AI Plugin Index
SandBase Harness
CommunityMCP server by sandbaseai · updated · ★ 640
Stdio MCP bridge for SandBase Harness agents, sessions, turns, artifacts, and cancellation. SandBase Harness is a community project by sandbaseai, not verified by a company domain.
Last commit 3 days ago
Apache-2.0: permissive, fine for commercial use
Clear description, published package or server URL, 640 stars, original repository
Not checked yet. What we check
Install SandBase Harness
Built from the published package, never by AIclaude mcp add sandbase-harness -- docker run -i --rm ghcr.io/sandbaseai/sandbase-harness-mcp:0.3.8Run in your terminal. Add --scope user to use it in every project.
{
"mcpServers": {
"sandbase-harness": {
"command": "docker",
"args": [
"run",
"-i",
"--rm",
"ghcr.io/sandbaseai/sandbase-harness-mcp:0.3.8"
]
}
}
}Settings, Developer, Edit config. Paste into claude_desktop_config.json and restart.
{
"mcpServers": {
"sandbase-harness": {
"command": "docker",
"args": [
"run",
"-i",
"--rm",
"ghcr.io/sandbaseai/sandbase-harness-mcp:0.3.8"
]
}
}
}Add to ~/.cursor/mcp.json (all projects) or .cursor/mcp.json (this project).
{
"servers": {
"sandbase-harness": {
"command": "docker",
"args": [
"run",
"-i",
"--rm",
"ghcr.io/sandbaseai/sandbase-harness-mcp:0.3.8"
]
}
}
}Add to .vscode/mcp.json. VS Code uses "servers", not "mcpServers".
codex mcp add sandbase-harness -- docker run -i --rm ghcr.io/sandbaseai/sandbase-harness-mcp:0.3.8{
"mcpServers": {
"sandbase-harness": {
"command": "docker",
"args": [
"run",
"-i",
"--rm",
"ghcr.io/sandbaseai/sandbase-harness-mcp:0.3.8"
]
}
}
}Add to ~/.gemini/config/mcp_config.json (all projects) or .agents/mcp_config.json (this project).
gemini mcp add sandbase-harness docker run -i --rm ghcr.io/sandbaseai/sandbase-harness-mcp:0.3.8Gemini CLI was replaced by Antigravity CLI in June 2026 and remains only for enterprise licences and paid API keys.
MCP servers run with your permissions and can read what you give them access to. Some need an API key: check the README and add it under env in the sandbase-harness block.
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SandBase Harness: common questions
How do I install SandBase Harness?
In Claude Code run claude mcp add sandbase-harness -- docker run -i --rm ghcr.io/sandbaseai/sandbase-harness-mcp:0.3.8. For Claude Desktop, Cursor and VS Code, paste the config shown above and restart. See the install guides.
Is SandBase Harness the official server?
SandBase Harness is a community project by sandbaseai, not verified by a company domain.
Is SandBase Harness free?
The code is published under the Apache-2.0 licence. The service it connects to may have its own pricing.
Is SandBase Harness safe to use?
It scores 86 of 100. Grades: maintenance A, licence A, quality A. The security check has not run for it yet. Review the code before you install. How grades work.
What are alternatives to SandBase Harness?
Similar MCP servers: Harness, MCP Registry Server, ref-tools-ref-tools-mcp, Microsoft Learn MCP.
Does SandBase Harness work with ChatGPT?
Not directly. It runs locally, and ChatGPT only connects to remote servers with a URL. Use it in Claude Code, Claude Desktop, Cursor, VS Code or Codex.