diff --git a/types/p2p.yaml b/types/p2p.yaml
index 62fe0e50..9ad13f78 100644
--- a/types/p2p.yaml
+++ b/types/p2p.yaml
@@ -57,6 +57,33 @@ Peer:
       $ref: "./p2p.yaml#/PeerConnectionState"
     direction:
       $ref: "./p2p.yaml#/PeerConnectionDirection"
+    agent_version:
+      type: string
+      description: |
+        The peer's libp2p agent version string (from the libp2p identify
+        protocol). OPTIONAL; clients MAY omit if not yet observed.
+      example: "Lighthouse/v8.1.3-66919c2/aarch64-linux"
+    score:
+      type: number
+      format: double
+      description: |
+        Client-native peer score. OPTIONAL. 
+        This number is not consistent between clients,
+        but can be compared to other peers on the same client.
+      example: -17.4828
+    disconnect_reason:
+      description: |
+        Reason the client last disconnected from this peer. OPTIONAL.
+        This field MUST only be set if the connection status is disconnected or disconnecting.
+      $ref: "./p2p.yaml#/PeerDisconnectReason"
+    downscore_reasons:
+      type: array
+      description: |
+        Reasons that the client has been down scored in their current session. OPTIONAL.
+        SHOULD be a distinct set of downscare reasons.
+      items:
+        $ref: "./p2p.yaml#/PeerScoreReason"
+      example: ["rpc_bad_blocks_by_range", "rpc_rate_limited"]
 
 PeerConnectionState:
   type: string
@@ -80,3 +107,43 @@ Multiaddr:
   type: string
   description: "[Read more](https://docs.libp2p.io/reference/glossary/#multiaddr)"
   example: "/ip4/7.7.7.7/tcp/4242/p2p/QmYyQSo1c1Ym7orWxLYvCrM2EmxFTANf8wXmmE7DWjhx5N"
+
+PeerScoreReason:
+  type: string
+  description: |
+    Limited set of peer downscore reasons that may be returned.
+    Implementations populating `Peer.downscore_reasons` MUST
+    emit values from this list. Consumers SHOULD tolerate unknown
+    values for forward compatibility.
+  example:
+    - rpc_invalid_request
+    - rpc_invalid_response
+    - rpc_rate_limited
+    - rpc_timeout
+    - rpc_io_error
+    - rpc_bad_blocks_by_range
+    - rpc_bad_blocks_by_root
+    - gossip_invalid_block
+    - gossip_invalid_attestation
+    - gossip_invalid_blob_sidecar
+    - gossip_invalid_data_column_sidecar
+    - sync_bad_batch
+    - status_unviable_fork
+    - behaviour_penalty
+    - unknown
+
+PeerDisconnectReason:
+  type: string
+  description: |
+    Implementations populating `Peer.disconnect_reason` MUST emit
+    values from this list. Consumers SHOULD tolerate unknown values for
+    forward compatibility.
+  example:
+    - bad_score
+    - irrelevant_network
+    - unviable_fork
+    - too_many_peers
+    - rate_limited
+    - io_error
+    - client_shutdown
+    - unknown