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@composio/claude-agent-sdk

Composio provider for the Claude Agent SDK (@anthropic-ai/claude-agent-sdk). It wraps Composio tools as in-process MCP tools that Claude agents can call.

Installation

npm install @composio/core @composio/claude-agent-sdk @anthropic-ai/claude-agent-sdk

Set two environment variables:

• COMPOSIO_API_KEY from the Composio dashboard
• ANTHROPIC_API_KEY from Anthropic

Quickstart

Create a session for your user, serve its tools through an SDK MCP server, and query Claude:

import { Composio } from '@composio/core';
import { ClaudeAgentSDKProvider } from '@composio/claude-agent-sdk';
import { createSdkMcpServer, query } from '@anthropic-ai/claude-agent-sdk';

const composio = new Composio({ provider: new ClaudeAgentSDKProvider() });

// Each session is scoped to one of your users
const session = await composio.create('user_123');
const tools = await session.tools();

const customServer = createSdkMcpServer({
  name: 'composio',
  version: '1.0.0',
  tools,
});

for await (const stream of query({
  prompt: 'Summarize my emails from today',
  options: {
    mcpServers: { composio: customServer },
    permissionMode: 'bypassPermissions',
  },
})) {
  if (stream.type === 'assistant') {
    for (const block of stream.message.content) {
      if (block.type === 'text') process.stdout.write(block.text);
    }
  }
}

For multi-turn conversations, store session.sessionId and reuse it with composio.use(sessionId) instead of creating a new session each turn.

How it works

The Claude Agent SDK provides tools to agents through MCP (Model Context Protocol) servers. ClaudeAgentSDKProvider converts each Composio tool definition into an MCP tool and routes execution back through Composio, so createSdkMcpServer can serve them in process; no separate server to run.

Links

• Composio quickstart
• Composio documentation
• Claude Agent SDK documentation