OpenTrain MCP Server
by opentrain-aiio.github.OpenTrain-AI/opentrainv0.2.2
Hire human data labelers, RLHF annotators, and evaluators from your coding agent.
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Install OpenTrain MCP server
Install in Claude Code
claude mcp add opentrain -e OPENTRAIN_PERSONAL_API_TOKEN='<opentrain-personal-api-token>' -- npx -y @opentrain-ai/mcpInstall in Cursor
{
"mcpServers": {
"opentrain": {
"command": "npx",
"args": [
"-y",
"@opentrain-ai/mcp"
],
"env": {
"OPENTRAIN_PERSONAL_API_TOKEN": "<opentrain-personal-api-token>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"opentrain": {
"command": "npx",
"args": [
"-y",
"@opentrain-ai/mcp"
],
"env": {
"OPENTRAIN_PERSONAL_API_TOKEN": "<opentrain-personal-api-token>"
}
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"opentrain": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@opentrain-ai/mcp"
],
"env": {
"OPENTRAIN_PERSONAL_API_TOKEN": "<opentrain-personal-api-token>"
}
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"opentrain": {
"command": "npx",
"args": [
"-y",
"@opentrain-ai/mcp"
],
"env": {
"OPENTRAIN_PERSONAL_API_TOKEN": "<opentrain-personal-api-token>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Configuration
| Variable | Required | Secret | Description |
|---|---|---|---|
| OPENTRAIN_PERSONAL_API_TOKEN | — | yes | OpenTrain personal API token (ot_pat_...). Optional: if absent, the server can register an anonymous agent account at runtime for a human to claim. |
| OPENTRAIN_API_BASE_URL | — | — | OpenTrain API base URL. Defaults to https://app.opentrain.ai. |
Freshness
Slowing — last maintenance signal 4mo ago. The newest of the signals below sets the band.
Last commit (default branch)
no data · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-06-15 · 4mo ago · official registry · v0.2.2
FAQ
›How do I install the OpenTrain MCP server in Claude Code?
Run: claude mcp add opentrain -e OPENTRAIN_PERSONAL_API_TOKEN='<opentrain-personal-api-token>' -- npx -y @opentrain-ai/mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does OpenTrain require an API key?
Yes. It expects OPENTRAIN_PERSONAL_API_TOKEN, of which 1 is a secret.
›Can I use OpenTrain as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is OpenTrain in the official MCP registry?
Yes, as io.github.OpenTrain-AI/opentrain.