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Edit an environment variable
An MCP tool from the Vercel API server, hosted on mcp.hjlabs.in.
Edit an environment variable Edit a specific environment variable for a given project by passing the environment variable identifier and either passing the project id or name in the URL. [PATCH /v9/projects/{idOrName}/env/{id}]
Name on the gateway: vercel_api__edit_project_env · may change things.
Parameters
| Name | Type | Description |
|---|---|---|
idOrName required | string | The unique project identifier or the project name |
id required | string | The unique environment variable identifier |
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 | string | The name of the environment variable |
target | array | The target environment of the environment variable |
gitBranch | string | If defined, the git branch of the environment variable (must have… |
type | system | encrypted | plain | sensitive | The type of environment variable |
value | string | The value of the environment variable |
customEnvironmentIds | array | The custom environments that the environment variable should be synced to |
comment | string | A comment to add context on what this env var is for |
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__edit_project_env",
"arguments": {
"idOrName": "…",
"id": "…"
}
}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 edit an environment variable tool with idOrName set to ….