How to Use the FusionAuth (Enterprise Identity & Auth) MCP in Windsurf

Q: How do I install the FusionAuth (Enterprise Identity & Auth) MCP server in Windsurf?

Open the MCP Servers UI under Settings, or edit your mcpconfig.json directly. Add the Vinkius endpoint URL. Cascade will auto-discover the 50 identity tools immediately.

Q: Can Windsurf create new FusionAuth (Enterprise Identity & Auth) applications?

Yes. Cascade calls createapplication and can optionally link it to a specific tenant. It handles the JSON body construction based on your project requirements.

Q: Does this integration support custom logic?

You manage custom lambdas directly. The server exposes createlambda and updatelambda so your agent can push JavaScript functions that modify token claims on the fly.

Let Cascade handle your identity stack. Connect the FusionAuth MCP Server to Windsurf and watch it provision tenants and users autonomously.

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Connect FusionAuth (Enterprise Identity & Auth) MCP to Windsurf

Create your Vinkius account to connect FusionAuth (Enterprise Identity & Auth) to Windsurf and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

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Setup FusionAuth (Enterprise Identity & Auth) with Windsurf

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Full Identity Stack in Windsurf

Cascade doesn't just read auth docs. It actually builds your authentication infrastructure right from your editor. You give it a target architecture, and it chains the necessary commands to get your identity provider running. Ask it to set up a new environment. Cascade will hit `create_tenant`, follow up with `create_application`, and then use `create_user` to populate test accounts. It handles the dependencies between these objects without stopping to ask for permission.

Automated MFA and Security Workflows

Testing multi-factor authentication usually involves painful manual steps. Your IDE now scripts the entire lifecycle from secret generation to final login verification without you touching a browser. Cascade strings together `generate_mfa_secret`, `enable_mfa`, and `mfa_login` to validate your security posture. If a test user gets locked out during development, it can run `disable_mfa` or `revoke_refresh_tokens` to reset their state instantly.

JWT and Lambda Management via MCP

Debugging token claims is historically miserable. Now you can inspect and manipulate tokens right where you write your code, saving hours of context switching. Need to test a custom claim? Have Cascade run `create_lambda` to inject your logic, then call `issue_jwt` to see the exact resulting payload. If the token expires during testing, it just fires `refresh_jwt` and keeps moving.

Setup guide

Set up FusionAuth (Enterprise Identity & Auth) MCP in Windsurf

Prerequisites

Windsurf IDE installed (macOS, Windows, or Linux)
Active Vinkius subscription with a valid endpoint token

1

Open MCP configuration

Click the Cascade assistant icon in the sidebar, then click the hammer icon (🔨) at the top of the panel. Select "Configure" to open ~/.codeium/windsurf/mcp_config.json.
2

Add the FusionAuth (Enterprise Identity & Auth) MCP

Paste the JSON snippet shown on the right into the mcpServers object. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com.
3

Refresh MCPs

Go back to the hammer icon (🔨) in Cascade and click "Refresh". Windsurf will detect the new server. No full restart is needed — the connection is hot-reloaded.
4

Verify in Cascade

Start a new Cascade conversation and ask something like "Show my FusionAuth (Enterprise Identity & Auth) payment history." If connected, Cascade will call the FusionAuth (Enterprise Identity & Auth) tools directly. You will see a green dot next to the server name in the MCP panel.

mcp_config.json

{
  "mcpServers": {
    "fusionauth-enterprise-identity-auth-mcp": {
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

Get your connection token →

Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by FusionAuth. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.

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Common questions about FusionAuth (Enterprise Identity & Auth) MCP in Windsurf

Open the MCP Servers UI under Settings, or edit your `mcp_config.json` directly. Add the Vinkius endpoint URL. Cascade will auto-discover the 50 identity tools immediately.

Yes. Cascade calls `create_application` and can optionally link it to a specific tenant. It handles the JSON body construction based on your project requirements.

Cascade reads the error response and adjusts. If a login fails, it might run `get_user` to check their status or `patch_user` to fix malformed data before retrying the flow.

You manage custom lambdas directly. The server exposes `create_lambda` and `update_lambda` so your agent can push JavaScript functions that modify token claims on the fly.

Vinkius runs the server in an ephemeral, zero-trust V8 isolate. When your agent pulls a JSON profile via `get_user`, that PII never persists on our infrastructure. The sandbox is destroyed the second the connection drops.

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