Docs & AI · Official remote MCP server

The Hmr MCP server,
connected in one click.

Docs for hot-module-reload and reactive programming for Python (`hmr` on PyPI). Connect the official Hmr MCP server to Claude, ChatGPT, or Cursor through gate — one gateway URL, no config files, security-checked.

Connect Hmr free How it works

Free to start · No credit card · No hosting needed

Use this server

Add Hmr to your AI in one minute

Pick your client. Copy, paste, done — or let gate handle sign-ins and policies for you.

claude mcp add --transport http hmr https://pyth-on-line.promplate.dev/hmr/mcp

Run in your terminal, then restart Claude Code.

Hmr · https://pyth-on-line.promplate.dev/hmr/mcp

What you can do

What your AI can do with Hmr

Real prompts you can type the moment it's connected — no setup, no docs to read.

“Use “learn-hmr-basics”: A brief and concise explanation of the `hmr` library. This tool provides information on how to use reactive programming or use hot module r.”

“Use “view-hmr-core-sources”: The full source code (core only) of the HMR library. Always call `learn-hmr-concepts` to learn the core concepts before calling this tool.”

“Use “view-hmr-unit-tests”: The unit tests (code examples) for HMR. Always call `learn-hmr-basics` and `view-hmr-core-sources` to learn the core functionality before c.”

Security check

How secure is the Hmr MCP server?

Every server in the gate directory has to pass the same four checks before your AI can touch it. Here's how Hmr holds up.

✓ Verified directory serverHmr · promplate.dev

Official endpoint

Operated by Hmr (promplate.dev) at its documented MCP endpoint — not a third-party mirror or community re-host.

No sign-in needed

This server only exposes public data — no account and no credentials are involved when you connect.

Scanned before it goes live

gate checks every tool for prompt injection, hidden instructions, data-exfiltration hints, and over-broad permissions before the server is available through your gateway.

Watched for drift

If Hmr adds or changes tools later, gate re-scans and alerts you — before your AI acts on the change.

Run the free scanner on Hmr's server →

How it works

Connected in three steps

Connect your gate

Add one gateway URL to Claude, ChatGPT, or any MCP client. One-time setup, about two minutes.

Pick Hmr

Choose Hmr in the gate directory. No sign-in needed.

Use it anywhere

Hmr's tools are live in every AI client you've connected — with rules and logging built in.

Connect Hmr free

Free to start · No credit card · No hosting needed

Straight from the server

The actual tools Hmr exposes

Fetched live from the official endpoint and re-checked daily by gate — not marketing copy.

learn-hmr-basics — A brief and concise explanation of the `hmr` library. This tool provides information on how to use reactive programming or use hot module r

view-hmr-core-sources — The full source code (core only) of the HMR library. Always call `learn-hmr-concepts` to learn the core concepts before calling this tool.

view-hmr-unit-tests — The unit tests (code examples) for HMR. Always call `learn-hmr-basics` and `view-hmr-core-sources` to learn the core functionality before c

Author

Who runs the Hmr MCP server?

promplate.dev

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Server facts

The Hmr MCP server at a glance

Endpointhttps://pyth-on-line.promplate.dev/hmr/mcp

Operated byHmr (promplate.dev)

CategoryDocs & AI

Sign-inNone — public data only

Available in gateYes — one-click connect

Works withClaude, ChatGPT, Cursor & any MCP client

FAQ

Questions, answered

Is there an official Hmr MCP server?

Yes — Hmr operates its own remote MCP server at pyth-on-line.promplate.dev. gate connects you to that official endpoint and adds security scanning, per-tool access rules, and an activity log on top.

How do I connect Hmr to Claude or ChatGPT?

Add gate's gateway URL to your AI client once, then pick Hmr in the directory. No account or sign-in is needed. From then on, Hmr's tools are available in every client you've connected to gate.

Do I need to host anything?

No. Hmr runs the server, and gate is fully managed. You just connect one URL — there's nothing to install, deploy, or maintain.

Is the Hmr MCP server safe to connect?

It's the vendor's official endpoint, and gate scans its tools for prompt injection and hidden instructions before it goes live, re-checks it whenever it changes, and lets you allow, block, or require approval for every single tool.