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Get the signing key information for the JWT secret imported as signing key for t

An MCP tool from the Supabase Management API server, hosted on mcp.hjlabs.in.

Get the signing key information for the JWT secret imported as signing key for this project. This endpoint will be… [GET /v1/projects/{ref}/config/auth/signing-keys/legacy]

Name on the gateway: supabase_api__v1_get_legacy_signing_key · read-only.

Parameters

NameTypeDescription
ref requiredstringProject ref

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:

call_tool arguments
{
  "name": "supabase_api__v1_get_legacy_signing_key",
  "arguments": {
    "ref": "…"
  }
}

Or connect the Supabase Management API server directly, which lists 167 tools including this one:

Run in your terminal
claude mcp add --transport http hj-supabase-api https://mcp.hjlabs.in/mcp/supabase-api \
  --header "Authorization: Bearer YOUR_API_KEY"

Try asking

Use the get the signing key information for the jwt secret imported as signing key for t tool with ref set to ….

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