How to connect Claude, Cursor, and VS Code to a single shared MCP server without duplicating API keys?

Connect Claude, Cursor, and VS Code to a single shared MCP server without duplicating API keys using Toolport

This task can be performed using Toolport

All your MCP servers. One port.

Best product for this task

Toolpo

Toolport

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Toolport is a free, open-source, local-first MCP gateway. Set up and authenticate each MCP server once, and every AI client (Claude, Cursor, VS Code, Codex and the rest) shares it. Your agent loads a handful of meta-tools instead of hundreds, cutting tool-token overhead up to 91%. Every call is fingerprinted for tampering, your API keys stay in the OS keychain, and you get a full audit trail. No containers, no sign-up.

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What to expect from an ideal product

  1. Toolport acts as a single local MCP gateway, so you enter each API key once into your OS keychain and every client β€” Claude, Cursor, VS Code, Codex β€” reads from that same authenticated source without any duplication or copy-pasting across config files.
  2. Instead of loading hundreds of individual tools into every AI session, Toolport exposes a small set of meta-tools per client, reducing tool-token overhead by up to 91% and keeping context windows free for actual work.
  3. There is no Docker setup, no cloud account, and no sign-up form β€” Toolport runs locally, installs in minutes, and stores nothing outside your own machine, which makes it practical for developers who work in air-gapped or compliance-sensitive environments.
  4. Every MCP call routed through Toolport is fingerprinted at the request level, giving you a full audit trail that shows exactly which client triggered which tool, when, and with what parameters β€” something raw multi-client MCP setups cannot provide out of the box.
  5. Because Toolport is open-source and free, teams can inspect the gateway code, self-host it on a shared dev machine, and onboard new clients like Codex or any future MCP-compatible agent without reconfiguring server credentials from scratch each time.

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