Who maintains SandBase Harness?

SandBase Harness is maintained by sandbaseai, which publishes 2 MCP servers (3 total versions) tracked on MCP Toplist.

Is SandBase Harness listed on the Official MCP Registry?

Yes — SandBase Harness is listed on the Official MCP Registry.

How many versions does SandBase Harness have?

MCP Toplist tracks 2 versions of SandBase Harness, most recently published on Aug 30, 2026.

Where can I find the source code for SandBase Harness?

The source code for SandBase Harness is hosted at github.com/sandbaseai/sandbase-harness.

SERVER

SandBase Harness

Rank #761

io.github.sandbaseai/sandbase-harness

Stdio MCP bridge for SandBase Harness agents, sessions, turns, artifacts, and cancellation.

2 versions

637 GitHub stars

by sandbaseai (2 servers)View repository ↗

First listed

Aug 19, 2026

Last publish date

Aug 30, 2026

OVERVIEW

SandBase Harness is a Model Context Protocol (MCP) server published by sandbaseai. It ranks #761 of 115,460 servers tracked on MCP Toplist, and its repository has 637 GitHub stars. SandBase Harness is listed on Official MCP, with 2 tracked versions. It was first listed on Aug 19, 2026 and most recently updated on Aug 30, 2026.

STANDING

#761of 115,460 tracked serversTop 1%

Ranks ahead of 114,699 of 115,460 servers on MCP Toplist.

CONNECT

Use SandBase Harness

API keyNeeds credentials

Requires user-supplied configuration before first use — typically an API key, token or connection string set via environment variables.

Docker image

claude mcp add sandbase-harness -e "MANAGED_AGENTS_URL=<your MANAGED_AGENTS_URL>" -e "MANAGED_AGENTS_API_KEY=<your MANAGED_AGENTS_API_KEY>" -- docker run -i --rm ghcr.io/sandbaseai/sandbase-harness-mcp:0.3.8

Replace each placeholder with your own value before saving.

Docker image

[mcp_servers.sandbase-harness]
command = "docker"
args = ["run", "-i", "--rm", "ghcr.io/sandbaseai/sandbase-harness-mcp:0.3.8"]

[mcp_servers.sandbase-harness.env]
MANAGED_AGENTS_URL = "<your MANAGED_AGENTS_URL>"
MANAGED_AGENTS_API_KEY = "<your MANAGED_AGENTS_API_KEY>"

Add to ~/.codex/config.toml. Replace each placeholder with your own value before saving.

Docker image

{
  "mcpServers": {
    "sandbase-harness": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/sandbaseai/sandbase-harness-mcp:0.3.8"
      ],
      "env": {
        "MANAGED_AGENTS_URL": "<your MANAGED_AGENTS_URL>",
        "MANAGED_AGENTS_API_KEY": "<your MANAGED_AGENTS_API_KEY>"
      }
    }
  }
}

Add to claude_desktop_config.json (Settings → Developer → Edit Config). Replace each placeholder with your own value before saving.

Docker image

{
  "mcpServers": {
    "sandbase-harness": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/sandbaseai/sandbase-harness-mcp:0.3.8"
      ],
      "env": {
        "MANAGED_AGENTS_URL": "<your MANAGED_AGENTS_URL>",
        "MANAGED_AGENTS_API_KEY": "<your MANAGED_AGENTS_API_KEY>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project). Replace each placeholder with your own value before saving.

Docker image

{
  "servers": {
    "sandbase-harness": {
      "type": "stdio",
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/sandbaseai/sandbase-harness-mcp:0.3.8"
      ],
      "env": {
        "MANAGED_AGENTS_URL": "<your MANAGED_AGENTS_URL>",
        "MANAGED_AGENTS_API_KEY": "<your MANAGED_AGENTS_API_KEY>"
      }
    }
  }
}

Save as .vscode/mcp.json in your workspace. Replace each placeholder with your own value before saving.

Docker image

{
  "mcpServers": {
    "sandbase-harness": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/sandbaseai/sandbase-harness-mcp:0.3.8"
      ],
      "env": {
        "MANAGED_AGENTS_URL": "<your MANAGED_AGENTS_URL>",
        "MANAGED_AGENTS_API_KEY": "<your MANAGED_AGENTS_API_KEY>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json. Replace each placeholder with your own value before saving.

Docker image

{
  "mcpServers": {
    "sandbase-harness": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/sandbaseai/sandbase-harness-mcp:0.3.8"
      ],
      "env": {
        "MANAGED_AGENTS_URL": "<your MANAGED_AGENTS_URL>",
        "MANAGED_AGENTS_API_KEY": "<your MANAGED_AGENTS_API_KEY>"
      }
    }
  }
}

Replace each placeholder with your own value before saving.

BADGE

Show your rank

Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.

Markdown

[![MCP Toplist](https://mcptoplist.com/badge/io.github.sandbaseai%2Fsandbase-harness.svg)](https://mcptoplist.com/server/io.github.sandbaseai%2Fsandbase-harness)

HTML

<a href="https://mcptoplist.com/server/io.github.sandbaseai%2Fsandbase-harness"><img src="https://mcptoplist.com/badge/io.github.sandbaseai%2Fsandbase-harness.svg" alt="MCP Toplist: Top 1% of 115,460" /></a>

Variants: append ?metric=score or ?metric=stars to the image URL.

REGISTRIES

Listed on 1 registry

Official MCP

ORGANIZATION

sandbaseai

Organization

sandbaseai

Servers in org

Versions across org

Other servers by sandbaseai

SandBase#1,662 · 1 ver

View all sandbaseai servers →

VERSIONS

Available versions (2)

Version	Published
0.3.8	Aug 30, 2026
0.3.4	Aug 19, 2026

FAQ

Frequently asked questions

Who maintains SandBase Harness?: SandBase Harness is maintained by sandbaseai, which publishes 2 MCP servers (3 total versions) tracked on MCP Toplist.
Is SandBase Harness listed on the Official MCP Registry?: Yes — SandBase Harness is listed on the Official MCP Registry.
How many versions does SandBase Harness have?: MCP Toplist tracks 2 versions of SandBase Harness, most recently published on Aug 30, 2026.
Where can I find the source code for SandBase Harness?: The source code for SandBase Harness is hosted at github.com/sandbaseai/sandbase-harness.

EXPLORE

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