diff --git a/archive/build.gradle.kts b/archive/build.gradle.kts
index c050ae25..910f3102 100644
--- a/archive/build.gradle.kts
+++ b/archive/build.gradle.kts
@@ -32,6 +32,7 @@ dependencies {
     implementation(libs.flyway)
     implementation(libs.guava)
     implementation(libs.hikaricp)
+    implementation(libs.jackson.jsr310)
     implementation(libs.jdom)
     implementation(libs.jquery)
     implementation(libs.jsoup)
diff --git a/archive/src/main/kotlin/org/openrs2/archive/ArchiveModule.kt b/archive/src/main/kotlin/org/openrs2/archive/ArchiveModule.kt
index f4f3da96..37e1b2cf 100644
--- a/archive/src/main/kotlin/org/openrs2/archive/ArchiveModule.kt
+++ b/archive/src/main/kotlin/org/openrs2/archive/ArchiveModule.kt
@@ -1,5 +1,7 @@
 package org.openrs2.archive
 
+import com.fasterxml.jackson.databind.Module
+import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule
 import com.google.inject.AbstractModule
 import com.google.inject.Scopes
 import com.google.inject.multibindings.Multibinder
@@ -44,6 +46,9 @@ public object ArchiveModule : AbstractModule() {
         keyBinder.addBinding().to(PolarKeyDownloader::class.java)
         keyBinder.addBinding().to(RuneLiteKeyDownloader::class.java)
 
+        val moduleBinder = Multibinder.newSetBinder(binder(), Module::class.java)
+        moduleBinder.addBinding().to(JavaTimeModule::class.java)
+
         val nameBinder = Multibinder.newSetBinder(binder(), NameDownloader::class.java)
         nameBinder.addBinding().to(RuneStarNameDownloader::class.java)
     }
diff --git a/archive/src/main/kotlin/org/openrs2/archive/cache/CacheExporter.kt b/archive/src/main/kotlin/org/openrs2/archive/cache/CacheExporter.kt
index c19bdcff..a4f8d4d5 100644
--- a/archive/src/main/kotlin/org/openrs2/archive/cache/CacheExporter.kt
+++ b/archive/src/main/kotlin/org/openrs2/archive/cache/CacheExporter.kt
@@ -1,6 +1,8 @@
 package org.openrs2.archive.cache
 
+import com.fasterxml.jackson.annotation.JsonIgnore
 import com.fasterxml.jackson.annotation.JsonProperty
+import com.fasterxml.jackson.annotation.JsonUnwrapped
 import io.netty.buffer.ByteBufAllocator
 import io.netty.buffer.Unpooled
 import org.openrs2.buffer.use
@@ -35,21 +37,30 @@ public class CacheExporter @Inject constructor(
         val size: Long,
         val blocks: Long
     ) {
+        @JsonIgnore
         public val allIndexesValid: Boolean = indexes == validIndexes && indexes != 0L
+
+        @JsonIgnore
         public val validIndexesFraction: Double = if (indexes == 0L) {
             1.0
         } else {
             validIndexes.toDouble() / indexes
         }
 
+        @JsonIgnore
         public val allGroupsValid: Boolean = groups == validGroups
+
+        @JsonIgnore
         public val validGroupsFraction: Double = if (groups == 0L) {
             1.0
         } else {
             validGroups.toDouble() / groups
         }
 
+        @JsonIgnore
         public val allKeysValid: Boolean = keys == validKeys
+
+        @JsonIgnore
         public val validKeysFraction: Double = if (keys == 0L) {
             1.0
         } else {
@@ -103,7 +114,8 @@ public class CacheExporter @Inject constructor(
         val language: String,
         val builds: SortedSet<Build>,
         val timestamp: Instant?,
-        val names: SortedSet<String>,
+        val sources: SortedSet<String>,
+        @JsonUnwrapped
         val stats: Stats?
     )
 
@@ -181,7 +193,7 @@ public class CacheExporter @Inject constructor(
                         val language = rows.getString(4)
                         val builds = rows.getArray(5).array as Array<*>
                         val timestamp = rows.getTimestamp(6)?.toInstant()
-                        @Suppress("UNCHECKED_CAST") val names = rows.getArray(7).array as Array<String>
+                        @Suppress("UNCHECKED_CAST") val sources = rows.getArray(7).array as Array<String>
 
                         val validIndexes = rows.getLong(8)
                         val stats = if (!rows.wasNull()) {
@@ -204,7 +216,7 @@ public class CacheExporter @Inject constructor(
                             language,
                             builds.mapNotNull { o -> Build.fromPgObject(o as PGobject) }.toSortedSet(),
                             timestamp,
-                            names.toSortedSet(),
+                            sources.toSortedSet(),
                             stats
                         )
                     }
diff --git a/archive/src/main/kotlin/org/openrs2/archive/web/CachesController.kt b/archive/src/main/kotlin/org/openrs2/archive/web/CachesController.kt
index 329afd2f..fc647d9d 100644
--- a/archive/src/main/kotlin/org/openrs2/archive/web/CachesController.kt
+++ b/archive/src/main/kotlin/org/openrs2/archive/web/CachesController.kt
@@ -40,6 +40,11 @@ public class CachesController @Inject constructor(
         call.respond(ThymeleafContent("caches/index.html", mapOf("caches" to caches)))
     }
 
+    public suspend fun indexJson(call: ApplicationCall) {
+        val caches = exporter.list()
+        call.respond(caches)
+    }
+
     public suspend fun show(call: ApplicationCall) {
         val id = call.parameters["id"]?.toIntOrNull()
         if (id == null) {
diff --git a/archive/src/main/kotlin/org/openrs2/archive/web/WebServer.kt b/archive/src/main/kotlin/org/openrs2/archive/web/WebServer.kt
index 8c5665c1..37b5bbe3 100644
--- a/archive/src/main/kotlin/org/openrs2/archive/web/WebServer.kt
+++ b/archive/src/main/kotlin/org/openrs2/archive/web/WebServer.kt
@@ -55,6 +55,7 @@ public class WebServer @Inject constructor(
             routing {
                 get("/") { call.respond(ThymeleafContent("index.html", emptyMap())) }
                 get("/caches") { cachesController.index(call) }
+                get("/caches.json") { cachesController.indexJson(call) }
                 get("/caches/{id}") { cachesController.show(call) }
                 get("/caches/{id}.zip") {
                     val id = call.parameters["id"]
diff --git a/archive/src/main/resources/org/openrs2/archive/templates/caches/index.html b/archive/src/main/resources/org/openrs2/archive/templates/caches/index.html
index b983408f..fff9e75d 100644
--- a/archive/src/main/resources/org/openrs2/archive/templates/caches/index.html
+++ b/archive/src/main/resources/org/openrs2/archive/templates/caches/index.html
@@ -45,7 +45,7 @@
 								<br />
 								<span th:text="${#temporals.format(cache.timestamp, 'HH:mm:ss')}"></span>
 							</td>
-							<td th:text="${#strings.setJoin(cache.names, ', ')}"></td>
+							<td th:text="${#strings.setJoin(cache.sources, ', ')}"></td>
 							<td th:classappend="${cache.stats}? (${cache.stats.allIndexesValid}? 'table-success' : 'table-danger')"
 							    class="text-right">
 								<span
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index b34d00f3..1a4a8d05 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -33,6 +33,7 @@ h2 = { module = "com.h2database:h2", version = "2.0.206" }
 hikaricp = { module = "com.zaxxer:HikariCP", version = "5.0.0" }
 inlineLogger = { module = "com.michael-bull.kotlin-inline-logger:kotlin-inline-logger", version = "1.0.4" }
 jackson-databind = { module = "com.fasterxml.jackson.core:jackson-databind", version.ref = "jackson" }
+jackson-jsr310 = { module = "com.fasterxml.jackson.datatype:jackson-datatype-jsr310", version.ref = "jackson" }
 jackson-kotlin = { module = "com.fasterxml.jackson.module:jackson-module-kotlin", version.ref = "jackson" }
 jackson-yaml = { module = "com.fasterxml.jackson.dataformat:jackson-dataformat-yaml", version.ref = "jackson" }
 javaParser = { module = "com.github.javaparser:javaparser-symbol-solver-core", version = "3.23.1" }
diff --git a/json/src/main/kotlin/org/openrs2/json/ObjectMapperProvider.kt b/json/src/main/kotlin/org/openrs2/json/ObjectMapperProvider.kt
index f064286e..aacdb1d7 100644
--- a/json/src/main/kotlin/org/openrs2/json/ObjectMapperProvider.kt
+++ b/json/src/main/kotlin/org/openrs2/json/ObjectMapperProvider.kt
@@ -16,6 +16,7 @@ public class ObjectMapperProvider @Inject constructor(
             .registerKotlinModule()
             .registerModules(modules)
             .enable(SerializationFeature.INDENT_OUTPUT)
+            .disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS)
             .setDefaultPrettyPrinter(JsonPrettyPrinter())
             .setPropertyNamingStrategy(PropertyNamingStrategies.SNAKE_CASE)
     }
diff --git a/yaml/src/main/kotlin/org/openrs2/yaml/ObjectMapperProvider.kt b/yaml/src/main/kotlin/org/openrs2/yaml/ObjectMapperProvider.kt
index 038fc154..ef1edb46 100644
--- a/yaml/src/main/kotlin/org/openrs2/yaml/ObjectMapperProvider.kt
+++ b/yaml/src/main/kotlin/org/openrs2/yaml/ObjectMapperProvider.kt
@@ -3,6 +3,7 @@ package org.openrs2.yaml
 import com.fasterxml.jackson.databind.Module
 import com.fasterxml.jackson.databind.ObjectMapper
 import com.fasterxml.jackson.databind.PropertyNamingStrategies
+import com.fasterxml.jackson.databind.SerializationFeature
 import com.fasterxml.jackson.dataformat.yaml.YAMLFactory
 import com.fasterxml.jackson.module.kotlin.registerKotlinModule
 import javax.inject.Inject
@@ -15,6 +16,7 @@ public class ObjectMapperProvider @Inject constructor(
         return ObjectMapper(YAMLFactory())
             .registerKotlinModule()
             .registerModules(modules)
+            .disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS)
             .setPropertyNamingStrategy(PropertyNamingStrategies.SNAKE_CASE)
     }
 }