistant's MCP settings. The exact settings are in "How to connect" above, as declared in the Official MCP Registry.
What tools does Swatch offer?
When Electra Index connected on 02 Nov 2026, it listed 6 tools: swatch_check_contrast, swatch_fix_contrast, swatch_pick_text_color, swatch_make_scale, swatch_convert_color, swatch_check_pairs. The full list is in "Live check" above.
Is Swatch online?
Yes. Its hosted endpoint answered an MCP connection from Electra Index 2h ago.