@composio/mastra

@composio/mastra

Agentic Provider for Mastra in Composio SDK.

Features

• Full Modifier Support: Support for both schema and execution modifiers
• Tool Execution: Execute tools with proper parameter handling
• Type Safety: Full TypeScript support with proper type definitions
• Agentic Capabilities: Full support for autonomous agent behavior
• Streaming Support: First-class support for streaming responses
• Custom Execution: Support for custom tool execution strategies

Installation

npm install @composio/core @composio/mastra
# or
yarn add @composio/core @composio/mastra
# or
pnpm add @composio/core @composio/mastra

Environment Variables

Required environment variables:

• COMPOSIO_API_KEY: Your Composio API key
• MASTRA_API_KEY: Your Mastra API key

Optional environment variables:

• MASTRA_API_URL: Custom API base URL (defaults to Mastra's API)
• MASTRA_DEBUG: Enable debug logging (set to "true")

Quick Start

import { Composio } from '@composio/core';
import { MastraProvider } from '@composio/mastra';

// Initialize Composio with Mastra provider
const composio = new Composio({
  apiKey: process.env.COMPOSIO_API_KEY,
  provider: new MastraProvider({
    apiKey: process.env.MASTRA_API_KEY,
  }),
});

// Get available tools
const tools = await composio.tools.get('user123', {
  toolkits: ['gmail', 'googlecalendar'],
  limit: 10,
});

Examples

Check out our complete example implementations:

• Basic Mastra Integration

API Reference

MastraProvider Class

The MastraProvider class extends BaseAgenticProvider and provides Mastra-specific functionality.

Constructor

new MastraProvider(options?: MastraProviderOptions)

Options:

• apiKey: Your Mastra API key
• apiUrl: Custom API base URL
• debug: Enable debug logging
• modifiers: Custom execution modifiers
• executionStrategy: Custom tool execution strategy

Methods

wrapTool(tool: Tool, executeTool: ExecuteToolFn): MastraTool

Wraps a tool in the Mastra format.

const tool = provider.wrapTool(composioTool, executeTool);

wrapTools(tools: Tool[], executeTool: ExecuteToolFn): MastraToolCollection

Wraps multiple tools in the Mastra format.

const tools = provider.wrapTools(composioTools, executeTool);

executeToolCall(userId: string, toolCall: MastraToolCall, options?: ExecuteToolFnOptions): Promise<string>

Executes a tool call from Mastra and returns the result.

const result = await provider.executeToolCall('user123', toolCall, {
  connectedAccountId: 'account123',
});

Contributing

We welcome contributions! Please see our Contributing Guide for more details.

License

ISC License

Support

For support, please visit our Documentation or join our Discord Community.