MCPJam Inspector

MCPJam Inspector is the open-source local testing tool for ChatGPT apps and MCP servers. Build, debug, and inspect your apps and server tools with the ChatGPT Apps Builder, OAuth debugger, and LLM playground – no external services needed.

Key features

ChatGPT Apps SDK Local Inspector
MCP Apps Builder
OAuth Debugger
LLM Playground
Widget Emulator
Server Resource Inspection

Best for

Developers
Indie Hackers
AI App Builders

Not ideal for

Large Enterprise Teams
Non-Technical Users

Developer Tools Open Source Github Launched 8 months ago

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Frequently asked questions

MCPJam Inspector is a local testing tool designed for developers building ChatGPT apps and MCP servers. It allows you to inspect and debug your applications without relying on external services like ngrok.

MCPJam Inspector provides a local environment to run your ChatGPT apps and MCP servers, enabling you to test prompts, resources, and OAuth flows directly within the Inspector interface.

MCPJam Inspector offers a ChatGPT Apps Builder, an OAuth debugger, an LLM playground, and a widget emulator for testing your apps locally against various LLMs.

Yes, MCPJam Inspector is an open-source project, making it completely free to use and contribute to. You can find the source code on GitHub.

Absolutely! MCPJam Inspector supports testing your ChatGPT apps and MCP servers against any LLM you choose to use in the playground, offering flexibility and experimentation.