diff --git a/packages/components/nodes/tools/AgentAsTool/AgentAsTool.ts b/packages/components/nodes/tools/AgentAsTool/AgentAsTool.ts
index 41cec7bf..8bb9c159 100644
--- a/packages/components/nodes/tools/AgentAsTool/AgentAsTool.ts
+++ b/packages/components/nodes/tools/AgentAsTool/AgentAsTool.ts
@@ -69,7 +69,8 @@ class AgentAsTool_Tools implements INode {
                 description: 'Override the config passed to the Agentflow.',
                 type: 'json',
                 optional: true,
-                additionalParams: true
+                additionalParams: true,
+                acceptVariable: true
             },
             {
                 label: 'Base URL',
diff --git a/packages/components/nodes/tools/ChatflowTool/ChatflowTool.ts b/packages/components/nodes/tools/ChatflowTool/ChatflowTool.ts
index 816f7d15..b42bf716 100644
--- a/packages/components/nodes/tools/ChatflowTool/ChatflowTool.ts
+++ b/packages/components/nodes/tools/ChatflowTool/ChatflowTool.ts
@@ -69,7 +69,8 @@ class ChatflowTool_Tools implements INode {
                 description: 'Override the config passed to the Chatflow.',
                 type: 'json',
                 optional: true,
-                additionalParams: true
+                additionalParams: true,
+                acceptVariable: true
             },
             {
                 label: 'Base URL',
diff --git a/packages/components/nodes/tools/OpenAPIToolkit/OpenAPIToolkit.ts b/packages/components/nodes/tools/OpenAPIToolkit/OpenAPIToolkit.ts
index ccc7ef7d..d4c66463 100644
--- a/packages/components/nodes/tools/OpenAPIToolkit/OpenAPIToolkit.ts
+++ b/packages/components/nodes/tools/OpenAPIToolkit/OpenAPIToolkit.ts
@@ -46,7 +46,8 @@ class OpenAPIToolkit_Tools implements INode {
                 type: 'json',
                 description: 'Request headers to be sent with the API request. For example, {"Authorization": "Bearer token"}',
                 additionalParams: true,
-                optional: true
+                optional: true,
+                acceptVariable: true
             },
             {
                 label: 'Remove null parameters',
diff --git a/packages/components/nodes/tools/RetrieverTool/RetrieverTool.ts b/packages/components/nodes/tools/RetrieverTool/RetrieverTool.ts
index 0010bce9..d95ee11d 100644
--- a/packages/components/nodes/tools/RetrieverTool/RetrieverTool.ts
+++ b/packages/components/nodes/tools/RetrieverTool/RetrieverTool.ts
@@ -173,7 +173,8 @@ class Retriever_Tools implements INode {
                 hint: {
                     label: 'What can you filter?',
                     value: howToUse
-                }
+                },
+                acceptVariable: true
             }
         ]
     }
diff --git a/packages/components/nodes/vectorstores/Chroma/Chroma.ts b/packages/components/nodes/vectorstores/Chroma/Chroma.ts
index 90fb2c55..80ddbe35 100644
--- a/packages/components/nodes/vectorstores/Chroma/Chroma.ts
+++ b/packages/components/nodes/vectorstores/Chroma/Chroma.ts
@@ -74,7 +74,8 @@ class Chroma_VectorStores implements INode {
                 name: 'chromaMetadataFilter',
                 type: 'json',
                 optional: true,
-                additionalParams: true
+                additionalParams: true,
+                acceptVariable: true
             },
             {
                 label: 'Top K',
diff --git a/packages/components/nodes/vectorstores/Couchbase/Couchbase.ts b/packages/components/nodes/vectorstores/Couchbase/Couchbase.ts
index 83c45271..cbc25fb4 100644
--- a/packages/components/nodes/vectorstores/Couchbase/Couchbase.ts
+++ b/packages/components/nodes/vectorstores/Couchbase/Couchbase.ts
@@ -96,7 +96,8 @@ class Couchbase_VectorStores implements INode {
                 name: 'couchbaseMetadataFilter',
                 type: 'json',
                 optional: true,
-                additionalParams: true
+                additionalParams: true,
+                acceptVariable: true
             },
             {
                 label: 'Top K',
diff --git a/packages/components/nodes/vectorstores/Kendra/Kendra.ts b/packages/components/nodes/vectorstores/Kendra/Kendra.ts
index 5bbe16d7..d870558c 100644
--- a/packages/components/nodes/vectorstores/Kendra/Kendra.ts
+++ b/packages/components/nodes/vectorstores/Kendra/Kendra.ts
@@ -86,7 +86,8 @@ class Kendra_VectorStores implements INode {
                 description: 'Optional filter to apply when retrieving documents',
                 type: 'json',
                 optional: true,
-                additionalParams: true
+                additionalParams: true,
+                acceptVariable: true
             }
         ]
         // Note: Kendra doesn't support MMR search, but keeping the structure consistent
diff --git a/packages/components/nodes/vectorstores/Meilisearch/Meilisearch.ts b/packages/components/nodes/vectorstores/Meilisearch/Meilisearch.ts
index eed428cd..7be405c6 100644
--- a/packages/components/nodes/vectorstores/Meilisearch/Meilisearch.ts
+++ b/packages/components/nodes/vectorstores/Meilisearch/Meilisearch.ts
@@ -89,7 +89,8 @@ class MeilisearchRetriever_node implements INode {
                 type: 'string',
                 description: 'search filter to apply on searchable attributes',
                 additionalParams: true,
-                optional: true
+                optional: true,
+                acceptVariable: true
             }
         ]
         this.outputs = [
diff --git a/packages/components/nodes/vectorstores/Milvus/Milvus.ts b/packages/components/nodes/vectorstores/Milvus/Milvus.ts
index ac2e4bd2..527d57bf 100644
--- a/packages/components/nodes/vectorstores/Milvus/Milvus.ts
+++ b/packages/components/nodes/vectorstores/Milvus/Milvus.ts
@@ -100,7 +100,8 @@ class Milvus_VectorStores implements INode {
                 description:
                     'Filter data with a simple string query. Refer Milvus <a target="_blank" href="https://milvus.io/blog/2022-08-08-How-to-use-string-data-to-empower-your-similarity-search-applications.md#Hybrid-search">docs</a> for more details.',
                 placeholder: 'doc=="a"',
-                additionalParams: true
+                additionalParams: true,
+                acceptVariable: true
             },
             {
                 label: 'Top K',
diff --git a/packages/components/nodes/vectorstores/MongoDBAtlas/MongoDBAtlas.ts b/packages/components/nodes/vectorstores/MongoDBAtlas/MongoDBAtlas.ts
index 785c6448..8fb6efc7 100644
--- a/packages/components/nodes/vectorstores/MongoDBAtlas/MongoDBAtlas.ts
+++ b/packages/components/nodes/vectorstores/MongoDBAtlas/MongoDBAtlas.ts
@@ -90,7 +90,8 @@ class MongoDBAtlas_VectorStores implements INode {
                 name: 'mongoMetadataFilter',
                 type: 'json',
                 optional: true,
-                additionalParams: true
+                additionalParams: true,
+                acceptVariable: true
             },
             {
                 label: 'Top K',
diff --git a/packages/components/nodes/vectorstores/Pinecone/Pinecone.ts b/packages/components/nodes/vectorstores/Pinecone/Pinecone.ts
index c9ff257f..972f8b71 100644
--- a/packages/components/nodes/vectorstores/Pinecone/Pinecone.ts
+++ b/packages/components/nodes/vectorstores/Pinecone/Pinecone.ts
@@ -97,7 +97,8 @@ class Pinecone_VectorStores implements INode {
                 name: 'pineconeMetadataFilter',
                 type: 'json',
                 optional: true,
-                additionalParams: true
+                additionalParams: true,
+                acceptVariable: true
             },
             {
                 label: 'Top K',
diff --git a/packages/components/nodes/vectorstores/Postgres/Postgres.ts b/packages/components/nodes/vectorstores/Postgres/Postgres.ts
index ad0f82bb..ce4a7ba2 100644
--- a/packages/components/nodes/vectorstores/Postgres/Postgres.ts
+++ b/packages/components/nodes/vectorstores/Postgres/Postgres.ts
@@ -194,7 +194,8 @@ class Postgres_VectorStores implements INode {
                 name: 'pgMetadataFilter',
                 type: 'json',
                 additionalParams: true,
-                optional: true
+                optional: true,
+                acceptVariable: true
             },
             {
                 label: 'Content Column Name',
diff --git a/packages/components/nodes/vectorstores/Qdrant/Qdrant.ts b/packages/components/nodes/vectorstores/Qdrant/Qdrant.ts
index 2bdbcf35..d6bd2157 100644
--- a/packages/components/nodes/vectorstores/Qdrant/Qdrant.ts
+++ b/packages/components/nodes/vectorstores/Qdrant/Qdrant.ts
@@ -171,7 +171,8 @@ class Qdrant_VectorStores implements INode {
                 description: 'Only return points which satisfy the conditions',
                 type: 'json',
                 additionalParams: true,
-                optional: true
+                optional: true,
+                acceptVariable: true
             }
         ]
         this.outputs = [
diff --git a/packages/components/nodes/vectorstores/Supabase/Supabase.ts b/packages/components/nodes/vectorstores/Supabase/Supabase.ts
index 72f84f20..9a088eb2 100644
--- a/packages/components/nodes/vectorstores/Supabase/Supabase.ts
+++ b/packages/components/nodes/vectorstores/Supabase/Supabase.ts
@@ -79,7 +79,8 @@ class Supabase_VectorStores implements INode {
                 name: 'supabaseMetadataFilter',
                 type: 'json',
                 optional: true,
-                additionalParams: true
+                additionalParams: true,
+                acceptVariable: true
             },
             {
                 label: 'Supabase RPC Filter',
diff --git a/packages/components/nodes/vectorstores/Upstash/Upstash.ts b/packages/components/nodes/vectorstores/Upstash/Upstash.ts
index d126daa8..2886afcf 100644
--- a/packages/components/nodes/vectorstores/Upstash/Upstash.ts
+++ b/packages/components/nodes/vectorstores/Upstash/Upstash.ts
@@ -80,7 +80,8 @@ class Upstash_VectorStores implements INode {
                 name: 'upstashMetadataFilter',
                 type: 'string',
                 optional: true,
-                additionalParams: true
+                additionalParams: true,
+                acceptVariable: true
             },
             {
                 label: 'Top K',
diff --git a/packages/components/nodes/vectorstores/Vectara/Vectara.ts b/packages/components/nodes/vectorstores/Vectara/Vectara.ts
index 9514bdc8..ae752602 100644
--- a/packages/components/nodes/vectorstores/Vectara/Vectara.ts
+++ b/packages/components/nodes/vectorstores/Vectara/Vectara.ts
@@ -65,7 +65,8 @@ class Vectara_VectorStores implements INode {
                     'Filter to apply to Vectara metadata. Refer to the <a target="_blank" href="https://docs.flowiseai.com/vector-stores/vectara">documentation</a> on how to use Vectara filters with Flowise.',
                 type: 'string',
                 additionalParams: true,
-                optional: true
+                optional: true,
+                acceptVariable: true
             },
             {
                 label: 'Sentences Before',
diff --git a/packages/components/nodes/vectorstores/Weaviate/Weaviate.ts b/packages/components/nodes/vectorstores/Weaviate/Weaviate.ts
index 5d83eaa9..05bfe239 100644
--- a/packages/components/nodes/vectorstores/Weaviate/Weaviate.ts
+++ b/packages/components/nodes/vectorstores/Weaviate/Weaviate.ts
@@ -120,7 +120,8 @@ class Weaviate_VectorStores implements INode {
                 name: 'weaviateFilter',
                 type: 'json',
                 additionalParams: true,
-                optional: true
+                optional: true,
+                acceptVariable: true
             }
         ]
         addMMRInputParams(this.inputs)
diff --git a/packages/components/nodes/vectorstores/Zep/Zep.ts b/packages/components/nodes/vectorstores/Zep/Zep.ts
index 5caa8e51..8158ccc8 100644
--- a/packages/components/nodes/vectorstores/Zep/Zep.ts
+++ b/packages/components/nodes/vectorstores/Zep/Zep.ts
@@ -69,7 +69,8 @@ class Zep_VectorStores implements INode {
                 name: 'zepMetadataFilter',
                 type: 'json',
                 optional: true,
-                additionalParams: true
+                additionalParams: true,
+                acceptVariable: true
             },
             {
                 label: 'Embedding Dimension',
diff --git a/packages/components/nodes/vectorstores/ZepCloud/ZepCloud.ts b/packages/components/nodes/vectorstores/ZepCloud/ZepCloud.ts
index c7e68f05..862b496b 100644
--- a/packages/components/nodes/vectorstores/ZepCloud/ZepCloud.ts
+++ b/packages/components/nodes/vectorstores/ZepCloud/ZepCloud.ts
@@ -59,7 +59,8 @@ class Zep_CloudVectorStores implements INode {
                 name: 'zepMetadataFilter',
                 type: 'json',
                 optional: true,
-                additionalParams: true
+                additionalParams: true,
+                acceptVariable: true
             },
             {
                 label: 'Top K',