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<?php |
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/** |
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* Normalizes ability arguments for MCP protocol compatibility. |
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* |
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* @package McpAdapter |
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*/ |
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|
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declare( strict_types=1 ); |
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|
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namespace WP\MCP\Domain\Utils; |
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|
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/** |
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* Normalizes ability arguments between MCP and WordPress Abilities API. |
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* |
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* MCP clients send {} (empty object) for tools without arguments. |
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* PHP decodes this as [] (empty array). |
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* Abilities without input_schema expect null, not empty array. |
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* |
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* @since 0.5.0 |
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*/ |
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class AbilityArgumentNormalizer { |
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|
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/** |
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* Normalize parameters for an ability based on its input schema. |
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* |
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* If the ability has no input schema, empty arrays are converted to null. |
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* This ensures compatibility with abilities that don't accept parameters. |
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* |
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* @param \WP_Ability $ability The ability to normalize parameters for. |
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* @param mixed $parameters The parameters to normalize. |
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* |
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* @return mixed Normalized parameters (null if ability has no schema and params are empty). |
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* @since 0.5.0 |
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* |
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*/ |
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public static function normalize( \WP_Ability $ability, $parameters ) { |
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$input_schema = $ability->get_input_schema(); |
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|
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if ( empty( $input_schema ) && is_array( $parameters ) && empty( $parameters ) ) { |
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return null; |
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} |
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|
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return $parameters; |
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} |
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} |
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|
