diff --git a/packages/mcp-core/src/skillDefinitions.json b/packages/mcp-core/src/skillDefinitions.json
index bf5f5e664..9b7a4a2fa 100644
--- a/packages/mcp-core/src/skillDefinitions.json
+++ b/packages/mcp-core/src/skillDefinitions.json
@@ -605,7 +605,7 @@
       },
       {
         "name": "find_dsns",
-        "description": "List the DSNs (client keys) for a Sentry project: the SENTRY_DSN an SDK uses to send events.\n\nUse this tool when you need to:\n- Retrieve a SENTRY_DSN for a specific project\n- Configure a Sentry SDK for an existing project\n\n<hints>\n- If the user passes a parameter in the form of name/otherName, its likely in the format of <organizationSlug>/<projectSlug>.\n- If only one parameter is provided, and it could be either `organizationSlug` or `projectSlug`, its probably `organizationSlug`, but if you're really uncertain you might want to call `find_organizations()` first.\n</hints>",
+        "description": "List the DSNs (client keys) for a Sentry project: the SENTRY_DSN an SDK uses to send events. Each DSN includes its status and rate limit.\n\nUse this tool when you need to:\n- Retrieve a SENTRY_DSN for a specific project\n- Configure a Sentry SDK for an existing project\n- Check whether a DSN is active or what rate limit it has\n\n<hints>\n- If the user passes a parameter in the form of name/otherName, its likely in the format of <organizationSlug>/<projectSlug>.\n- If only one parameter is provided, and it could be either `organizationSlug` or `projectSlug`, its probably `organizationSlug`, but if you're really uncertain you might want to call `find_organizations()` first.\n</hints>",
         "requiredScopes": ["project:read"]
       },
       {
diff --git a/packages/mcp-core/src/toolDefinitions.json b/packages/mcp-core/src/toolDefinitions.json
index 8876e1d16..aa0474092 100644
--- a/packages/mcp-core/src/toolDefinitions.json
+++ b/packages/mcp-core/src/toolDefinitions.json
@@ -2462,7 +2462,7 @@
   {
     "name": "find_dsns",
     "title": "Find DSNs",
-    "description": "List the DSNs (client keys) for a Sentry project: the SENTRY_DSN an SDK uses to send events.\n\nUse this tool when you need to:\n- Retrieve a SENTRY_DSN for a specific project\n- Configure a Sentry SDK for an existing project\n\n<hints>\n- If the user passes a parameter in the form of name/otherName, its likely in the format of <organizationSlug>/<projectSlug>.\n- If only one parameter is provided, and it could be either `organizationSlug` or `projectSlug`, its probably `organizationSlug`, but if you're really uncertain you might want to call `find_organizations()` first.\n</hints>",
+    "description": "List the DSNs (client keys) for a Sentry project: the SENTRY_DSN an SDK uses to send events. Each DSN includes its status and rate limit.\n\nUse this tool when you need to:\n- Retrieve a SENTRY_DSN for a specific project\n- Configure a Sentry SDK for an existing project\n- Check whether a DSN is active or what rate limit it has\n\n<hints>\n- If the user passes a parameter in the form of name/otherName, its likely in the format of <organizationSlug>/<projectSlug>.\n- If only one parameter is provided, and it could be either `organizationSlug` or `projectSlug`, its probably `organizationSlug`, but if you're really uncertain you might want to call `find_organizations()` first.\n</hints>",
     "inputSchema": {
       "type": "object",
       "properties": {
@@ -2509,9 +2509,33 @@
               },
               "dsn": {
                 "type": "string"
+              },
+              "isActive": {
+                "type": "boolean"
+              },
+              "rateLimit": {
+                "anyOf": [
+                  {
+                    "type": "object",
+                    "properties": {
+                      "count": {
+                        "type": "number"
+                      },
+                      "windowSeconds": {
+                        "type": "number"
+                      }
+                    },
+                    "required": ["count", "windowSeconds"],
+                    "additionalProperties": false
+                  },
+                  {
+                    "type": "null"
+                  }
+                ],
+                "description": "Null when rate limiting is disabled."
               }
             },
-            "required": ["id", "name", "dsn"],
+            "required": ["id", "name", "dsn", "isActive", "rateLimit"],
             "additionalProperties": false
           }
         }
diff --git a/packages/mcp-core/src/tools/catalog/find-dsns.test.ts b/packages/mcp-core/src/tools/catalog/find-dsns.test.ts
index 6f914e3c0..608d84366 100644
--- a/packages/mcp-core/src/tools/catalog/find-dsns.test.ts
+++ b/packages/mcp-core/src/tools/catalog/find-dsns.test.ts
@@ -9,7 +9,7 @@ import {
 import findDsns from "./find-dsns.js";
 
 describe("find_dsns", () => {
-  it("returns all project DSNs as structured content", async () => {
+  it("returns all project DSNs with status and rate limit as structured content", async () => {
     mswServer.use(
       http.get(
         "https://sentry.io/api/0/projects/test-org/test-project/keys/",
@@ -24,6 +24,7 @@ describe("find_dsns", () => {
               },
               isActive: true,
               dateCreated: "2026-07-28T12:00:00.000Z",
+              rateLimit: { window: 3600, count: 1000 },
               secretKey: "do-not-leak",
               backendOnlyField: "do-not-leak",
             },
@@ -35,6 +36,7 @@ describe("find_dsns", () => {
               },
               isActive: false,
               dateCreated: "2026-07-28T12:00:00.000Z",
+              rateLimit: null,
             },
           ]),
       ),
@@ -56,12 +58,19 @@ describe("find_dsns", () => {
           {
             "dsn": "https://public@example.ingest.sentry.io/1",
             "id": "123",
+            "isActive": true,
             "name": "Production",
+            "rateLimit": {
+              "count": 1000,
+              "windowSeconds": 3600,
+            },
           },
           {
             "dsn": "https://development@example.ingest.sentry.io/2",
             "id": "456",
+            "isActive": false,
             "name": "Development",
+            "rateLimit": null,
           },
         ],
       }
diff --git a/packages/mcp-core/src/tools/catalog/find-dsns.ts b/packages/mcp-core/src/tools/catalog/find-dsns.ts
index f7ae0932e..b6425182b 100644
--- a/packages/mcp-core/src/tools/catalog/find-dsns.ts
+++ b/packages/mcp-core/src/tools/catalog/find-dsns.ts
@@ -16,6 +16,14 @@ export const findDsnsOutputSchema = z.object({
       id: z.string(),
       name: z.string(),
       dsn: z.string(),
+      isActive: z.boolean(),
+      rateLimit: z
+        .object({
+          count: z.number(),
+          windowSeconds: z.number(),
+        })
+        .nullable()
+        .describe("Null when rate limiting is disabled."),
     }),
   ),
 });
@@ -26,11 +34,12 @@ export default defineTool({
   skills: ["project-management"], // DSN management is part of project setup
   requiredScopes: ["project:read"],
   description: [
-    "List the DSNs (client keys) for a Sentry project: the SENTRY_DSN an SDK uses to send events.",
+    "List the DSNs (client keys) for a Sentry project: the SENTRY_DSN an SDK uses to send events. Each DSN includes its status and rate limit.",
     "",
     "Use this tool when you need to:",
     "- Retrieve a SENTRY_DSN for a specific project",
     "- Configure a Sentry SDK for an existing project",
+    "- Check whether a DSN is active or what rate limit it has",
     "",
     "<hints>",
     "- If the user passes a parameter in the form of name/otherName, its likely in the format of <organizationSlug>/<projectSlug>.",
@@ -66,6 +75,13 @@ export default defineTool({
         id: String(clientKey.id),
         name: clientKey.name,
         dsn: clientKey.dsn.public,
+        isActive: clientKey.isActive,
+        rateLimit: clientKey.rateLimit
+          ? {
+              count: clientKey.rateLimit.count,
+              windowSeconds: clientKey.rateLimit.window,
+            }
+          : null,
       })),
     });
   },