How to Use the Heroku (PaaS) MCP in Mastra AI

Q: Can I require human approval for dangerous Heroku (PaaS) operations with Mastra AI?

Yes. Mastra AI supports requireToolApproval. You can configure your agent to require a human to sign off before it executes destructive tools like deleteapp on a Heroku (PaaS) environment.

Q: What's a good workflow for cleaning up old Heroku (PaaS) staging apps with Mastra AI?

Create a workflow that uses listapps to find apps with 'staging' in their name. Then, for each app, use getappinfo to check its creation date. If it's older than 30 days, prompt for approval before running deleteapp.

Q: How do I check my Heroku config variables within a Mastra workflow?

Your agent can call the listconfigvars tool. You can use this in a workflow to audit keys, for example, checking if DATABASEURL is set correctly after provisioning a new app.

Q: Is it safe to let Mastra AI access my Heroku secrets?

When your agent uses listconfigvars, it pulls secrets like OAuth keys and database URLs into its memory. Mastra AI runs in your own environment, so you control access. It's your job to secure that environment to prevent secret leakage.

Build resilient Heroku automations that just work. Mastra AI adds conditional logic and automatic retries to every Heroku tool call.

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Connect Heroku (PaaS) MCP to Mastra AI

Create your Vinkius account to connect Heroku (PaaS) 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 Heroku (PaaS) with Mastra AI

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Automate Complex Migrations

Use Mastra AI's workflow engine to run database migrations on Heroku. Your agent can create a sequence: first, enable maintenance mode with `toggle_maintenance_mode`, then run the migration script, and finally disable maintenance mode. If any step fails, Mastra's automatic retry logic kicks in. For example, if a dyno restart hangs, your workflow can use `restart_specific_dyno` again with exponential backoff before alerting an admin. This is reliability you don't have to code yourself.

Build a Smart Incident Response Bot

Your Mastra agent can monitor your Heroku apps for issues. When an alert comes in, it can use `list_dynos` to check for crashed containers and then automatically run `restart_all_dynos` to try and fix the problem. You define the logic. For instance: 'If `restart_all_dynos` fails twice, then `get_app_info` to check the stack, then `list_config_vars` to check for bad config, and finally page the on-call engineer.' It's an automated runbook powered by an MCP server.

Your Heroku MCP Server

This isn't just about running single commands. With Mastra AI, you can build workflows that make decisions. For example: 'List all apps with `list_apps`. For each app, check its dynos with `list_dynos`. If any dyno is 'crashed', restart it with `restart_specific_dyno`.' This MCP server gives you the building blocks. Mastra AI provides the workflow engine to connect them. Provision a staging environment with `create_app`, and if it succeeds, automatically copy its add-ons using `list_addons` as a template.

Setup guide

Set up Heroku (PaaS) 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 Heroku (PaaS) 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: "heroku-paas-mcp-client",
  servers: {
    "heroku-paas-mcp": {
      url: new URL(
        "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
      ),
    },
  },
});

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

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

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Common questions about Heroku (PaaS) MCP in Mastra AI

Mastra AI has built-in automatic retries with exponential backoff. If a call to `restart_all_dynos` on your Heroku (PaaS) app fails due to a temporary API issue, Mastra will try again automatically.

Yes. Mastra AI supports `requireToolApproval`. You can configure your agent to require a human to sign off before it executes destructive tools like `delete_app` on a Heroku (PaaS) environment.

Create a workflow that uses `list_apps` to find apps with 'staging' in their name. Then, for each app, use `get_app_info` to check its creation date. If it's older than 30 days, prompt for approval before running `delete_app`.

Your agent can call the `list_config_vars` tool. You can use this in a workflow to audit keys, for example, checking if `DATABASE_URL` is set correctly after provisioning a new app.

When your agent uses `list_config_vars`, it pulls secrets like OAuth keys and database URLs into its memory. Mastra AI runs in your own environment, so you control access. It's your job to secure that environment to prevent secret leakage.

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