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Contrast ratio vs 4.5 for one hex on white
Streamable HTTP
https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/hex-contrast-aa/mcpclaude mcp add --transport http hex-contrast-aa https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/hex-contrast-aa/mcpThis server publishes no installable package.