Cesium MCP Runtime MCP Server

by gaopengbin Your server? Claim it

local only

Cesium MCP Runtime runs on your own machine — the client starts it, so there is no endpoint to ping. 166 installs a week from npm. Last commit 22 Oct 2026.

Control CesiumJS 3D globes via MCP: camera, layers, entities, animation, and interaction.

Installs per day peak 316 · avg 39 · -51% w/w

a month agotoday

166

Installs / week

npm · cesium-mcp-runtime

149

Stars

1 open issue

22 Oct 2026

Last commit

9 releases in 90 days

MIT

License

JavaScript

What the code does

We read the source, 1 d ago · rules 995398eba69f

Capabilities

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

Runs an external command packages/cesium-mcp-runtime/src/preview-agent.ts:117

  const child = spawn(command.command, args, { cwd, windowsHide: true, stdio: ['pipe', 'pipe', 'pipe'] })

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

This code can reach further than it looks

We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.

Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add cesium-mcp-runtime -- npx -y cesium-mcp-runtime

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "cesium-mcp-runtime": {
      "command": "npx",
      "args": [
        "-y",
        "cesium-mcp-runtime"
      ]
    }
  }
}

~/.codex/config.toml

[mcp_servers.cesium-mcp-runtime]
command = "npx"
args = ["-y", "cesium-mcp-runtime"]

.cursor/mcp.json

{
  "mcpServers": {
    "cesium-mcp-runtime": {
      "command": "npx",
      "args": [
        "-y",
        "cesium-mcp-runtime"
      ]
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "cesium-mcp-runtime": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "cesium-mcp-runtime"
      ]
    }
  }
}

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Cesium MCP Runtime — questions

Answers built from our own checks of this server.

Why is there no uptime for Cesium MCP Runtime?

Cesium MCP Runtime runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone. What can be measured is adoption: the npm package cesium-mcp-runtime was installed 166 times last week.

How do I connect Cesium MCP Runtime?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It runs locally, so the command pulls cesium-mcp-runtime straight from npm; nothing to host, nothing to sign up for.

How many people use Cesium MCP Runtime?

The npm package cesium-mcp-runtime was installed 166 times in the last week. Week over week that is -51%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.

Is Cesium MCP Runtime open source?

Yes — it is published under the MIT licence, written in JavaScript, 149 stars on GitHub and 1 open issue. The source link is on this page, so you can read exactly what it does with your data before you connect it.