OpenTrain
About
Hire human data labelers, RLHF annotators, and evaluators from your coding agent.
Use this server
Add it to your MCP client. The catalogue lists this config verbatim from its source — it does not run, download, or vouch for the server. Review the command before you run it.
Transportstdio (runs a local command)
Env vars
OPENTRAIN_PERSONAL_API_TOKEN OPENTRAIN_API_BASE_URLClaude Code
claude mcp add --env OPENTRAIN_PERSONAL_API_TOKEN= --env OPENTRAIN_API_BASE_URL= opentrain -- npx @opentrain-ai/mcp
Cursor
If the button doesn't open Cursor, use the JSON below — Cursor accepts the same mcpServers config.
VS Code
code --add-mcp '{"name":"opentrain","command":"npx","args":["@opentrain-ai/mcp"],"env":{"OPENTRAIN_PERSONAL_API_TOKEN":"","OPENTRAIN_API_BASE_URL":""}}'
JSON
{
"mcpServers": {
"opentrain": {
"command": "npx",
"args": [
"@opentrain-ai/mcp"
],
"env": {
"OPENTRAIN_PERSONAL_API_TOKEN": "",
"OPENTRAIN_API_BASE_URL": ""
}
}
}
}
Environment variables are listed by name only — fill in your own values. Entries never carry secrets.