Home / Servers / Vercel API / write_session_files
Write files
An MCP tool from the Vercel API server, hosted on mcp.hjlabs.in.
Write files Uploads and extracts files to a session's filesystem. Files must be uploaded as a gzipped tarball (.tar.gz) with the Content-Type header set to application/gzip. The tarball contents are extracted… [POST /v2/sandboxes/sessions/{sessionId}/fs/write]
Name on the gateway: vercel_api__write_session_files · may change things.
Parameters
| Name | Type | Description |
|---|---|---|
sessionId required | string | The unique identifier of the session to write files to. |
teamId | string | The Team identifier to perform the request on behalf of. |
slug | string | The Team slug to perform the request on behalf of. |
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__write_session_files",
"arguments": {
"sessionId": "…"
}
}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 write files tool with sessionId set to ….