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Look up attribute labels
An MCP tool from the Vercel API server, hosted on mcp.hjlabs.in.
Look up attribute labels Look up at most 100 labels by entity kind, attribute key, and value. Duplicate keys are returned once; absent values are listed in missing. [POST /v1/projects/{projectIdOrName}/feature-flags/labels/lookup]
Name on the gateway: vercel_api__lookup_flag_labels · may change things.
Parameters
| Name | Type | Description |
|---|---|---|
projectIdOrName required | string | projectIdOrName parameter |
teamId | string | The Team identifier to perform the request on behalf of. |
slug | string | The Team slug to perform the request on behalf of. |
items required | array |
How to call it
Through the Smart Gateway, any client can run it by name with call_tool, or let the gateway find it with search_tools:
{
"name": "vercel_api__lookup_flag_labels",
"arguments": {
"projectIdOrName": "…",
"items": []
}
}Or connect the Vercel API server directly, which lists 472 tools including this one:
claude mcp add --transport http hj-vercel-api https://mcp.hjlabs.in/mcp/vercel-api \
--header "Authorization: Bearer YOUR_API_KEY"Try asking
Use the look up attribute labels tool with projectIdOrName set to ….