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### Server Architecture & Capability Summary **Perplexity Sonar Deep Research & Cited Web Synthesis MCP** (`perplexity-mcp`) is a verified **STDIO** Model Context Protocol (MCP) server curated with **@alexalbert__** for Grok Bot, Claude Code, and Cursor. Official Perplexity Sonar MCP server giving coding and research agents real-time, citation-grounded answers and deep multi-hop literature reviews. ### 1-Click CLI Installation Run the command below to register `perplexity-mcp` in Claude Code or your MCP client: ```bash claude mcp add perplexity -- npx -y server-perplexity-ask ``` ### Standard `mcpServers` JSON Configuration (`.cursor/mcp.json` / `claude_desktop_config.json`) ```json { "mcpServers": { "perplexity-mcp": { "command": "npx", "args": [ "-y", "server-perplexity-ask" ], "env": { "PERPLEXITY_API_KEY": "pplx-your_api_key" } } } } ``` ### Exposed MCP Tools - `perplexity_ask` — Deterministic JSON-RPC 2.0 tool exposed by `perplexity-mcp`. - `perplexity_research_deep` — Deterministic JSON-RPC 2.0 tool exposed by `perplexity-mcp`. - `perplexity_reason` — Deterministic JSON-RPC 2.0 tool exposed by `perplexity-mcp`. ### Authentication & Environment Variables - **Transport Protocol:** `stdio` - **Auth Mechanism:** `api_key` - `PERPLEXITY_API_KEY`: `pplx-your_api_key` - **Documentation / Source:** [https://github.com/ppl-ai/modelcontextprotocol](https://github.com/ppl-ai/modelcontextprotocol)

Tags: #perplexity-mcp#stdio#research#mcp-server#perplexity-ask#perplexity-research-deep

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