Arlet
Perplexity

Connect Perplexity to Codex

Search, read and write Perplexity from Codex. Arlet links the two through one MCP connection and takes care of keys and authentication.

Enable Perplexity in ArletCodex connection guide (docs)

Use Perplexity's official MCP server from the AI services you already use, through Arlet. Sign in with your Perplexity API account and the connection is ready.

Your AI can run live web searches, get quick answers, produce detailed research reports and reason with evidence. Usage is billed to the connected Perplexity API account.

How to connect Perplexity to Codex

  1. 1

    In the Arlet dashboard, open Integrations → Add an integration and choose Perplexity. Sign in with Link Perplexity, name the connection and click Create.

  2. 2

    In your terminal, run codex mcp add arlet --url https://mcp.arlet.dev/mcp/ to add Arlet as an MCP server.

  3. 3

    Codex detects OAuth support and opens your browser. Sign in with Google and click Allow on the consent screen.

  4. 4

    Once connected, both the CLI and the IDE extension can call Arlet tools (the configuration is shared).

If the browser does not open, run codex mcp login arlet to redo the authentication.

What you can do

Perplexity tools that Codex can call.

  • perplexity_search

    Search the web and return ranked results with sources, filterable by recency and domain.

  • perplexity_ask

    Answer a question quickly using live web information.

  • perplexity_research

    Produce a detailed, sourced research report across many sources.

  • perplexity_reason

    Reason step by step through a complex question and support the conclusion with evidence.

The tool list follows what Perplexity's official MCP server provides and may change.

Example uses

  • Stay on top of an industry

    Search the last few months of news, earnings and regulation, and organize it with sources for the opening of a report.

  • Prepare for a first meeting

    Get the essentials on a company or market, with sources, in the minutes before a kickoff.

  • Delegate deep research

    Generate a multi-source report on a theme such as how a technology has spread across countries.

  • Test a hypothesis

    Reason through whether a hypothesis holds given the facts collected and surface missing assumptions.

Prompts you can use as-is

  • Summarize the main news in Japanese logistics over the last three months, with sources
  • What were the highlights of Acme's latest earnings and how did the market react?
  • Write a comparative report on renewable energy subsidy schemes across European countries
  • Examine the hypothesis that this market doubles in five years; give evidence for and against

Use Perplexity with other AI clients