Function stdioEnvVarNames

packages/plugins/mcp/src/sdk/plugin.ts:423–427

(input: McpStdioServerInput)

 *  declaration plus the keys of any one-shot `env` values, de-duplicated and
 *  order-preserving. */
const stdioEnvVarNames = (input: McpStdioServerInput): readonly string[] => {
  const names = new Set<string>(input.envVars ?? []);
  for (const key of Object.keys(input.env ?? {})) names.add(key);
  return [...names];
};

/** Exported for tests: the credential/non-credential split is a security
 *  boundary (a value in `env` becomes something the user is asked to type),