Open, published color-vision method (Machado 2009 + CIEDE2000, DOI 10.5281/zenodo.21310578) — 17 on-device browser vision tests, plus 30 packages on PyPI, npm and MCP so you can run the colorimetry yourself.
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add colorblind -- npx -y colorblind-mcp~/.codex/config.toml
[mcp_servers.colorblind]
command = "npx"
args = ["-y", "colorblind-mcp"]
# codex mcp add colorblind -- npx -y colorblind-mcp~/.cursor/mcp.json
{
"mcpServers": {
"colorblind": {
"command": "npx",
"args": [
"-y",
"colorblind-mcp"
]
}
}
}.vscode/mcp.json
{
"servers": {
"colorblind": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"colorblind-mcp"
]
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"colorblind": {
"command": "npx",
"args": [
"-y",
"colorblind-mcp"
]
}
}
}claude_desktop_config.json
{
"mcpServers": {
"colorblind": {
"command": "npx",
"args": [
"-y",
"colorblind-mcp"
]
}
}
}.trae/mcp.json
{
"mcpServers": {
"colorblind": {
"command": "npx",
"args": [
"-y",
"colorblind-mcp"
]
}
}
}