How does authentication work?
No API key is required; the server uses browser automation to interact with Perplexity’s web interface. An optional Pro account login can be performed to unlock better models and higher limits.
@wysh3
Basic information
MCP web search using perplexity without any API KEYS
Add this server to your MCP-compatible client using the configuration below.
{
"mcpServers": {
"perplexity-mcp-zerver": {
"command": "bun",
"args": [
"run",
"build"
]
}
}
}Tool list not available yet
This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.
We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.
A minimalist research server implementing the Model Context Protocol (MCP) to deliver AI-powered research capabilities through Perplexity’s web interface. It provides keyless operation via browser automation, making it suitable for developers who want to search, extract content, and analyze code without traditional API keys.
Install the Bun runtime and Node.js 18+, then clone the repository, run bun install and bun run build. Configure your MCP client by adding a server entry with "command": "bun" and "args": ["/absolute/path/to/build/main.js"]. Initiate research by sending commands through your MCP client, such as “Use perplexity to research quantum computing advancements.”
No API key is required; the server uses browser automation to interact with Perplexity’s web interface. An optional Pro account login can be performed to unlock better models and higher limits.
Bun runtime and Node.js 18+ (for TypeScript compilation) are required. The server is built with TypeScript and runs under Bun.
All processing is local: research results are stored in a local SQLite database, and browser profile data resides in the directory specified by `PERPLEXITY_BROWSER_DATA_DIR`.
Logging in with a Perplexity Pro subscription grants access to GPT-5.1, Claude Sonnet 4.5, and other enhanced models, as well as higher usage limits.
Stability depends on Perplexity’s website consistency. The project is intended for educational use only, and browser automation may break if the site changes.

Fact-check any claim with live web sources. Ed25519-signed receipts. Catches hallucinations.
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