Opus 4.6 (Feb 4) and Sonnet 4.6 (Feb 15) released. MCP integrations live.

> impact

Claude Opus 4.6 and Sonnet 4.6 ship with improved coding, sustained agentic tasks, and computer use. MCP now enables in-tool actions in Slack, Figma, Asana, ServiceNow — no copy-paste workflows. MCP servers let Claude read/write external APIs, DBs, and CLI tools without manual I/O loops. Opus 4.6 improves long-context planning for multi-step tasks.

> Try this now

try this

# Build a minimal MCP server (TypeScript):
import { Server } from '@anthropic-ai/mcp-sdk';
const server = new Server({ name: 'my-api' });
server.addTool('query_db', async (params) => ({ rows: await db.query(params.sql) }));
server.listen(3000);