How to Use the Forj MCP in Mastra AI

Build resilient, multi-step community automation for Forj. Mastra AI's workflow engine handles retries, branching, and failures for you.

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Connect Forj MCP to Mastra AI

Create your Vinkius account to connect Forj to Mastra AI 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 Forj with Mastra AI

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Automate Your User Onboarding Workflow

A new user signs up. Your Mastra AI workflow kicks off. It first calls `find_user` to see if they're already in a different group. Based on the result, it uses `add_user_to_group` to place them in the right starting channel. If the API call fails for some reason, Mastra’s engine automatically retries with exponential backoff. You don't write that logic; you just define the steps. It's a reliable way to automate your welcome process.

Create Approval Gates for Sensitive Actions

Some actions need a human in the loop. Mastra AI's `requireToolApproval` is designed for this. You can build a workflow that uses `list_pending_requests` to fetch new join requests, but it won't actually call `add_user_to_group` until a manager approves it. This gives you the speed of automation with the safety of manual oversight. It’s perfect for managing access to private or paid groups within your Forj community, making your MCP Server integration safer.

Build Custom Community Audit Trails

Use Mastra AI to build workflows that monitor your community's health. You can set up a scheduled job that runs `list_groups` and then loops through each one, calling `list_group_members` to check for size and composition. The workflow can then log this data to a database or send a summary report. You can also monitor your integrations by periodically calling `list_webhooks` and triggering an alert if one is missing or inactive.

Setup guide

Set up Forj MCP in Mastra AI

Prerequisites

Node.js 18+ and a TypeScript project
@mastra/mcp + @mastra/core packages
Active Vinkius subscription with a valid endpoint token

1

Install dependencies
Run npm install @mastra/mcp @mastra/core plus your preferred model provider (e.g. @ai-sdk/openai).
2

Configure the MCPClient
Create an MCPClient with your Vinkius endpoint as a URL object. Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com.
3

Discover and inject tools
Call mcpClient.listTools() and spread the result into your agent's tools object. All Forj tools become native Mastra tools.
4

Run with any model
Swap openai("gpt-4o") for any AI SDK-compatible provider. Call agent.generate() and the agent routes tool calls through MCP automatically.

agent.ts

import { MCPClient } from "@mastra/mcp";
import { Agent } from "@mastra/core/agent";
import { openai } from "@ai-sdk/openai";

const mcpClient = new MCPClient({
  id: "forj-mcp-client",
  servers: {
    "forj-mcp": {
      url: new URL(
        "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
      ),
    },
  },
});

const agent = new Agent({
  name: "Forj Agent",
  model: openai("gpt-4o"),
  instructions: "You have access to Forj tools.",
  tools: {
    ...(await mcpClient.listTools()),
  },
});

const result = await agent.generate(
  "List recent Forj transactions"
);
console.log(result.text);

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Why Choose Vinkius

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Common questions about Forj MCP in Mastra AI

You instantiate the Mastra AI MCPClient with the unique URL for your Forj server. The client fetches the available tools, like `create_group`, which you can then assign to your agents within their workflow definitions.

Yes, that's Mastra AI's core strength. For example, your workflow could call `get_account_details` and, based on the user's status, decide whether to add them to a 'premium' group or a 'standard' group using `add_user_to_group`.

Mastra AI's workflow engine automatically handles transient errors. It will retry the failed tool call—for instance, `list_invitations`—using a backoff strategy so your automation doesn't break due to temporary network issues.

No. The toolset covers groups, users, and administrative states. You can use tools like `list_webhooks` and `list_pending_requests` to build complete operational workflows around your Forj community.

The server handles Forj user account information and group membership data. You can configure Mastra AI workflows with `requireToolApproval` to pause execution and wait for human confirmation before running any tool that modifies data, like `add_user_to_group`.

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