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SandBase MCP Server

answering

SandBase is answering right now. Last checked 12 min ago. Last commit 28 Aug 2026.

Connect MCP clients to 2,000+ AI models without managing provider API keys.

Uptime history 14 days of history
14 days agonow
100.0%
Uptime 24h
92 of 92 checks
Tools
hidden behind auth
946 ms
Response time
average over 24h
140
Stars
last commit 28 Aug 2026

What the code does

We read the source, 17 h ago · rules 3dff92dd89df

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.

  const result = spawnSync(executable[client], [...args], { encoding: "utf8", timeout: 10_000 });

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.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 12 min ago.

run in your terminal
claude mcp add cli --transport http https://sandbase.ai/v1/mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "cli": {
      "url": "https://sandbase.ai/v1/mcp"
    }
  }
}
~/.codex/config.toml
[mcp_servers.cli]
url = "https://sandbase.ai/v1/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "cli": {
      "url": "https://sandbase.ai/v1/mcp"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "cli": {
      "url": "https://sandbase.ai/v1/mcp"
    }
  }
}

This endpoint answered with an authorization challenge — the server is running, but you need an API key or OAuth to use it.

Endpoints

URLTransportStateLatencyChecked
https://sandbase.ai/v1/mcp streamable-http needs key 841 ms 12 min ago

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SandBase — questions

Answers built from our own checks of this server.

Why is there no tool list for SandBase?
The server answered our handshake with an authorization challenge, so it is running — but it will not describe its tools to an anonymous client. To see them you need to connect with your own credentials. We record it as alive, not as broken: 100.0% of checks in the last 24 hours got a reply.
Is SandBase working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 92 of 92 checks got a reply (100.0%), average response time 946 ms. The bar chart above shows every period we have measured.
How do I connect SandBase?
Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address. You will need your own credentials: it refuses anonymous clients.
Does SandBase need an API key?
Yes. Every time we knock, SandBase answers with an authorization challenge instead of its tool list — that is how we know it is running and gated rather than broken. Bring your own credentials and it will talk.
How fast is SandBase?
It answers our handshake in 946 ms on average, which is faster than 10% of all working MCP servers we measure. That is on the slow side — worth knowing if the tool sits inside an interactive loop. The comparison comes from our own checks across the whole registry, every 15 minutes.
Is SandBase open source?
Yes — it is published under the Apache-2.0 licence, written in TypeScript, 140 stars on GitHub and 2 open issues. The source link is on this page, so you can read exactly what it does with your data before you connect it.