diff --git a/assets/css/admin.css b/assets/css/admin.css
index fbbc979..4abc8ff 100644
--- a/assets/css/admin.css
+++ b/assets/css/admin.css
@@ -314,6 +314,10 @@
 	text-decoration: none;
 }
 
+.aggregate-it .ai-tabs {
+	margin: 12px 0 20px;
+}
+
 .aggregate-it .ai-preview {
 	margin: 8px 0;
 	max-width: 880px;
diff --git a/src/Admin/Admin.php b/src/Admin/Admin.php
index 1540466..ff7485c 100644
--- a/src/Admin/Admin.php
+++ b/src/Admin/Admin.php
@@ -34,6 +34,7 @@ public function register(): void {
 		add_action( 'admin_post_aggregate_it_approve_hub', [ $this, 'handle_approve_hub' ] );
 		add_action( 'admin_post_aggregate_it_trash_hub', [ $this, 'handle_trash_hub' ] );
 		add_action( 'admin_post_aggregate_it_save_settings', [ $this, 'handle_save_settings' ] );
+		add_action( 'admin_post_aggregate_it_save_rules', [ $this, 'handle_save_rules' ] );
 		add_action( 'admin_post_aggregate_it_dismiss_setup', [ $this, 'handle_dismiss_setup' ] );
 		add_action( 'admin_post_aggregate_it_retry_article', [ $this, 'handle_retry_article' ] );
 		add_action( 'admin_post_aggregate_it_retry_failed', [ $this, 'handle_retry_failed' ] );
@@ -136,15 +137,6 @@ public function menu(): void {
 			self::SLUG . '-settings',
 			[ $this, 'render_settings' ]
 		);
-
-		$this->hooks[] = add_submenu_page(
-			self::SLUG,
-			__( 'Tools', 'aggregate-it' ),
-			__( 'Tools', 'aggregate-it' ),
-			'manage_options',
-			self::SLUG . '-tools',
-			[ $this, 'render_tools' ]
-		);
 	}
 
 	public function assets( string $hook ): void {
@@ -765,8 +757,98 @@ private function is_entity_post( int $id ): bool {
 	}
 
 	public function render_settings(): void {
+		$tab = isset( $_GET['tab'] ) ? sanitize_key( wp_unslash( $_GET['tab'] ) ) : 'general'; // phpcs:ignore WordPress.Security.NonceVerification
+		$tabs = [
+			'general' => __( 'General', 'aggregate-it' ),
+			'rules'   => __( 'Rules', 'aggregate-it' ),
+			'tools'   => __( 'Tools', 'aggregate-it' ),
+		];
+		if ( ! isset( $tabs[ $tab ] ) ) {
+			$tab = 'general';
+		}
+
 		$settings = $this->plugin->settings();
-		require AGGREGATE_IT_PATH . 'src/Admin/views/settings.php';
+
+		if ( $tab === 'rules' ) {
+			$public_types = get_post_types( [ 'public' => true ], 'objects' );
+			unset( $public_types['attachment'] );
+			$global       = $settings->global_rules();
+			$rtype        = isset( $_GET['rtype'] ) ? sanitize_key( wp_unslash( $_GET['rtype'] ) ) : ''; // phpcs:ignore WordPress.Security.NonceVerification
+			if ( ! isset( $public_types[ $rtype ] ) ) {
+				$saved_types = array_values( array_filter( array_keys( $global ), static fn ( $type ): bool => isset( $public_types[ $type ] ) ) );
+				$rtype       = (string) ( $saved_types[0] ?? ( isset( $public_types['post'] ) ? 'post' : (string) array_key_first( $public_types ) ) );
+			}
+			$rules    = (array) ( $global[ $rtype ] ?? [] );
+			$saved    = isset( $_GET['ai_notice'] ) && sanitize_key( wp_unslash( $_GET['ai_notice'] ) ) === 'saved'; // phpcs:ignore WordPress.Security.NonceVerification
+			$rule_ops = self::rule_op_labels();
+		}
+
+		if ( $tab === 'tools' ) {
+			$flash = get_transient( 'aggregate_it_flash' );
+			if ( $flash ) {
+				delete_transient( 'aggregate_it_flash' );
+			}
+			$flash_type = 'success';
+			if ( is_array( $flash ) ) {
+				$flash_type = sanitize_key( (string) ( $flash['type'] ?? 'success' ) );
+				$flash      = (string) ( $flash['message'] ?? '' );
+			}
+			$blacklist = $settings->blacklist_raw();
+			$events    = ActivityLog::recent( 200 );
+			$info      = $this->system_info();
+		}
+
+		echo '<div class="wrap aggregate-it">';
+		echo '<div class="ai-head"><h1>' . esc_html__( 'Settings', 'aggregate-it' ) . '</h1></div>';
+		echo '<nav class="nav-tab-wrapper ai-tabs">';
+		foreach ( $tabs as $key => $label ) {
+			printf(
+				'<a href="%s" class="nav-tab%s">%s</a>',
+				esc_url( admin_url( 'admin.php?page=' . self::SLUG . '-settings&tab=' . $key ) ),
+				$tab === $key ? ' nav-tab-active' : '',
+				esc_html( $label )
+			);
+		}
+		echo '</nav>';
+
+		$tab_embedded = true;
+		$view         = [ 'general' => 'settings.php', 'rules' => 'settings-rules.php', 'tools' => 'tools.php' ][ $tab ];
+		require AGGREGATE_IT_PATH . 'src/Admin/views/' . $view;
+
+		echo '</div>';
+	}
+
+	/** @return array<string,string> rule operator => label */
+	public static function rule_op_labels(): array {
+		return [
+			'always'       => __( 'always', 'aggregate-it' ),
+			'equals'       => __( 'equals', 'aggregate-it' ),
+			'not_equals'   => __( 'does not equal', 'aggregate-it' ),
+			'contains'     => __( 'contains', 'aggregate-it' ),
+			'not_contains' => __( 'does not contain', 'aggregate-it' ),
+			'empty'        => __( 'is empty', 'aggregate-it' ),
+			'not_empty'    => __( 'is not empty', 'aggregate-it' ),
+			'date_past'    => __( 'date is in the past', 'aggregate-it' ),
+			'date_future'  => __( 'date is in the future', 'aggregate-it' ),
+			'gt'           => __( 'greater than', 'aggregate-it' ),
+			'lt'           => __( 'less than', 'aggregate-it' ),
+		];
+	}
+
+	public function handle_save_rules(): void {
+		$this->guard( 'aggregate_it_save_rules' );
+
+		$rtype   = sanitize_key( wp_unslash( $_POST['rtype'] ?? '' ) );
+		$allowed = get_post_types( [ 'public' => true ], 'names' );
+		unset( $allowed['attachment'] );
+		if ( $rtype === '' || ! in_array( $rtype, $allowed, true ) ) {
+			$this->redirect( self::SLUG . '-settings', '', [ 'tab' => 'rules' ] );
+		}
+
+		$this->plugin->settings()->set_global_rules( $rtype, $this->rules_from_post() );
+		\AggregateIt\Maintenance\GlobalRulesRefresher::schedule_soon();
+
+		$this->redirect( self::SLUG . '-settings', 'saved', [ 'tab' => 'rules', 'rtype' => $rtype ] );
 	}
 
 	public function handle_save_settings(): void {
@@ -839,23 +921,6 @@ public function render_activity(): void {
 		require AGGREGATE_IT_PATH . 'src/Admin/views/activity.php';
 	}
 
-	public function render_tools(): void {
-		$settings = $this->plugin->settings();
-		$flash    = get_transient( 'aggregate_it_flash' );
-		if ( $flash ) {
-			delete_transient( 'aggregate_it_flash' );
-		}
-		$flash_type = 'success';
-		if ( is_array( $flash ) ) {
-			$flash_type = sanitize_key( (string) ( $flash['type'] ?? 'success' ) );
-			$flash      = (string) ( $flash['message'] ?? '' );
-		}
-		$blacklist = $settings->blacklist_raw();
-		$events    = ActivityLog::recent( 200 );
-		$info      = $this->system_info();
-		require AGGREGATE_IT_PATH . 'src/Admin/views/tools.php';
-	}
-
 	public function handle_bulk_add_sources(): void {
 		$this->guard( 'aggregate_it_bulk_add_sources' );
 
@@ -875,7 +940,7 @@ public function handle_bulk_add_sources(): void {
 
 		/* translators: %d: number of feeds added */
 		$this->flash( sprintf( _n( '%d feed added.', '%d feeds added.', $added, 'aggregate-it' ), $added ) );
-		$this->redirect( self::SLUG . '-tools', '' );
+		$this->redirect( self::SLUG . '-settings', '', [ 'tab' => 'tools' ] );
 	}
 
 	public function handle_save_blacklist(): void {
@@ -883,7 +948,7 @@ public function handle_save_blacklist(): void {
 
 		$this->plugin->settings()->set( 'blacklist', sanitize_textarea_field( wp_unslash( $_POST['blacklist'] ?? '' ) ) );
 		$this->flash( __( 'Blacklist saved.', 'aggregate-it' ) );
-		$this->redirect( self::SLUG . '-tools', '' );
+		$this->redirect( self::SLUG . '-settings', '', [ 'tab' => 'tools' ] );
 	}
 
 	public function handle_export_config(): void {
@@ -919,23 +984,23 @@ public function handle_import_config(): void {
 		$upload = $_FILES['config'] ?? null; // phpcs:ignore WordPress.Security.ValidatedSanitizedInput
 		if ( ! is_array( $upload ) ) {
 			$this->flash( __( 'Choose a JSON or XML file to import.', 'aggregate-it' ), 'error' );
-			$this->redirect( self::SLUG . '-tools', '' );
+			$this->redirect( self::SLUG . '-settings', '', [ 'tab' => 'tools' ] );
 		}
 
 		$raw = $this->read_import_upload( $upload );
 		if ( $raw === null ) {
-			$this->redirect( self::SLUG . '-tools', '' );
+			$this->redirect( self::SLUG . '-settings', '', [ 'tab' => 'tools' ] );
 		}
 
 		if ( str_starts_with( ltrim( $raw ), '<' ) ) {
 			$this->flash( $this->import_wxr_config( $raw ) );
-			$this->redirect( self::SLUG . '-tools', '' );
+			$this->redirect( self::SLUG . '-settings', '', [ 'tab' => 'tools' ] );
 		}
 
 		$data = json_decode( $raw, true );
 		if ( ! is_array( $data ) ) {
 			$this->flash( __( 'That file is not valid JSON or WordPress XML.', 'aggregate-it' ), 'error' );
-			$this->redirect( self::SLUG . '-tools', '' );
+			$this->redirect( self::SLUG . '-settings', '', [ 'tab' => 'tools' ] );
 		}
 
 		if ( isset( $data['aggregate_it_export'] ) ) {
@@ -952,14 +1017,14 @@ public function handle_import_config(): void {
 			}
 		}
 
-		$this->redirect( self::SLUG . '-tools', '' );
+		$this->redirect( self::SLUG . '-settings', '', [ 'tab' => 'tools' ] );
 	}
 
 	public function handle_clear_logs(): void {
 		$this->guard( 'aggregate_it_clear_logs' );
 		ActivityLog::clear();
 		$this->flash( __( 'Activity log cleared.', 'aggregate-it' ) );
-		$this->redirect( self::SLUG . '-tools', '' );
+		$this->redirect( self::SLUG . '-settings', '', [ 'tab' => 'tools' ] );
 	}
 
 	public function handle_reset(): void {
@@ -1000,7 +1065,7 @@ public function handle_reset(): void {
 				$this->flash( __( 'Nothing was reset.', 'aggregate-it' ) );
 		}
 
-		$this->redirect( self::SLUG . '-tools', '' );
+		$this->redirect( self::SLUG . '-settings', '', [ 'tab' => 'tools' ] );
 	}
 
 	private function flash( string $message, string $type = 'success' ): void {
@@ -1142,7 +1207,7 @@ private function import_wxr_config( string $raw ): string {
 
 		if ( $xml === false || ! isset( $xml->channel->item ) ) {
 			$this->flash( __( 'That file is not valid WordPress XML.', 'aggregate-it' ), 'error' );
-			$this->redirect( self::SLUG . '-tools', '' );
+			$this->redirect( self::SLUG . '-settings', '', [ 'tab' => 'tools' ] );
 		}
 
 		$sources = [];
diff --git a/src/Admin/views/activity.php b/src/Admin/views/activity.php
index a3acd8f..af35a3b 100644
--- a/src/Admin/views/activity.php
+++ b/src/Admin/views/activity.php
@@ -18,7 +18,9 @@
 };
 ?>
 <div class="wrap aggregate-it">
-	<h1><?php esc_html_e( 'Activity', 'aggregate-it' ); ?></h1>
+	<div class="ai-head">
+		<h1><?php esc_html_e( 'Activity', 'aggregate-it' ); ?></h1>
+	</div>
 
 	<form method="get" class="ai-act-filters">
 		<input type="hidden" name="page" value="aggregate-it-activity">
diff --git a/src/Admin/views/settings-rules.php b/src/Admin/views/settings-rules.php
new file mode 100644
index 0000000..34d6fa8
--- /dev/null
+++ b/src/Admin/views/settings-rules.php
@@ -0,0 +1,124 @@
+<?php
+
+namespace AggregateIt\Admin;
+
+defined( 'ABSPATH' ) || exit;
+
+/**
+ * @var object[]                          $public_types
+ * @var string                            $rtype
+ * @var array<int,array<string,string>>   $rules
+ * @var array<string,string>              $rule_ops
+ * @var bool                              $saved
+ */
+
+if ( ! $rules ) {
+	$rules = [ [ 'field' => '', 'op' => 'always', 'value' => '', 'set_key' => '', 'set_value' => '' ] ];
+}
+
+$render_rule_row = static function ( array $rule, array $rule_ops ): void {
+	?>
+	<tr class="ai-rule">
+		<td class="ai-rule-handle" title="<?php esc_attr_e( 'Drag to reorder', 'aggregate-it' ); ?>">⠿</td>
+		<td><input type="text" name="rule_field[]" list="ai-source-fields" value="<?php echo esc_attr( (string) ( $rule['field'] ?? '' ) ); ?>" placeholder="event_date"></td>
+		<td>
+			<select name="rule_op[]">
+				<?php foreach ( $rule_ops as $val => $label ) : ?>
+					<option value="<?php echo esc_attr( $val ); ?>" <?php selected( (string) ( $rule['op'] ?? 'always' ), $val ); ?>><?php echo esc_html( $label ); ?></option>
+				<?php endforeach; ?>
+			</select>
+		</td>
+		<td><input type="text" name="rule_value[]" value="<?php echo esc_attr( (string) ( $rule['value'] ?? '' ) ); ?>"></td>
+		<td><input type="text" name="rule_set_key[]" list="ai-meta-keys" value="<?php echo esc_attr( (string) ( $rule['set_key'] ?? '' ) ); ?>" placeholder="event_status"></td>
+		<td><input type="text" name="rule_set_value[]" value="<?php echo esc_attr( (string) ( $rule['set_value'] ?? '' ) ); ?>" placeholder="Upcoming or {event_date|Y-m-d}"></td>
+		<td><button type="button" class="button-link ai-rule-del" title="<?php esc_attr_e( 'Remove', 'aggregate-it' ); ?>">✕</button></td>
+	</tr>
+	<?php
+};
+
+$base = admin_url( 'admin.php?page=aggregate-it-settings&tab=rules' );
+?>
+<?php if ( $saved ) : ?>
+	<div class="notice notice-success is-dismissible"><p><?php esc_html_e( 'Rules saved. They’ll apply to existing posts shortly.', 'aggregate-it' ); ?></p></div>
+<?php endif; ?>
+
+<p>
+	<label for="ai-rtype"><strong><?php esc_html_e( 'Rules for post type', 'aggregate-it' ); ?></strong></label>
+	<select id="ai-rtype" onchange="window.location.href='<?php echo esc_url( $base ); ?>&rtype='+this.value;">
+		<?php foreach ( $public_types as $pt ) : ?>
+			<option value="<?php echo esc_attr( $pt->name ); ?>" <?php selected( $rtype, $pt->name ); ?>><?php echo esc_html( $pt->labels->singular_name ?? $pt->name ); ?> (<?php echo esc_html( $pt->name ); ?>)</option>
+		<?php endforeach; ?>
+	</select>
+</p>
+
+<form method="post" action="<?php echo esc_url( admin_url( 'admin-post.php' ) ); ?>">
+	<input type="hidden" name="action" value="aggregate_it_save_rules">
+	<input type="hidden" name="rtype" value="<?php echo esc_attr( $rtype ); ?>">
+	<?php wp_nonce_field( 'aggregate_it_save_rules' ); ?>
+
+	<table class="ai-rules-table widefat" id="ai-rules">
+		<thead><tr>
+			<th></th>
+			<th><?php esc_html_e( 'If field (meta key)', 'aggregate-it' ); ?></th>
+			<th><?php esc_html_e( 'Condition', 'aggregate-it' ); ?></th>
+			<th><?php esc_html_e( 'Value', 'aggregate-it' ); ?></th>
+			<th><?php esc_html_e( 'Set meta key', 'aggregate-it' ); ?></th>
+			<th><?php esc_html_e( 'To value', 'aggregate-it' ); ?></th>
+			<th></th>
+		</tr></thead>
+		<tbody id="ai-rules-body">
+			<?php foreach ( $rules as $rule ) : ?>
+				<?php $render_rule_row( (array) $rule, $rule_ops ); ?>
+			<?php endforeach; ?>
+		</tbody>
+	</table>
+	<p>
+		<button type="button" class="button" id="ai-rule-add"><?php esc_html_e( 'Add rule', 'aggregate-it' ); ?></button>
+		<button type="submit" class="button button-primary"><?php esc_html_e( 'Save rules', 'aggregate-it' ); ?></button>
+	</p>
+	<datalist id="ai-source-fields"></datalist>
+	<datalist id="ai-meta-keys"></datalist>
+	<template id="ai-rule-template"><?php $render_rule_row( [ 'op' => 'always' ], $rule_ops ); ?></template>
+</form>
+
+<script>
+( function () {
+	var cfg = window.AggregateItAdmin || {};
+	var body = document.getElementById( 'ai-rules-body' );
+	var add = document.getElementById( 'ai-rule-add' );
+	var tpl = document.getElementById( 'ai-rule-template' );
+	var rtype = <?php echo wp_json_encode( $rtype ); ?>;
+
+	function bind( row ) {
+		var del = row.querySelector( '.ai-rule-del' );
+		if ( del ) { del.addEventListener( 'click', function () { row.remove(); } ); }
+	}
+	if ( body ) { body.querySelectorAll( 'tr.ai-rule' ).forEach( bind ); }
+	if ( add && body && tpl ) {
+		add.addEventListener( 'click', function () {
+			body.appendChild( tpl.content.cloneNode( true ) );
+			bind( body.lastElementChild );
+			if ( window.jQuery && window.jQuery( body ).is( ':data(ui-sortable)' ) ) { window.jQuery( body ).sortable( 'refresh' ); }
+		} );
+	}
+
+	if ( cfg.root && rtype ) {
+		fetch( cfg.root + 'post-type-fields?type=' + encodeURIComponent( rtype ), { headers: { 'X-WP-Nonce': cfg.nonce } } )
+			.then( function ( r ) { return r.json(); } ).then( function ( data ) {
+				if ( ! data || ! data.fields ) { return; }
+				[ 'ai-source-fields', 'ai-meta-keys' ].forEach( function ( id ) {
+					var dl = document.getElementById( id );
+					if ( ! dl ) { return; }
+					dl.innerHTML = '';
+					data.fields.forEach( function ( k ) { var o = document.createElement( 'option' ); o.value = k; dl.appendChild( o ); } );
+				} );
+			} ).catch( function () {} );
+	}
+
+	window.addEventListener( 'load', function () {
+		if ( window.jQuery && window.jQuery.fn.sortable && body ) {
+			window.jQuery( body ).sortable( { handle: '.ai-rule-handle', items: '> tr', axis: 'y' } );
+		}
+	} );
+} )();
+</script>
diff --git a/src/Admin/views/settings.php b/src/Admin/views/settings.php
index eb45e46..236fe7b 100644
--- a/src/Admin/views/settings.php
+++ b/src/Admin/views/settings.php
@@ -13,11 +13,6 @@
 $keyword_list = implode( "\n", $settings->keyword_list() );
 $has_key = $settings->api_key() !== '';
 ?>
-<div class="wrap aggregate-it">
-	<div class="ai-head">
-		<h1><?php esc_html_e( 'Aggregate It — Settings', 'aggregate-it' ); ?></h1>
-	</div>
-
 	<?php if ( $notice === 'saved' ) : ?>
 		<div class="notice notice-success is-dismissible"><p><?php esc_html_e( 'Settings saved.', 'aggregate-it' ); ?></p></div>
 	<?php endif; ?>
@@ -272,4 +267,3 @@ function sync() {
 		}
 	} )();
 	</script>
-</div>
diff --git a/src/Admin/views/tools.php b/src/Admin/views/tools.php
index 3e84edf..db57fc6 100644
--- a/src/Admin/views/tools.php
+++ b/src/Admin/views/tools.php
@@ -22,11 +22,6 @@
 	$info_text .= $label . ': ' . $value . "\n";
 }
 ?>
-<div class="wrap aggregate-it">
-	<div class="ai-head">
-		<h1><?php esc_html_e( 'Tools', 'aggregate-it' ); ?></h1>
-	</div>
-
 	<?php if ( $flash ) : ?>
 		<div class="notice notice-<?php echo $flash_type === 'error' ? 'error' : 'success'; ?> is-dismissible"><p><?php echo esc_html( $flash ); ?></p></div>
 	<?php endif; ?>
@@ -152,4 +147,3 @@
 			</div>
 		</div>
 	</div>
-</div>
diff --git a/src/Maintenance/GlobalRulesRefresher.php b/src/Maintenance/GlobalRulesRefresher.php
new file mode 100644
index 0000000..8c36183
--- /dev/null
+++ b/src/Maintenance/GlobalRulesRefresher.php
@@ -0,0 +1,139 @@
+<?php
+
+namespace AggregateIt\Maintenance;
+
+use AggregateIt\Publish\Rules;
+use AggregateIt\Settings;
+use AggregateIt\Source\SourceRepository;
+
+defined( 'ABSPATH' ) || exit;
+
+/**
+ * Applies global per-post-type rules to every post of each configured type, reading the
+ * post's own meta as the field values. Runs daily (and on demand after a save) so derived
+ * meta like status stays correct as dates pass — for any post type, not just scraped ones.
+ */
+final class GlobalRulesRefresher {
+
+	private const HOOK  = 'aggregate_it_global_rules';
+	private const BATCH = 200;
+
+	/** @var array<int,array<string,bool>> source id => meta keys it governs */
+	private array $owned_cache = [];
+
+	public function __construct(
+		private Settings $settings,
+		private SourceRepository $sources
+	) {}
+
+	public function register(): void {
+		add_action( self::HOOK, [ $this, 'run' ] );
+
+		if ( ! wp_next_scheduled( self::HOOK ) ) {
+			wp_schedule_event( time() + HOUR_IN_SECONDS, 'daily', self::HOOK );
+		}
+	}
+
+	public static function schedule_soon(): void {
+		wp_schedule_single_event( time() + 5, self::HOOK );
+	}
+
+	public function run(): void {
+		$now = time();
+		foreach ( $this->settings->global_rules() as $type => $rules ) {
+			if ( is_array( $rules ) && $rules ) {
+				$this->apply_type( (string) $type, $rules, $now );
+			}
+		}
+	}
+
+	/** @param array<int,array<string,string>> $rules */
+	public function apply_type( string $type, array $rules, int $now ): void {
+		$needed = $this->referenced_fields( $rules );
+		$offset = 0;
+
+		do {
+			$ids = get_posts(
+				[
+					'post_type'      => $type,
+					'post_status'    => 'any',
+					'posts_per_page' => self::BATCH,
+					'offset'         => $offset,
+					'fields'         => 'ids',
+					'no_found_rows'  => true,
+				]
+			);
+
+			foreach ( (array) $ids as $id ) {
+				$values = $this->values_for( (int) $id, $needed );
+				$owned  = $this->source_owned_keys( (int) $id );
+				foreach ( Rules::apply( $values, $rules, $now ) as $key => $value ) {
+					$key = sanitize_key( (string) $key );
+					// A scraped post's per-source rules own these keys; leave them to win.
+					if ( isset( $owned[ $key ] ) ) {
+						continue;
+					}
+					update_post_meta( (int) $id, $key, $value );
+				}
+			}
+
+			$offset += self::BATCH;
+		} while ( count( (array) $ids ) === self::BATCH );
+	}
+
+	/**
+	 * @param array<int,array<string,string>> $rules
+	 * @return string[]
+	 */
+	private function referenced_fields( array $rules ): array {
+		$fields = [];
+		foreach ( $rules as $rule ) {
+			if ( ! empty( $rule['field'] ) ) {
+				$fields[ (string) $rule['field'] ] = true;
+			}
+			if ( preg_match_all( '/\{([a-z0-9_]+)/i', (string) ( $rule['set_value'] ?? '' ), $m ) ) {
+				foreach ( $m[1] as $f ) {
+					$fields[ strtolower( $f ) ] = true;
+				}
+			}
+		}
+		return array_keys( $fields );
+	}
+
+	/** @return array<string,bool> meta keys governed by the post's per-source scrape rules */
+	private function source_owned_keys( int $id ): array {
+		$sid = (int) get_post_meta( $id, '_ai_source_id', true );
+		if ( ! $sid ) {
+			return [];
+		}
+		if ( ! isset( $this->owned_cache[ $sid ] ) ) {
+			$source = $this->sources->get( $sid );
+			$keys   = [];
+			foreach ( $source ? $source->rules() : [] as $rule ) {
+				$key = sanitize_key( (string) ( $rule['set_key'] ?? '' ) );
+				if ( $key !== '' ) {
+					$keys[ $key ] = true;
+				}
+			}
+			$this->owned_cache[ $sid ] = $keys;
+		}
+		return $this->owned_cache[ $sid ];
+	}
+
+	/**
+	 * @param string[] $needed
+	 * @return array<string,string>
+	 */
+	private function values_for( int $id, array $needed ): array {
+		$values = [
+			'post_title' => (string) get_the_title( $id ),
+			'post_date'  => (string) get_post_field( 'post_date', $id ),
+		];
+		foreach ( $needed as $field ) {
+			if ( ! isset( $values[ $field ] ) ) {
+				$values[ $field ] = (string) get_post_meta( $id, $field, true );
+			}
+		}
+		return $values;
+	}
+}
diff --git a/src/Plugin.php b/src/Plugin.php
index 412381d..7076cff 100644
--- a/src/Plugin.php
+++ b/src/Plugin.php
@@ -138,6 +138,7 @@ public function boot(): void {
 		( new QueueWorker( $this->items, $this->pipeline, $this->cost, $this->cap, $this->settings ) )->register();
 		( new Maintenance\Retention( $this->items, $this->settings ) )->register();
 		( new Maintenance\RulesRefresher( $this->sources ) )->register();
+		( new Maintenance\GlobalRulesRefresher( $this->settings, $this->sources ) )->register();
 		( new RestController( $this ) )->register();
 
 		if ( is_admin() ) {
@@ -153,6 +154,7 @@ public static function deactivate(): void {
 		wp_clear_scheduled_hook( 'aggregate_it_import' );
 		wp_clear_scheduled_hook( 'aggregate_it_retention' );
 		wp_clear_scheduled_hook( 'aggregate_it_rules_refresh' );
+		wp_clear_scheduled_hook( 'aggregate_it_global_rules' );
 	}
 
 	public function settings(): Settings {
diff --git a/src/Settings.php b/src/Settings.php
index 1178708..af273c8 100644
--- a/src/Settings.php
+++ b/src/Settings.php
@@ -179,6 +179,23 @@ public function hub_review(): bool {
 		return (bool) $this->get( 'hub_review', false );
 	}
 
+	/** @return array<string,array<int,array<string,string>>> post type => rules */
+	public function global_rules(): array {
+		$rules = $this->get( 'global_rules', [] );
+		return is_array( $rules ) ? $rules : [];
+	}
+
+	/** @param array<int,array<string,string>> $rules */
+	public function set_global_rules( string $post_type, array $rules ): void {
+		$all = $this->global_rules();
+		if ( $rules ) {
+			$all[ $post_type ] = array_values( $rules );
+		} else {
+			unset( $all[ $post_type ] );
+		}
+		$this->set( 'global_rules', $all );
+	}
+
 	/** Skip feed items older than this many hours. 0 = no age limit. */
 	public function import_max_age_hours(): int {
 		return max( 0, (int) $this->get( 'import_max_age_hours', 48 ) );