diff --git a/rate-providers/MainStreetYieldRateProviderReview4f11.md b/rate-providers/MainStreetYieldRateProviderReview4f11.md
new file mode 100644
index 0000000..ef39874
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+++ b/rate-providers/MainStreetYieldRateProviderReview4f11.md
@@ -0,0 +1,31 @@
+
+# Rate Provider: MainStreet Yield rate provider
+
+## Details
+This report was autogenerated on 17/11/2025.
+
+- Deployed at:
+    - [Sonic:0xa1f465d848df55571b62c06de57b9642eae42485](https://sonicscan.org/address/0xa1f465d848df55571b62c06de57b9642eae42485)
+- Audit report(s):
+    - [Audits]()
+
+## Context
+
+
+## Review Checklist: Bare Minimum Compatibility
+Each of the items below represents an absolute requirement for the Rate Provider. If any of these is unchecked, the Rate Provider is unfit to use.
+
+- [x] Implements the [`IRateProvider`](https://github.com/balancer/balancer-v2-monorepo/blob/bc3b3fee6e13e01d2efe610ed8118fdb74dfc1f2/pkg/interfaces/contracts/pool-utils/IRateProvider.sol) interface.
+- [x] `getRate` returns an 18-decimal fixed point number (i.e., 1 == 1e18) regardless of underlying token decimals.
+
+### Administrative Privileges
+- [ ] The Rate Provider is upgradeable** (e.g., via a proxy architecture).
+- [x] Other contracts which are part of the `getRate` callchain are upgradeable**. You can find more information
+   about the involved contracts in this [tenderly simulation](https://www.tdly.co/shared/simulation/bb7d7a7e-7357-41ff-84d8-5c107a376b4c)
+
+## Conclusion
+**Summary judgment: USABLE**
+
+** upgradeable in this context means that:
+- The contract is a proxy contract with an implementation sourced from Etherscan and the proxy emitted an "Upgraded" event.
+    
diff --git a/rate-providers/registry.json b/rate-providers/registry.json
index ba51dee..ade87f1 100644
--- a/rate-providers/registry.json
+++ b/rate-providers/registry.json
@@ -6006,6 +6006,24 @@
           "implementationReviewed": "0x03978bb90165b8f32de90e6435b32331537ae946"
         }
       ]
+    },
+    "0xa1f465d848df55571b62c06de57b9642eae42485": {
+      "asset": "0x618383942cabb00aa3a13101b825a703dc082752",
+      "name": "MainStreetYieldRateProvider.md",
+      "summary": "safe",
+      "review": "./MainStreetYieldRateProviderReview4f11.md",
+      "warnings": [],
+      "factory": "",
+      "upgradeableComponents": [
+        {
+          "entrypoint": "0xe5fb2ed6832def99dde57c0b9d9a56537c89121d",
+          "implementationReviewed": "0x9916673dcdcfedf7206583a83d5a2b4388b2b355"
+        },
+        {
+          "entrypoint": "0x618383942cabb00aa3a13101b825a703dc082752",
+          "implementationReviewed": "0x1810978867bcda2dc3619ec91b62f74456ae9d31"
+        }
+      ]
     }
   },
   "hyperevm": {