Home / Servers / Vercel API / create_project_env
Create one or more environment variables
An MCP tool from the Vercel API server, hosted on mcp.hjlabs.in.
Create one or more environment variables for a project by passing its key, value, type and target and by specifying the project by either passing the project id or name in the URL. If you include upsert=true as a query parameter, a new… [POST /v10/projects/{idOrName}/env]
Name on the gateway: vercel_api__create_project_env · may change things.
Parameters
| Name | Type | Description |
|---|---|---|
idOrName required | string | The unique project identifier or the project name |
upsert | string | Allow override of environment variable if it already exists |
teamId | string | The Team identifier to perform the request on behalf of. |
slug | string | The Team slug to perform the request on behalf of. |
key required | string | The name of the environment variable |
value required | string | The value of the environment variable |
type required | system | encrypted | plain | sensitive | The type of environment variable |
target | array | The target environment of the environment variable |
gitBranch | string | If defined, the git branch of the environment variable (must have… |
comment | string | A comment to add context on what this environment variable is for |
customEnvironmentIds | array | The custom environment IDs associated with the environment variable |
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__create_project_env",
"arguments": {
"idOrName": "…",
"key": "…",
"value": "…",
"type": "…"
}
}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 create one or more environment variables tool with idOrName set to ….