# Brightdata MCP (@brightdata/mcp) - AgentBreakWatch Reference

> TL;DR Verdict: Brightdata MCP (`@brightdata/mcp`) is currently at v4.1.0 on NPM (published 2026-10-20), with a 90-day Stability Score of 86/100 (B+) and MEDIUM schema drift risk across 8 releases in the last 90 days. Built on MCP SDK (1.21.2); recent release v4.1.0 (up from v4.0.0) updates Search & Research MCP tool schemas and transport handling (8 releases in last 90d). Pin exact version v4.1.0 in .mcp.json to avoid silent parameter drift.

## Live Telemetry Metadata
- Canonical Page: https://agentbreakwatch.vercel.app/p/brightdata-mcp
- Category Hub: https://agentbreakwatch.vercel.app/c/search-data (Search, Web Scraping & RAG Research MCP Servers)
- Package Name: `@brightdata/mcp`
- Registry: NPM (https://www.npmjs.com/package/@brightdata/mcp)
- GitHub Repository: https://github.com/brightdata/brightdata-mcp
- Vendor: Brightdata
- Latest Live Version: v4.1.0
- Published Date: 2026-10-20T09:39:38.546Z
- 90-Day Release Count: 8
- Direct Dependencies: 7
- License: MIT
- Stability Score: 86/100 (Grade B+)
- Schema Drift Risk: MEDIUM
- Recommended Exact Pin Command: `npx -y @brightdata/mcp@4.1.0`
- Watched Symbols / MCP Tools: mcp, tools/list, tools/call
- Snapshot Timestamp: 2026-10-24T12:11:27.697Z

## Breaking Change & Schema Drift Summary
Built on MCP SDK (1.21.2); recent release v4.1.0 (up from v4.0.0) updates Search & Research MCP tool schemas and transport handling (8 releases in last 90d). Pin exact version v4.1.0 in .mcp.json to avoid silent parameter drift.

## Migration Diff: Before (Deprecated / Unpinned Pattern)
```
"brightdata-mcp": {
  "command": "npx",
  "args": ["-y", "@brightdata/mcp@latest"]
}
```

## Migration Diff: After (Verified v4.1.0 Pattern)
```
"brightdata-mcp": {
  "command": "npx",
  "args": ["-y", "@brightdata/mcp@4.1.0"]
}
```

## Recent Verified Releases
- v4.1.0 (published 2026-10-20) [LATEST]
- v4.0.0 (published 2026-10-18)
- v3.1.0 (published 2026-10-15)
- v3.0.0 (published 2026-10-11)
- v2.12.0 (published 2026-10-08)
- v2.11.3 (published 2026-09-17)