ResearchMCP MCP Server

@chew-z

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chew-z

ResearchMCP MCP Server について

MCP server for Perplexity

#golang #perplexity-api #mcp-server

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概要

What is ResearchMCP?

ResearchMCP is a Model Context Protocol (MCP) service that provides internet research capabilities by integrating with Perplexity AI’s API. It exposes a single “research” tool for querying up-to-date information on a wide range of topics, with graceful error handling and degraded mode.

How to use ResearchMCP?

Set required environment variables (e.g., PERPLEXITY_API_KEY) in a .env file, then build and run the service using go build and ./ResearchMCP. The service exposes a tool named research that accepts a query string argument.

Key features of ResearchMCP

Internet research through Perplexity AI
Integration with MCP protocol for tool discovery and invocation
Graceful error handling with degraded mode
Configurable via environment variables
Structured logging support

Use cases of ResearchMCP

Asking complex, open‑ended questions that require up‑to‑date web knowledge
Obtaining research reports with sourced information for analysis or content creation
Integrating real‑time web search into any MCP‑compatible client or agent

よくある質問

What dependencies or runtime are required?

Go 1.18 or later and a valid Perplexity AI API key are needed to build and run ResearchMCP.

How do I configure the service?

Configuration is done through environment variables: `PERPLEXITY_API_KEY` (required), and optional ones like `PERPLEXITY_MODEL`, `PERPLEXITY_TIMEOUT`, `PERPLEXITY_MAX_RETRIES`, `PERPLEXITY_INITIAL_BACKOFF`, and `PERPLEXITY_MAX_BACKOFF`.

What input does the research tool accept?

The tool requires a single `query` string (the research question or topic). It returns a text response that includes source URLs.

How are API errors handled?

The service includes graceful error handling with a degraded mode, configurable retries (default 2), and exponential backoff.

Is there authentication support?

ResearchMCP uses a Perplexity API key supplied via the `PERPLEXITY_API_KEY` environment variable. No other authentication or transport layer is described.

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