Everyday calculator MCP server: 15 core tools with on-demand access to the 446-calculator macalc catalog (French tax, salary, VAT, mortgage, notary fees, conversions). Free, no API key.
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add --transport http macalculatriceenligne https://macalculatriceenligne.com/api/mcp~/.codex/config.toml
[mcp_servers.macalculatriceenligne]
url = "https://macalculatriceenligne.com/api/mcp"
# codex mcp add macalculatriceenligne --url https://macalculatriceenligne.com/api/mcp~/.cursor/mcp.json
{
"mcpServers": {
"macalculatriceenligne": {
"url": "https://macalculatriceenligne.com/api/mcp"
}
}
}.vscode/mcp.json
{
"servers": {
"macalculatriceenligne": {
"type": "http",
"url": "https://macalculatriceenligne.com/api/mcp"
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"macalculatriceenligne": {
"httpUrl": "https://macalculatriceenligne.com/api/mcp"
}
}
}claude_desktop_config.json · Customize › Connectors › Add custom connector
{
"mcpServers": {
"macalculatriceenligne": {
"command": "npx",
"args": [
"-y",
"mcp-remote",
"https://macalculatriceenligne.com/api/mcp"
]
}
}
}.trae/mcp.json
{
"mcpServers": {
"macalculatriceenligne": {
"url": "https://macalculatriceenligne.com/api/mcp"
}
}
}