diff --git a/docs/instrumentation-list.yaml b/docs/instrumentation-list.yaml
index 5d389140daf9..7147128d29f8 100644
--- a/docs/instrumentation-list.yaml
+++ b/docs/instrumentation-list.yaml
@@ -3760,6 +3760,93 @@ libraries:
           type: STRING
         - name: rpc.system
           type: STRING
+  helidon:
+  - name: helidon-4.3
+    description: This instrumentation enables HTTP server spans and HTTP server metrics
+      for the Helidon HTTP server.
+    semantic_conventions:
+    - HTTP_SERVER_SPANS
+    - HTTP_SERVER_METRICS
+    library_link: https://helidon.io/
+    features:
+    - HTTP_ROUTE
+    source_path: instrumentation/helidon-4.3
+    minimum_java_version: 21
+    scope:
+      name: io.opentelemetry.helidon-4.3
+    target_versions:
+      javaagent:
+      - io.helidon.webserver:helidon-webserver:[4.3.0,)
+      library:
+      - io.helidon.webserver:helidon-webserver:4.3.0
+    configurations:
+    - name: otel.instrumentation.http.known-methods
+      description: |
+        Configures the instrumentation to recognize an alternative set of HTTP request methods. All other methods will be treated as `_OTHER`.
+      type: list
+      default: CONNECT,DELETE,GET,HEAD,OPTIONS,PATCH,POST,PUT,TRACE
+    - name: otel.instrumentation.http.server.capture-request-headers
+      description: List of HTTP request headers to capture in HTTP server telemetry.
+      type: list
+      default: ''
+    - name: otel.instrumentation.http.server.capture-response-headers
+      description: List of HTTP response headers to capture in HTTP server telemetry.
+      type: list
+      default: ''
+    - name: otel.instrumentation.http.server.emit-experimental-telemetry
+      description: |
+        Enable the capture of experimental HTTP server telemetry. Adds the `http.request.body.size` and `http.response.body.size` attributes to spans, and records `http.server.request.size` and `http.server.response.size` metrics.
+      type: boolean
+      default: false
+    telemetry:
+    - when: default
+      metrics:
+      - name: http.server.request.duration
+        description: Duration of HTTP server requests.
+        type: HISTOGRAM
+        unit: s
+        attributes:
+        - name: http.request.method
+          type: STRING
+        - name: http.response.status_code
+          type: LONG
+        - name: http.route
+          type: STRING
+        - name: network.protocol.version
+          type: STRING
+        - name: url.scheme
+          type: STRING
+      spans:
+      - span_kind: SERVER
+        attributes:
+        - name: client.address
+          type: STRING
+        - name: error.type
+          type: STRING
+        - name: http.request.method
+          type: STRING
+        - name: http.response.status_code
+          type: LONG
+        - name: http.route
+          type: STRING
+        - name: network.peer.address
+          type: STRING
+        - name: network.peer.port
+          type: LONG
+        - name: network.protocol.version
+          type: STRING
+        - name: server.address
+          type: STRING
+        - name: server.port
+          type: LONG
+        - name: url.path
+          type: STRING
+        - name: url.query
+          type: STRING
+        - name: url.scheme
+          type: STRING
+        - name: user_agent.original
+          type: STRING
   hibernate:
   - name: hibernate-3.3
     description: |
diff --git a/instrumentation-docs/instrumentations.sh b/instrumentation-docs/instrumentations.sh
index 5345d4164e00..bf3fedc6a3e1 100755
--- a/instrumentation-docs/instrumentations.sh
+++ b/instrumentation-docs/instrumentations.sh
@@ -86,6 +86,7 @@ readonly INSTRUMENTATIONS=(
   "grpc-1.6:javaagent:test"
   "grpc-1.6:javaagent:testExperimental"
   "gwt-2.0:javaagent:test"
+  "helidon-4.3:javaagent:test"
   "hibernate:hibernate-3.3:javaagent:test"
   "hibernate:hibernate-3.3:javaagent:testExperimental"
   "hibernate:hibernate-4.0:javaagent:test"
diff --git a/instrumentation/helidon-4.3/javaagent/build.gradle.kts b/instrumentation/helidon-4.3/javaagent/build.gradle.kts
index 6ffe73c6c849..fc14f8b188c9 100644
--- a/instrumentation/helidon-4.3/javaagent/build.gradle.kts
+++ b/instrumentation/helidon-4.3/javaagent/build.gradle.kts
@@ -20,3 +20,7 @@ dependencies {
   implementation(project(":instrumentation:helidon-4.3:library"))
   testImplementation(project(":instrumentation:helidon-4.3:testing"))
 }
+
+tasks.test {
+  systemProperty("collectMetadata", findProperty("collectMetadata")?.toString() ?: "false")
+}
diff --git a/instrumentation/helidon-4.3/metadata.yaml b/instrumentation/helidon-4.3/metadata.yaml
index 5e8ff68ef74a..2176c83b2366 100644
--- a/instrumentation/helidon-4.3/metadata.yaml
+++ b/instrumentation/helidon-4.3/metadata.yaml
@@ -1,5 +1,10 @@
 description: This instrumentation enables HTTP server spans and HTTP server metrics for the Helidon HTTP server.
 library_link: https://helidon.io/
+semantic_conventions:
+  - HTTP_SERVER_SPANS
+  - HTTP_SERVER_METRICS
+features:
+  - HTTP_ROUTE
 configurations:
   - name: otel.instrumentation.http.known-methods
     description: >
@@ -15,14 +20,10 @@ configurations:
     description: List of HTTP response headers to capture in HTTP server telemetry.
     type: list
     default: ""
-  - name: otel.instrumentation.common.peer-service-mapping
-    description: Used to specify a mapping from host names or IP addresses to peer services.
-    type: map
-    default: ""
   - name: otel.instrumentation.http.server.emit-experimental-telemetry
     description: >
-      Enable the capture of experimental HTTP server telemetry. Adds the `http.request.body.size` and
-      `http.response.body.size` attributes to spans, and records `http.server.request.body.size`
-      and `http.server.response.body.size` metrics.
+      Enable the capture of experimental HTTP server telemetry. Adds the `http.request.body.size`
+      and `http.response.body.size` attributes to spans, and records `http.server.request.size` and
+      `http.server.response.size` metrics.
     type: boolean
-    default: false
+    default: false
\ No newline at end of file