What is the Harness MCP server?
MCP server for Harness API integration
How to install Harness
Copy-paste configuration for popular MCP clients.
transport: stdio
Config generated by PluginBench — verify against the source before use.Environment / auth
HARNESS_API_KEYrequiredsecretAPI Key for HARNESS
HARNESS_API_URLAPI URL for HARNESS
Claude Desktop
~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"harness-mcp-server": {
"command": "uvx",
"args": [
"harness-mcp-server"
],
"env": {
"HARNESS_API_KEY": "<YOUR_HARNESS_API_KEY>",
"HARNESS_API_URL": "<YOUR_HARNESS_API_URL>"
}
}
}
}Cursor
~/.cursor/mcp.json
{
"mcpServers": {
"harness-mcp-server": {
"command": "uvx",
"args": [
"harness-mcp-server"
],
"env": {
"HARNESS_API_KEY": "<YOUR_HARNESS_API_KEY>",
"HARNESS_API_URL": "<YOUR_HARNESS_API_URL>"
}
}
}
}Windsurf
~/.codeium/windsurf/mcp_config.json
{
"mcpServers": {
"harness-mcp-server": {
"command": "uvx",
"args": [
"harness-mcp-server"
],
"env": {
"HARNESS_API_KEY": "<YOUR_HARNESS_API_KEY>",
"HARNESS_API_URL": "<YOUR_HARNESS_API_URL>"
}
}
}
}VS Code
.vscode/mcp.json
{
"servers": {
"harness-mcp-server": {
"type": "stdio",
"command": "uvx",
"args": [
"harness-mcp-server"
],
"env": {
"HARNESS_API_KEY": "<YOUR_HARNESS_API_KEY>",
"HARNESS_API_URL": "<YOUR_HARNESS_API_URL>"
}
}
}
}Claude Code
claude mcp add harness-mcp-server --env HARNESS_API_KEY=<YOUR_HARNESS_API_KEY> --env HARNESS_API_URL=<YOUR_HARNESS_API_URL> -- uvx harness-mcp-server