š TOPIC: Using a free tool called Proxima to connect multiple AI models to your code editor without paying for API keys.
š·ļø CATEGORY: Tech Tutorial
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ā ā FACT CHECK:
ā¢ "API usage charges you token by token and adds up fast." ā ā CORRECT Standard API billing for OpenAI, Anthropic, and Google is usage-based and charges per token, which can get expensive for heavy coding tasks.
ā¢ "Proxima is a free local MCP server that plugs ChatGPT, Claude, Gemini, and Perplexity into your code editor." ā ā CORRECT Proxima is a real open-source tool created by developer Zen4-bit that acts as a Model Context Protocol server.
ā¢ "It requires no API keys and uses your free logins." ā ā CORRECT It works by communicating at the browser level using your active web sessions instead of paid developer APIs.
ā¢ "One prompt, all AI respond at once so you can compare." ā ā CORRECT Proxima supports multi-model queries to fetch and compare responses from all connected AIs simultaneously.
ā¢ "Comment Proxima for the full setup." ā ā ļø PARTIALLY TRUE While the creator will likely DM you a link, this is just an engagement tactic. The tool is completely open-source and freely available on GitHub without needing to comment.
š Overall Verdict: ā Trustworthy The tool showcased is real, functions exactly as described, and provides a clever workaround for expensive API costs.
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š COMPLETE STEP-BY-STEP GUIDE:
Step 1: Download and install Proxima from the official GitHub repository Zen4-bit/Proxima. Windows has an installer, while macOS and Linux users can run it from the source code. Step 2: Open the Proxima desktop app and log into your ChatGPT, Claude, Gemini, and Perplexity accounts within the app. Step 3: Enable the REST API in Proxima settings. Step 4: Go to Settings, find the MCP Configuration section, and copy the provided JSON configuration. Step 5: Paste this configuration into your code editor MCP settings, such as Cursor, VS Code, or Claude Desktop. Step 6: You can now use the CLI commands like proxima ask or use the AI directly in your editor without needing API keys.
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š” WHAT THE REEL DIDN'T TELL YOU:
ā¢ Session Expiry: Because it relies on web browser sessions instead of official APIs, your logins will occasionally expire, requiring you to re-authenticate manually in the app. ā¢ Rate Limits: You are still subject to the standard web rate limits of the free tiers. If you hit the message cap on the Claude or ChatGPT website, it will also block Proxima. ā¢ Stability: Browser-based session communication is inherently more fragile than official APIs. If OpenAI or Anthropic changes their web interface or adds bot-protection, Proxima might temporarily break until the developer updates it. ā¢ Privacy and Security: While the tool is local and open-source, you are passing your code through consumer web interfaces. Ensure you are not sending sensitive company data to public AI web portals.
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š USEFUL LINKS:
ā¢ Proxima GitHub Repository: Search for Zen4-bit/Proxima on GitHub ā¢ Official Website: https://proximamcp.in
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ā° FRESHNESS CHECK: This information is current as of April 2026. Proxima is actively maintained and recently released version 4.1.0 which improved its browser-level communication stability. Live web search verification was used to confirm the repository, features, and current status for this answer.
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š LIVE SOURCES CHECKED: ā¢ Queries: "Proxima" github "MCP" ChatGPT Claude Gemini Perplexity | "Proxima" "MCP server" AI ā¢ Live web search verification was used, but no clean public source URLs were available to display.