Researcher MCP

A powerful research assistant that integrates with Cline and Claude Desktop! Leverages Perplexity AI for intelligent search, documentation retrieval, API discovery, and code modernization assistance - all while you code.

- Seamless Context Tracking: Maintains conversation history in SQLite database to provide coherent responses across multiple queries
- Advanced Query Processing: Uses Perplexity's Sonar models for sophisticated reasoning and detailed answers to complex questions
- Intelligent Rate Management: Implements adaptive rate limiting with exponential backoff to maximize API usage without hitting limits
- High Performance Networking: Optimizes API calls with connection pooling and automatic retry logic for reliable operation

Performs general search queries to get comprehensive information on any topic. The example shows how to use different detail levels (brief, normal, detailed) to get tailored responses.

Retrieves documentation and usage examples for specific technologies, libraries, or APIs. The example demonstrates getting comprehensive documentation for React hooks, including best practices and common pitfalls.

Discovers and evaluates APIs that could be integrated into a project. The example shows finding payment processing APIs with detailed analysis of features, pricing, and integration complexity.

Analyzes code for deprecated features or patterns, providing migration guidance. The example demonstrates checking React class components and lifecycle methods for modern alternatives.

paste this part into claude directly if you want to, the ai can install it for you

First install Node.js if not already installed (from nodejs.org)

Get a Perplexity API key fromhttps://www.perplexity.ai/settings/api

{ "mcpServers": { "perplexity-server": { "command": "node", "args": ["[path/to/researcher-mcp/build/index.js]"], "env": { "PERPLEXITY_API_KEY": "pplx-...", "PERPLEXITY_MODEL": "sonar-reasoning" // you can use different models }, "disabled": false, "alwaysAllow": [], "autoApprove": [ "search", "get_documentation", "find_apis", "check_deprecated_code", "get_request_status" ] } } }

Search global news using natural language. Webz.io News Search API returns the most relevant articles and content, with filters for source, country, language, date, sentiment, and category.

Search and extract information about research papers from arXiv.

Read-only MCP server giving AI agents the web as compact, ranked, verified evidence. Local cross-encoder reranker, NLI claim verification, semantic cross-source agreement and contradiction detection. No API keys.

Unified access to multiple search providers and AI tools like Tavily, Perplexity, Kagi, Jina AI, Brave, and Firecrawl.

Optimized web search for LLMs using the Tavily Search API.

Fetch, convert, and search AWS documentation pages, with recommendations for related content.

Search campgrounds around the world on campertunity, check availability, and provide booking links.

Lightning-Fast, High-Accuracy Deep Research Agent 👉 8–10x faster 👉 Greater depth & accuracy 👉 Unlimited parallel runs

The Ferryhopper MCP Server exposes ferry routes, schedules and booking redirects so an AI assistant can discover connections across Europe and the Mediterranean and send users to Ferryhopper to complete bookings.

All-in-One SEO & Web Intelligence Toolkit API from FetchSERP.