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How to install SandBase Harness in Claude Code

To install SandBase Harness in Claude Code, run "claude mcp add sandbase-harness -e MANAGED_AGENTS_URL=YOUR_MANAGED_AGENTS_URL -- docker run -i --rm -e MANAGED_AGENTS_URL ghcr.io/sandbaseai/sandbase-harness-mcp:0.3.8" in your terminal, then check it with "claude mcp list". It takes about a minute.

Built from the published package · server updated 3 days ago

  1. 1

    Run the install command

    Open a terminal in your project and run:

    claude mcp add sandbase-harness -e MANAGED_AGENTS_URL=YOUR_MANAGED_AGENTS_URL -- docker run -i --rm -e MANAGED_AGENTS_URL ghcr.io/sandbaseai/sandbase-harness-mcp:0.3.8
  2. 2

    Choose where it applies (optional)

    Add --scope user to use it in every project, or --scope project to share it with your team through a .mcp.json file.

    claude mcp add --scope user sandbase-harness -e MANAGED_AGENTS_URL=YOUR_MANAGED_AGENTS_URL -- docker run -i --rm -e MANAGED_AGENTS_URL ghcr.io/sandbaseai/sandbase-harness-mcp:0.3.8
  3. 3

    Check that it is connected

    List your servers, or type /mcp inside a Claude Code session to see its status and tools.

    claude mcp list

MCP servers run with your permissions. If SandBase Harness needs an API key, add it under env in the config. Check its README.

Install SandBase Harness in another app

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Questions

Does SandBase Harness work in Claude Code?

Yes. Claude Code supports mcp servers (local and remote), skills and plugins, and SandBase Harness installs with the steps above.

SandBase Harness does not show up in Claude Code. What now?

Restart Claude Code fully, check the JSON is valid, and make sure Node.js (for npx) is installed. See common MCP errors and fixes.

Is SandBase Harness safe?

It scores 86 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.