MCP server

Promplate Hmr Official

dev.promplate/hmr

Checked 25 Oct 2026, 20:29 UTC · Connected to it and listed its tools

Docs for hot-module-reload and reactive programming for Python (`hmr` on PyPI)

Working at last checkVerified publisher: promplate.devAbout 516 tokens per request once connected3 tools

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

At a glance

Type: MCP server
Publisher: promplate.dev (verified by the MCP Registry)
Status: Working at last check
Tools: 3
Token cost: About 516 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 25 Oct 2026, 20:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

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

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.hmr]
url = "https://pyth-on-line.promplate.dev/hmr/mcp"

Gemini CLI

{"mcpServers":{"hmr":{"httpUrl":"https://pyth-on-line.promplate.dev/hmr/mcp"}}}

Cursor

{"mcpServers":{"hmr":{"url":"https://pyth-on-line.promplate.dev/hmr/mcp"}}}

VS Code

{"servers":{"hmr":{"type":"http","url":"https://pyth-on-line.promplate.dev/hmr/mcp"}}}

Antigravity

agy mcp add hmr https://pyth-on-line.promplate.dev/hmr/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"hmr","server_url":"https://pyth-on-line.promplate.dev/hmr/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"hmr","server_url":"https://pyth-on-line.promplate.dev/hmr/mcp"}

learn-hmr-basics ~115 tokens
A brief and concise explanation of the `hmr` library. This tool provides information on how to use reactive programming or use hot module reloading in Python. As long as the user mentions HMR / Reactive Programming, this tool must be called first! Don't manually view the resource, call this tool in
view-hmr-core-sources ~206 tokens
The full source code (core only) of the HMR library. Always call `learn-hmr-concepts` to learn the core concepts before calling this tool. These files are the full source code of the HMR library, which would be very helpful because good code are self-documented. For a brief and concise explanation,
view-hmr-unit-tests ~195 tokens
The unit tests (code examples) for HMR. Always call `learn-hmr-basics` and `view-hmr-core-sources` to learn the core functionality before calling this tool. These files are the unit tests for the HMR library, which demonstrate the best practices and common coding patterns of using the library. You

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