diff --git a/.github/workflows/validate-config-schema.yml b/.github/workflows/validate-config-schema.yml
new file mode 100644
index 0000000..f0b5884
--- /dev/null
+++ b/.github/workflows/validate-config-schema.yml
@@ -0,0 +1,34 @@
+name: Validate JSON Schema
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+  workflow_dispatch:
+
+jobs:
+  validate_json:
+    runs-on: ubuntu-latest
+
+    steps:
+      # Checkout the repository code
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      # Set up Node.js to install ajv-cli
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: "18.x"
+
+      # Install ajv-cli globally
+      - name: Install ajv-cli
+        run: npm install -g ajv-cli
+
+      # Validate JSON against schema
+      - name: Validate config.json with schema.json
+        run: |
+          ajv validate -s config/config.schema.json -d config/config.json --strict=true
diff --git a/config/config.json b/config/config.json
new file mode 100644
index 0000000..3299e8e
--- /dev/null
+++ b/config/config.json
@@ -0,0 +1,126 @@
+{
+  "apis": {
+    "execution": {
+      "httpRpc": {
+        "port": 8545
+      },
+      "wsRpc": {
+        "port": 8546
+      },
+      "engine": {
+        "port": 8551
+      }
+    },
+    "consensus": {
+      "beacon": {
+        "port": 3500
+      },
+      "validator": {
+        "port": 3500,
+        "auth": {
+          "prysm": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.e30.MxwOozSH-TLbW_XKepjyYDHm2IT8Ki0tD3AHuajfNMg",
+          "lighthouse": "api-token-0x0200e6ce18e26fd38caca7ae1bfb9e2bba7efb20ed2746ad17f2f6dda44603152d",
+          "teku": "cd4892ca35d2f5d3e2301a65fc7aa660",
+          "lodestar": "api-token-0x7fd16fff6453982a5d8bf14617e7823b68cd18ade59985befe64e0a659300e7d",
+          "nimbus": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.e30.MxwOozSH-TLbW_XKepjyYDHm2IT8Ki0tD3AHuajfNMg"
+        }
+      }
+    },
+    "signer": {
+      "web3signer": {
+        "port": 9000
+      },
+      "brain": {
+        "port": 3000
+      }
+    },
+    "mev-boost": {
+      "mev-boost": {
+        "port": 18550
+      }
+    }
+  },
+  "networks": {
+    "mainnet": {
+      "jwt": "7ad9cfdec75eceb662f5e48f5765701c17f51a5233a60fbcfa5f9e4000000001",
+      "packages": {
+        "execution": [
+          "geth.dnp.dappnode.eth",
+          "nethermind.public.dappnode.eth",
+          "besu.public.dappnode.eth",
+          "erigon.dnp.dappnode.eth",
+          "reth.dnp.dappnode.eth"
+        ],
+        "consensus": [
+          "prysm.dnp.dappnode.eth",
+          "lighthouse.dnp.dappnode.eth",
+          "teku.dnp.dappnode.eth",
+          "lodestar.dnp.dappnode.eth",
+          "nimbus.dnp.dappnode.eth"
+        ],
+        "signer": ["web3signer.dnp.dappnode.eth"],
+        "mev-boost": ["mev-boost.dnp.dappnode.eth"]
+      }
+    },
+    "holesky": {
+      "jwt": "7ad9cfdec75eceb662f5e48f5765701c17f51a5233a60fbcfa5f9e4000004268",
+      "packages": {
+        "execution": [
+          "holesky-geth.dnp.dappnode.eth",
+          "holesky-nethermind.dnp.dappnode.eth",
+          "holesky-besu.dnp.dappnode.eth",
+          "holesky-erigon.dnp.dappnode.eth",
+          "holesky-reth.dnp.dappnode.eth"
+        ],
+        "consensus": [
+          "prysm-holesky.dnp.dappnode.eth",
+          "lighthouse-holesky.dnp.dappnode.eth",
+          "teku-holesky.dnp.dappnode.eth",
+          "lodestar-holesky.dnp.dappnode.eth",
+          "nimbus-holesky.dnp.dappnode.eth"
+        ],
+        "signer": ["web3signer-holesky.dnp.dappnode.eth"],
+        "mev-boost": ["mev-boost-holesky.dnp.dappnode.eth"]
+      }
+    },
+    "gnosis": {
+      "jwt": "7ad9cfdec75eceb662f5e48f5765701c17f51a5233a60fbcfa5f9e4000000064",
+      "packages": {
+        "execution": [
+          "nethermind-xdai.dnp.dappnode.eth",
+          "gnosis-erigon.dnp.dappnode.eth"
+        ],
+        "consensus": [
+          "gnosis-beacon-chain-prysm.dnp.dappnode.eth",
+          "lighthouse-gnosis.dnp.dappnode.eth",
+          "teku-gnosis.dnp.dappnode.eth",
+          "lodestar-gnosis.dnp.dappnode.eth",
+          "nimbus-gnosis.dnp.dappnode.eth"
+        ],
+        "signer": ["web3signer-gnosis.dnp.dappnode.eth"],
+        "mev-boost": []
+      }
+    },
+    "lukso": {
+      "jwt": "7ad9cfdec75eceb662f5e48f5765701c17f51a5233a60fbcfa5f9e400000002a",
+      "packages": {
+        "execution": ["lukso-geth.dnp.dappnode.eth"],
+        "consensus": [
+          "prysm-lukso.dnp.dappnode.eth",
+          "teku-lukso.dnp.dappnode.eth"
+        ],
+        "signer": ["web3signer-lukso.dnp.dappnode.eth"],
+        "mev-boost": []
+      }
+    },
+    "sepolia": {
+      "jwt": "7ad9cfdec75eceb662f5e48f5765701c17f51a5233a60fbcfa5f9e4000aa36a7",
+      "packages": {
+        "execution": ["sepolia-geth.dnp.dappnode.eth"],
+        "consensus": ["prysm-sepolia.dnp.dappnode.eth"],
+        "signer": [],
+        "mev-boost": []
+      }
+    }
+  }
+}
diff --git a/config/config.schema.json b/config/config.schema.json
new file mode 100644
index 0000000..01a44ea
--- /dev/null
+++ b/config/config.schema.json
@@ -0,0 +1,260 @@
+{
+  "type": "object",
+  "properties": {
+    "apis": {
+      "type": "object",
+      "properties": {
+        "execution": {
+          "type": "object",
+          "properties": {
+            "httpRpc": {
+              "type": "object",
+              "properties": {
+                "port": { "type": "integer" }
+              },
+              "required": ["port"]
+            },
+            "wsRpc": {
+              "type": "object",
+              "properties": {
+                "port": { "type": "integer" }
+              },
+              "required": ["port"]
+            },
+            "engine": {
+              "type": "object",
+              "properties": {
+                "port": { "type": "integer" }
+              },
+              "required": ["port"]
+            }
+          },
+          "required": ["httpRpc", "wsRpc", "engine"]
+        },
+        "consensus": {
+          "type": "object",
+          "properties": {
+            "beacon": {
+              "type": "object",
+              "properties": {
+                "port": { "type": "integer" }
+              },
+              "required": ["port"]
+            },
+            "validator": {
+              "type": "object",
+              "properties": {
+                "port": { "type": "integer" },
+                "auth": {
+                  "type": "object",
+                  "properties": {
+                    "prysm": { "type": "string" },
+                    "lighthouse": { "type": "string" },
+                    "teku": { "type": "string" },
+                    "lodestar": { "type": "string" },
+                    "nimbus": { "type": "string" }
+                  },
+                  "required": [
+                    "prysm",
+                    "lighthouse",
+                    "teku",
+                    "lodestar",
+                    "nimbus"
+                  ]
+                }
+              },
+              "required": ["port", "auth"]
+            }
+          },
+          "required": ["beacon", "validator"]
+        },
+        "signer": {
+          "type": "object",
+          "properties": {
+            "web3signer": {
+              "type": "object",
+              "properties": {
+                "port": { "type": "integer" }
+              },
+              "required": ["port"]
+            },
+            "brain": {
+              "type": "object",
+              "properties": {
+                "port": { "type": "integer" }
+              },
+              "required": ["port"]
+            }
+          },
+          "required": ["web3signer", "brain"]
+        },
+        "mev-boost": {
+          "type": "object",
+          "properties": {
+            "mev-boost": {
+              "type": "object",
+              "properties": {
+                "port": { "type": "integer" }
+              },
+              "required": ["port"]
+            }
+          },
+          "required": ["mev-boost"]
+        }
+      },
+      "required": ["execution", "consensus", "signer", "mev-boost"]
+    },
+    "networks": {
+      "type": "object",
+      "properties": {
+        "mainnet": {
+          "type": "object",
+          "properties": {
+            "jwt": { "type": "string" },
+            "packages": {
+              "type": "object",
+              "properties": {
+                "execution": {
+                  "type": "array",
+                  "items": { "type": "string" }
+                },
+                "consensus": {
+                  "type": "array",
+                  "items": { "type": "string" }
+                },
+                "signer": {
+                  "type": "array",
+                  "items": { "type": "string" }
+                },
+                "mev-boost": {
+                  "type": "array",
+                  "items": { "type": "string" }
+                }
+              },
+              "required": ["execution", "consensus", "signer", "mev-boost"]
+            }
+          },
+          "required": ["jwt", "packages"]
+        },
+        "holesky": {
+          "type": "object",
+          "properties": {
+            "jwt": { "type": "string" },
+            "packages": {
+              "type": "object",
+              "properties": {
+                "execution": {
+                  "type": "array",
+                  "items": { "type": "string" }
+                },
+                "consensus": {
+                  "type": "array",
+                  "items": { "type": "string" }
+                },
+                "signer": {
+                  "type": "array",
+                  "items": { "type": "string" }
+                },
+                "mev-boost": {
+                  "type": "array",
+                  "items": { "type": "string" }
+                }
+              },
+              "required": ["execution", "consensus", "signer", "mev-boost"]
+            }
+          },
+          "required": ["jwt", "packages"]
+        },
+        "gnosis": {
+          "type": "object",
+          "properties": {
+            "jwt": { "type": "string" },
+            "packages": {
+              "type": "object",
+              "properties": {
+                "execution": {
+                  "type": "array",
+                  "items": { "type": "string" }
+                },
+                "consensus": {
+                  "type": "array",
+                  "items": { "type": "string" }
+                },
+                "signer": {
+                  "type": "array",
+                  "items": { "type": "string" }
+                },
+                "mev-boost": {
+                  "type": "array",
+                  "items": { "type": "string" }
+                }
+              },
+              "required": ["execution", "consensus", "signer", "mev-boost"]
+            }
+          },
+          "required": ["jwt", "packages"]
+        },
+        "lukso": {
+          "type": "object",
+          "properties": {
+            "jwt": { "type": "string" },
+            "packages": {
+              "type": "object",
+              "properties": {
+                "execution": {
+                  "type": "array",
+                  "items": { "type": "string" }
+                },
+                "consensus": {
+                  "type": "array",
+                  "items": { "type": "string" }
+                },
+                "signer": {
+                  "type": "array",
+                  "items": { "type": "string" }
+                },
+                "mev-boost": {
+                  "type": "array",
+                  "items": { "type": "string" }
+                }
+              },
+              "required": ["execution", "consensus", "signer", "mev-boost"]
+            }
+          },
+          "required": ["jwt", "packages"]
+        },
+        "sepolia": {
+          "type": "object",
+          "properties": {
+            "jwt": { "type": "string" },
+            "packages": {
+              "type": "object",
+              "properties": {
+                "execution": {
+                  "type": "array",
+                  "items": { "type": "string" }
+                },
+                "consensus": {
+                  "type": "array",
+                  "items": { "type": "string" }
+                },
+                "signer": {
+                  "type": "array",
+                  "items": { "type": "string" }
+                },
+                "mev-boost": {
+                  "type": "array",
+                  "items": { "type": "string" }
+                }
+              },
+              "required": ["execution", "consensus", "signer", "mev-boost"]
+            }
+          },
+          "required": ["jwt", "packages"]
+        }
+      },
+      "required": ["mainnet", "holesky", "gnosis", "lukso", "sepolia"]
+    }
+  },
+  "required": ["apis", "networks"]
+}