diff --git a/apps/monitor/src/query.rs b/apps/monitor/src/query.rs
index be00d4a..93f005d 100644
--- a/apps/monitor/src/query.rs
+++ b/apps/monitor/src/query.rs
@@ -14,17 +14,10 @@ pub struct Response {
 
 pub fn evaluate(query: &Value, response: &Response) -> Result<bool> {
     match query {
+        Value::Array(clauses) => {
+            return Ok(clauses.iter().all(|c| evaluate(c, response).unwrap_or(false)));
+        }
         Value::Object(map) => {
-            if let Some(consider) = map.get("$consider") {
-                let is_down = consider.as_str() == Some("down");
-                let rest: serde_json::Map<String, Value> = map.iter()
-                    .filter(|(k, _)| k.as_str() != "$consider")
-                    .map(|(k, v)| (k.clone(), v.clone()))
-                    .collect();
-                let matches = evaluate(&Value::Object(rest), response).unwrap_or(false);
-                return Ok(if is_down { !matches } else { matches });
-            }
-
             if let Some(and) = map.get("$and") {
                 let Value::Array(clauses) = and else { bail!("$and expects array") };
                 return Ok(clauses.iter().all(|c| evaluate(c, response).unwrap_or(false)));
diff --git a/apps/web/src/dashboard/query-builder.js b/apps/web/src/dashboard/query-builder.js
index b85228f..8e43dde 100644
--- a/apps/web/src/dashboard/query-builder.js
+++ b/apps/web/src/dashboard/query-builder.js
@@ -20,7 +20,7 @@ class QueryBuilder {
     this.container = container;
     this.onChange = onChange;
     this.logic = '$and';
-    this.consider = 'up'; // 'up' | 'down'
+    this.invert = false; // true = wrap in $not (match = down)
     this.rules = this._defaultRules();
     this.render();
     // Notify the form that the default query is already populated, so submitting
@@ -48,7 +48,7 @@ class QueryBuilder {
       .filter(Boolean);
     if (conditions.length === 0) return null;
     const base = conditions.length === 1 ? conditions[0] : { [this.logic]: conditions };
-    if (this.consider === 'down') return { $consider: 'down', ...base };
+    if (this.invert) return { $not: base };
     return base;
   }
 
@@ -92,13 +92,19 @@ class QueryBuilder {
     if (!query || typeof query !== 'object') {
       this.rules = this._defaultRules();
       this.logic = '$and';
-      this.consider = 'up';
+      this.invert = false;
       this.render();
       return;
     }
 
-    this.consider = query.$consider === 'down' ? 'down' : 'up';
-    const q = Object.fromEntries(Object.entries(query).filter(([k]) => k !== '$consider'));
+    // Detect $not wrapper (inverted query = match means down)
+    let q = query;
+    if ('$not' in query && Object.keys(query).length === 1) {
+      this.invert = true;
+      q = query.$not;
+    } else {
+      this.invert = false;
+    }
 
     if ('$and' in q || '$or' in q) {
       this.logic = '$and' in q ? '$and' : '$or';
@@ -175,10 +181,10 @@ class QueryBuilder {
     this.container.innerHTML = `
       <div class="space-y-3">
         <div class="flex items-center gap-2 mb-4 flex-wrap">
-          <span class="text-sm text-gray-400">Consider</span>
-          <select id="qb-consider" class="bg-gray-800 border border-gray-700 text-sm rounded px-2 py-1 focus:border-blue-500 focus:outline-none font-medium ${this.consider === 'down' ? 'text-red-400' : 'text-green-400'}">
-            <option value="up"   ${this.consider === 'up'   ? 'selected' : ''}>UP</option>
-            <option value="down" ${this.consider === 'down' ? 'selected' : ''}>DOWN</option>
+          <span class="text-sm text-gray-400">Mark</span>
+          <select id="qb-consider" class="bg-gray-800 border border-gray-700 text-sm rounded px-2 py-1 focus:border-blue-500 focus:outline-none font-medium ${this.invert ? 'text-red-400' : 'text-green-400'}">
+            <option value="up"   ${!this.invert ? 'selected' : ''}>UP</option>
+            <option value="down" ${this.invert  ? 'selected' : ''}>DOWN</option>
           </select>
           <span class="text-sm text-gray-400">when</span>
           <select id="qb-logic" class="bg-gray-800 border border-gray-700 text-gray-200 text-sm rounded px-2 py-1 focus:border-blue-500 focus:outline-none">
@@ -205,7 +211,7 @@ class QueryBuilder {
     `;
 
     this.container.querySelector('#qb-consider').addEventListener('change', (e) => {
-      this.consider = e.target.value;
+      this.invert = e.target.value === 'down';
       this.render();
       this.onChange?.(this.getQuery());
     });
diff --git a/apps/web/src/views/docs.ejs b/apps/web/src/views/docs.ejs
index 1eee720..6ef6619 100644
--- a/apps/web/src/views/docs.ejs
+++ b/apps/web/src/views/docs.ejs
@@ -67,7 +67,6 @@
       <a href="#ql-json"      class="nav-link">$json</a>
       <a href="#ql-select"    class="nav-link">$html</a>
       <a href="#ql-logical"   class="nav-link">Logical</a>
-      <a href="#ql-consider"  class="nav-link">$consider</a>
 
       <div class="nav-section">Guides</div>
       <a href="#ql-examples" class="nav-link">Query examples</a>
@@ -518,29 +517,6 @@ Content-Type: application/json
         </div>
       </div>
 
-      <!-- $consider -->
-      <div id="ql-consider" class="section">
-        <h2>$consider</h2>
-        <p>By default, matching conditions mean the monitor is <strong style="color:#4ade80">up</strong>. Set <code style="color:#93c5fd;background:#0f172a;padding:0.1em 0.35em;border-radius:0.2rem;font-size:0.78rem">"$consider": "down"</code> to flip this. If the conditions match, the monitor is <strong style="color:#f87171">down</strong>.</p>
-        <div class="cb">
-          <div class="cb-header"><span class="cb-lang">json</span></div>
-          <pre><span class="c">// down if response time exceeds 2 seconds</span>
-{ <span class="o">"$consider"</span>: <span class="s">"down"</span>, <span class="k">"$time"</span>: { <span class="o">"$gt"</span>: <span class="n">2000</span> } }
-
-<span class="c">// down if cert expires in less than 7 days</span>
-{ <span class="o">"$consider"</span>: <span class="s">"down"</span>, <span class="k">"$certExpiry"</span>: { <span class="o">"$lt"</span>: <span class="n">7</span> } }
-
-<span class="c">// down if any of these match</span>
-{
-  <span class="o">"$consider"</span>: <span class="s">"down"</span>,
-  <span class="o">"$or"</span>: [
-    { <span class="k">"status"</span>: { <span class="o">"$ge"</span>: <span class="n">500</span> } },
-    { <span class="k">"$time"</span>: { <span class="o">"$gt"</span>: <span class="n">5000</span> } }
-  ]
-}</pre>
-        </div>
-      </div>
-
       <!-- Query examples -->
       <div id="ql-examples" class="section">
         <h2>Query examples</h2>
@@ -558,13 +534,13 @@ Content-Type: application/json
   ]
 }</pre></div>
 
-        <h3>Performance monitor (mark down if slow)</h3>
+        <h3>Performance monitor (down if slow)</h3>
         <div class="cb"><div class="cb-header"><span class="cb-lang">json</span></div>
-          <pre>{ <span class="o">"$consider"</span>: <span class="s">"down"</span>, <span class="k">"$time"</span>: { <span class="o">"$gt"</span>: <span class="n">1000</span> } }</pre></div>
+          <pre>{ <span class="k">"$time"</span>: { <span class="o">"$lt"</span>: <span class="n">1000</span> } }</pre></div>
 
         <h3>Cert expiry alert</h3>
         <div class="cb"><div class="cb-header"><span class="cb-lang">json</span></div>
-          <pre>{ <span class="o">"$consider"</span>: <span class="s">"down"</span>, <span class="k">"$certExpiry"</span>: { <span class="o">"$lt"</span>: <span class="n">14</span> } }</pre></div>
+          <pre>{ <span class="k">"$certExpiry"</span>: { <span class="o">"$gt"</span>: <span class="n">14</span> } }</pre></div>
 
         <h3>Status page (HTML)</h3>
         <div class="cb"><div class="cb-header"><span class="cb-lang">json</span></div>
@@ -573,23 +549,19 @@ Content-Type: application/json
         <h3>Page down if a JSON queue is backed up</h3>
         <p>Alert when a JSON field crosses a threshold. Most monitoring tools can't compose this without a script.</p>
         <div class="cb"><div class="cb-header"><span class="cb-lang">json</span></div>
-          <pre>{
-  <span class="o">"$consider"</span>: <span class="s">"down"</span>,
-  <span class="o">"$json"</span>: { <span class="s">"$.queue.depth"</span>: { <span class="o">"$gt"</span>: <span class="n">1000</span> } }
-}</pre></div>
+          <pre>{ <span class="o">"$json"</span>: { <span class="s">"$.queue.depth"</span>: { <span class="o">"$le"</span>: <span class="n">1000</span> } } }</pre></div>
 
         <h3>Down if any signal looks bad</h3>
-        <p>Compose multiple conditions with <code>$or</code> and flip the result with <code>$consider</code>.</p>
+        <p>Wrap <code>$or</code> in <code>$not</code> to mark down when any condition matches.</p>
         <div class="cb"><div class="cb-header"><span class="cb-lang">json</span></div>
-          <pre>{
-  <span class="o">"$consider"</span>: <span class="s">"down"</span>,
+          <pre>{ <span class="o">"$not"</span>: {
   <span class="o">"$or"</span>: [
     { <span class="k">"status"</span>: { <span class="o">"$ge"</span>: <span class="n">500</span> } },
     { <span class="k">"$time"</span>: { <span class="o">"$gt"</span>: <span class="n">3000</span> } },
     { <span class="o">"$json"</span>: { <span class="s">"$.healthy"</span>: { <span class="o">"$eq"</span>: <span class="n">false</span> } } },
     { <span class="o">"$html"</span>: { <span class="s">".error-banner"</span>: { <span class="o">"$exists"</span>: <span class="n">true</span> } } }
   ]
-}</pre></div>
+} }</pre></div>
 
         <h3>Up only when everything matches</h3>
         <p>Combine <code>$and</code> with header, body, and JSON checks for a strict definition of healthy.</p>