diff --git a/MEV_by_chains/MEV_on_Ethereum/geth_and_k8s/README.md b/MEV_by_chains/MEV_on_Ethereum/geth_and_k8s/README.md
index 6cbe317..be05448 100644
--- a/MEV_by_chains/MEV_on_Ethereum/geth_and_k8s/README.md
+++ b/MEV_by_chains/MEV_on_Ethereum/geth_and_k8s/README.md
@@ -106,4 +106,5 @@ Chain ID: 137
 
 * [geth commands](https://geth.ethereum.org/docs/interface/command-line-options)
 * [geth with mev seacher additions, by code0x2)
+* [graphql server on geth node](https://twitter.com/libevm/status/1467376978697211904)