# Vercel AI SDK MCP Client (@ai-sdk/mcp) - AgentBreakWatch Reference

> TL;DR Verdict: Vercel AI SDK MCP Client (`@ai-sdk/mcp`) is currently at v2.0.83 on NPM (published 2026-10-22), with a 90-day Stability Score of 78/100 (B) and MEDIUM schema drift risk across 118 releases in the last 90 days. v2.x aligns createMCPClient with AI SDK v7 LanguageModelV3 tool definitions and StreamableHTTPClientTransport.

## Live Telemetry Metadata
- Canonical Page: https://agentbreakwatch.vercel.app/p/ai-sdk-mcp
- Category Hub: https://agentbreakwatch.vercel.app/c/agent-sdks (AI Agent SDKs & Frameworks Breaking-Change Index)
- Package Name: `@ai-sdk/mcp`
- Registry: NPM (https://www.npmjs.com/package/@ai-sdk/mcp)
- GitHub Repository: https://github.com/vercel/ai
- Vendor: Vercel
- Latest Live Version: v2.0.83
- Published Date: 2026-10-22T21:19:41.184Z
- 90-Day Release Count: 118
- Direct Dependencies: 4
- License: Apache-2.0
- Stability Score: 78/100 (Grade B)
- Schema Drift Risk: MEDIUM
- Recommended Exact Pin Command: `npm install @ai-sdk/mcp@2.0.83`
- Watched Symbols / MCP Tools: createMCPClient, StreamableHTTPClientTransport, mcpClient.tools
- Snapshot Timestamp: 2026-10-24T12:11:27.697Z

## Breaking Change & Schema Drift Summary
v2.x aligns createMCPClient with AI SDK v7 LanguageModelV3 tool definitions and StreamableHTTPClientTransport.

## Migration Diff: Before (Deprecated / Unpinned Pattern)
```
const client = await experimental_createMCPClient({ transport: { type: "sse", url } });
```

## Migration Diff: After (Verified v2.0.83 Pattern)
```
const client = await createMCPClient({ transport: new StreamableHTTPClientTransport(new URL(url)) });
```

## Recent Verified Releases
- v2.0.83 (published 2026-10-22) [LATEST]
- v2.0.82 (published 2026-10-22)
- v0.0.41 (published 2026-10-21)
- v2.0.81 (published 2026-10-21)
- v1.0.99 (published 2026-10-21)
- v1.0.98 (published 2026-10-20)