spec-no-required-params-after-optional

Required parameters must appear before any optional parameters in each method's params list.

Open-RPC	Compatibility
1.x	✅

API design principles

Placing required parameters after optional ones matches common RPC and Open-RPC conventions and avoids ambiguous positional calling patterns.

Option	Type	Description
severity	string	Possible values: `off`, `warn`, `error`. Default `error` (in `recommended` ruleset).

rules:
  spec-no-required-params-after-optional: error