How to Use the JustCall MCP in Windsurf

Q: How does Windsurf use the JustCall MCP Server to track missed calls?

Windsurf uses Cascade to run listcalls and filter for missed status flags. It then automatically triggers getcall to pull the participant details and timestamps so you can follow up immediately.

Q: Can Cascade find which agent handled a call?

Yes, Cascade runs a sequence starting with listcalls to find the call ID. It then queries listusers to match the internal operator ID with the actual team member's name.

Let Cascade chain call logs and SMS data directly in Windsurf to automate your customer follow-ups using this MCP Server.

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Connect JustCall MCP to Windsurf

Create your Vinkius account to connect JustCall 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 JustCall with Windsurf

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Automate call audits with this MCP Server

Cascade reads your workspace context and uses `list_calls` to fetch recent inbound and outbound phone records, then pulls the audio files via `list_recordings` to check call quality. You only tell Windsurf the goal once. The agent handles the multi-step sequence of fetching, matching, and logging JustCall communication data without asking for step-by-step guidance.

Sync contact directories instantly

Windsurf runs `list_contacts` to pull your customer database, then calls `get_contact` to check individual metadata for discrepancies. Because Cascade chains these tools autonomously, it updates your local files with the correct JustCall phone numbers and email addresses in one go.

Monitor outreach campaigns and messages

Your Windsurf agent queries active lists with `list_campaigns` and checks text-based outreach using `list_messages`. The agent parses the delivery status of every JustCall SMS and matches it to the assigned agent from `list_users` without manual scripting.

Setup guide

Set up JustCall 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 JustCall 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 JustCall payment history." If connected, Cascade will call the JustCall tools directly. You will see a green dot next to the server name in the MCP panel.

mcp_config.json

{
  "mcpServers": {
    "justcall-mcp": {
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

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Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by JustCall. 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 JustCall MCP in Windsurf

Windsurf uses Cascade to run `list_calls` and filter for missed status flags. It then automatically triggers `get_call` to pull the participant details and timestamps so you can follow up immediately.

Yes, you can ask Cascade to monitor your texts. It executes `list_messages` to pull recent SMS data and checks the delivery status fields to find any failed outbound messages.

Open your settings, go to Cascade, and add the server configuration under the mcpServers key. Alternatively, use the built-in marketplace for a quick setup, and Cascade will discover the tools instantly.

Yes, Cascade runs a sequence starting with `list_calls` to find the call ID. It then queries `list_users` to match the internal operator ID with the actual team member's name.

All contact details and call recordings remain inside Vinkius's secure V8 sandbox. Your credentials never leave this ephemeral environment, preventing unauthorized access to sensitive customer phone numbers or audio files.

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