sahanuday/protomcp
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A Postman-style lab for exploring, testing and debugging Model Context Protocol (MCP) servers
概要
ProtoMCP is a browser-based inspector for MCP servers. Point it at any MCP server — local or remote — and you get a full UI to browse tools, prompts, and resources, fire requests, and watch every JSON-RPC exchange in real time. - — No native app, no extensions, no localhost stdio gaps - — Connect 13+ public MCP servers in a single workspace - — Watch every JSON-RPC exchange live (Claude Desktop doesn't show this) - — Auto-discovers tools, prompts, resources from schemas Connects to any MCP server over Streamable HTTP or SSE. Once connected, ProtoMCP discovers all capabilities automatically and generates input forms from the server's JSON Schema — so you can invoke tools, preview prompts, and browse resources without writing a single line of code. Every request and response is logged with timing data in a live panel alongside. Drops an AI assistant on top of your connected servers.
README
以下は原文 README の抜粋です。原文を見る。
ProtoMCP is a browser-based inspector for MCP servers. Point it at any MCP server — local or remote — and you get a full UI to browse tools, prompts, and resources, fire requests, and watch every JSON-RPC exchange in real time.
Why ProtoMCP?
- Browser-only — No native app, no extensions, no localhost stdio gaps
- Multi-server — Connect 13+ public MCP servers in a single workspace
- Real-time trace — Watch every JSON-RPC exchange live (Claude Desktop doesn’t show this)
- Zero-config introspection — Auto-discovers tools, prompts, resources from schemas
How It Compares
| ProtoMCP | Claude Desktop | MCP Inspector (CLI) | |
|---|---|---|---|
| Browser-based | ✅ | ❌ | ❌ |
| Multi-server | ✅ | ✅ | ❌ |
| JSON-RPC trace | ✅ | ❌ | ✅ |
| Auto-generated forms | ✅ | ❌ | ❌ |
| Agent mode | ✅ | ✅ | ❌ |
| Choose LLM provider | ✅ | ❌ | ❌ |
| No install needed | ✅ | ❌ | ❌ |
What it does
Explore Mode
Connects to any MCP server over Streamable HTTP or SSE. Once connected, ProtoMCP discovers all capabilities automatically and generates input forms from the server’s JSON Schema — so you can invoke tools, preview prompts, and browse resources without writing a single line of code. Every request and response is logged with timing data in a live panel alongside.
Agent Mode
Drops an AI assistant on top of your connected servers. Pick a provider (OpenAI, Anthropic, Gemini, Groq, or others), write a prompt, and watch the agent reason and call tools across all connected servers in real time. You can require confirmation before each tool call if you want to stay in the loop — useful when the tools have side effects.
Multiple servers can be connected at the same time. Tools and resources from all of them are aggregated into a single workspace, so you can mix and match across servers in a single agent session.
Get Started
Hosted — no setup, open in your browser:
Run locally:
One-Command Bootstrap
curl -sSL https://raw.githubusercontent.com/SahanUday/ProtoMCP/master/install.sh | bash
インストール
This server does not publish a one-line install command.
Open the repository installation guide MCP 初心者？mcpskill.org のガイドから始めましょう →