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Snapstack MCP Server

Local always-on server for SnapStack: browser capture intake + MCP over 127.0.0.1.

Local serverstdioGo

What is the Snapstack MCP Server?

Local always-on server for SnapStack: browser capture intake + MCP over 127.0.0.1.

The short version

The SnapStack server is a single always-on Node process: it receives browser captures from the extension, stacks them on disk, and serves them to any MCP-capable LLM client over Streamable HTTP. It listens only on 127.0.0.1 — nothing ever leaves your machine.

What it needs from you

  • Node.js ≥ 18 (tested on Node 20). No git needed at runtime. - An MCP-capable LLM client speaking the HTTP (Streamable HTTP) or stdio transport. - The snapstack-extension loaded in your browser.

More MCP options

Compare MCP servers by category, or browse hosted MCP servers if you prefer an endpoint over a local process.

Maintainer setup documentation.

Recorded tools

Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.

ToolWhat it does
get_screenshotsLists pending captures as a JSON manifest (stable number, absolute path, dimensions, metadata) — **no image bytes, no deletion**. Pass numbers (e.g. [1,3]) to list only those.
clear_screenshotsDeletes captures. Pass numbers to delete specific ones; omit to clear the whole stack. Numbering restarts at 01 once empty.
count_screenshotsNumber of pending captures, without retrieving them.

How to install the Snapstack MCP Server

{
  "mcpServers": {
    "snapstack-server": {
      "command": "npx",
      "args": ["-y", "and"]
    }
  }
}

Add to claude_desktop_config.json, then restart Claude Desktop.

Configuration

  • Node.js ≥ 18 (tested on Node 20). No git needed at runtime. - An MCP-capable LLM client speaking the HTTP (Streamable HTTP) or stdio transport. - The snapstack-extension loaded in your browser.

Example prompts to try

  • “Use Snapstack to get screenshots.”
  • “Use Snapstack to clear screenshots.”
  • “Use Snapstack to count screenshots.”

Frequently asked questions

Local always-on server for SnapStack: browser capture intake + MCP over 127.0.0.1. Confirm the tools offered by your installed version in the connected client. Tool availability and permissions depend on the server and account configuration.

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