# Perplexity Official MCP Server (@perplexity-ai/mcp-server) - AgentBreakWatch Reference > TL;DR Verdict: Perplexity Official MCP Server (`@perplexity-ai/mcp-server`) is currently at v1.3.0 on NPM (published 2026-09-25), with a 90-day Stability Score of 86/100 (B+) and MEDIUM schema drift risk across 5 releases in the last 90 days. v1.3.x splits sonar-pro and sonar-deep-research into perplexity_ask, perplexity_research, and perplexity_reason tools. ## Live Telemetry Metadata - Canonical Page: https://agentbreakwatch.vercel.app/p/perplexity-mcp - Category Hub: https://agentbreakwatch.vercel.app/c/search-data (Search, Web Scraping & RAG Research MCP Servers) - Package Name: `@perplexity-ai/mcp-server` - Registry: NPM (https://www.npmjs.com/package/@perplexity-ai/mcp-server) - GitHub Repository: https://github.com/ppl-ai/modelcontextprotocol - Vendor: Perplexity - Latest Live Version: v1.3.0 - Published Date: 2026-09-25T20:18:54.576Z - 90-Day Release Count: 5 - Direct Dependencies: 5 - License: MIT - Stability Score: 86/100 (Grade B+) - Schema Drift Risk: MEDIUM - Recommended Exact Pin Command: `npx -y @perplexity-ai/mcp-server@1.3.0` - Watched Symbols / MCP Tools: perplexity_ask, perplexity_research, perplexity_reason - Snapshot Timestamp: 2026-10-24T12:11:27.697Z ## Breaking Change & Schema Drift Summary v1.3.x splits sonar-pro and sonar-deep-research into perplexity_ask, perplexity_research, and perplexity_reason tools. ## Migration Diff: Before (Deprecated / Unpinned Pattern) ``` npx -y server-perplexity-ask ``` ## Migration Diff: After (Verified v1.3.0 Pattern) ``` npx -y @perplexity-ai/mcp-server ``` ## Recent Verified Releases - v1.3.0 (published 2026-09-25) [LATEST] - v1.2.1 (published 2026-08-27) - v1.2.0 (published 2026-07-27) - v1.1.0 (published 2026-07-27) - v1.0.0 (published 2026-07-27) - v0.9.0 (published 2026-03-23)