Preview release of FusionAuth API MCP server
Connect Runs on your machine
claude mcp add mcp-api -e API_KEY_APIKEYAUTH=<API_KEY_APIKEYAUTH> -e API_BASE_URL=<API_BASE_URL> -e USE_TOOLS=<USE_TOOLS> -- npx -y @fusionauth/[email protected]
{
"mcpServers": {
"mcp-api": {
"command": "npx",
"args": [
"-y",
"@fusionauth/[email protected]"
],
"env": {
"API_KEY_APIKEYAUTH": "<API_KEY_APIKEYAUTH>",
"API_BASE_URL": "<API_BASE_URL>",
"USE_TOOLS": "<USE_TOOLS>"
}
}
}
}
{
"mcpServers": {
"mcp-api": {
"command": "npx",
"args": [
"-y",
"@fusionauth/[email protected]"
],
"env": {
"API_KEY_APIKEYAUTH": "<API_KEY_APIKEYAUTH>",
"API_BASE_URL": "<API_BASE_URL>",
"USE_TOOLS": "<USE_TOOLS>"
}
}
}
}
{
"servers": {
"mcp-api": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@fusionauth/[email protected]"
],
"env": {
"API_KEY_APIKEYAUTH": "<API_KEY_APIKEYAUTH>",
"API_BASE_URL": "<API_BASE_URL>",
"USE_TOOLS": "<USE_TOOLS>"
}
}
}
}
Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
API_KEY_APIKEYAUTHRequired, secret | Your API key for FusionAuth instance |
API_BASE_URLRequired | The URL for your FusionAuth instance |
USE_TOOLSOptional | Prefixes of APIs to create MCP tools for, if not set defaults to all available tools |
Details
| Package | @fusionauth/[email protected] (NPM, stdio) |
| First published | 21 Nov 2025 |
| Last updated | 21 Nov 2025 |
| Registry name | io.fusionauth/mcp-api |
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