diff --git a/src/Providers/Groq/Maps/ToolMap.php b/src/Providers/Groq/Maps/ToolMap.php
index 7f665f4cc..7a4a61ee0 100644
--- a/src/Providers/Groq/Maps/ToolMap.php
+++ b/src/Providers/Groq/Maps/ToolMap.php
@@ -21,10 +21,39 @@ public static function Map(array $tools): array
                 'description' => $tool->description(),
                 'parameters' => [
                     'type' => 'object',
-                    'properties' => $tool->parametersAsArray(),
+                    'properties' => static::relaxTypes($tool->parametersAsArray()),
                     'required' => $tool->requiredParameters(),
                 ],
             ],
         ], $tools);
     }
+
+    /**
+     * Llama models running on Groq consistently return all tool argument
+     * values as JSON strings, even when the schema declares boolean or number.
+     * Groq validates the model's output against our schema and rejects it:
+     *
+     *   Groq Error [400]: tool call validation failed: parameters for tool
+     *   get_transactions did not match schema: `/limit`: expected number,
+     *   but got string
+     *
+     * Wrapping non-string scalar types in anyOf accepts both the declared type
+     * and a plain string, so Groq passes the response through to the caller
+     * regardless of how the model serialised the value.
+     *
+     * @param  array<string, array<string, mixed>>  $properties
+     * @return array<string, array<string, mixed>>
+     */
+    protected static function relaxTypes(array $properties): array
+    {
+        return array_map(function (array $prop): array {
+            $type = $prop['type'] ?? null;
+            if (is_string($type) && in_array($type, ['boolean', 'number', 'integer'], true)) {
+                unset($prop['type']);
+                $prop['anyOf'] = [['type' => $type], ['type' => 'string']];
+            }
+
+            return $prop;
+        }, $properties);
+    }
 }