diff --git a/src/pages/rules/EditRuleBook.vue b/src/pages/rules/EditRuleBook.vue
index bd5eb06..b685c64 100644
--- a/src/pages/rules/EditRuleBook.vue
+++ b/src/pages/rules/EditRuleBook.vue
@@ -1,49 +1,111 @@
 <script setup lang="ts">
 import {computed, ref, watchEffect} from "vue";
-import {useEventListener} from "@vueuse/core";
+import {computedAsync, useEventListener} from "@vueuse/core";
 import log from "loglevel";
 import {ScriptEditor, useRuleBookStore} from "@/rules";
 import {PlusIcon, TrashIcon} from "@heroicons/vue/24/outline";
 import {isMain, Ledger, LedgerSelect, systemLedger, useLedgersStore} from "@/ledger";
+import {useCharactersStore} from "@/characters";
+import {CorporationLabel, useCorporationsStore} from "@/corporations";
+import {RuleScriptRequest} from "@/generated/mammon";
 import {toast} from "@/toast";
 
-type Binding = { ref: string; ledger: Ledger };
+type LedgerScopeEntry = { ref: string; ledger: Ledger };
+type CharacterScopeEntry = { ref: string; characterId: number };
+type CorporationScopeEntry = { ref: string; corporationId: number };
+type WalletDivisionScopeEntry = { ref: string; corporationId: number; division: number };
+
+interface ScriptDraft {
+  name: string;
+  script: string;
+  ledgers: LedgerScopeEntry[];
+  characters: CharacterScopeEntry[];
+  corporations: CorporationScopeEntry[];
+  walletDivisions: WalletDivisionScopeEntry[];
+}
 
 const ruleBookStore = useRuleBookStore();
 const ledgersStore = useLedgersStore();
+const charactersStore = useCharactersStore();
+const corporationsStore = useCorporationsStore();
 
 const ledgersToUse = computed(() => [systemLedger, ...ledgersStore.ledgers.filter(isMain)]);
 
-const bindings = ref<Binding[]>([]);
-const script = ref<string>('');
-
-const ledgerRefs = computed<string[]>(() => bindings.value.map(b => b.ref));
+const scripts = ref<ScriptDraft[]>([]);
+const selectedIndex = ref(0);
+const selected = computed<ScriptDraft | undefined>(() => scripts.value[selectedIndex.value]);
 
 watchEffect(() => {
   const ruleBook = ruleBookStore.ruleBook;
 
-  script.value = ruleBook?.script ?? '';
-  bindings.value = Object.entries(ruleBook?.bindings ?? {})
-      .map(([ref, id]) => ({ref, ledger: ledgersToUse.value.find(l => l.ledgerId === id) ?? systemLedger}));
+  scripts.value = (ruleBook?.scripts ?? []).map(script => ({
+    name: script.name,
+    script: script.script,
+    ledgers: Object.entries(script.scope.ledgers).map(([ref, id]) => ({ref, ledger: ledgersToUse.value.find(l => l.ledgerId === id) ?? systemLedger})),
+    characters: Object.entries(script.scope.characters).map(([ref, characterId]) => ({ref, characterId})),
+    corporations: Object.entries(script.scope.corporations).map(([ref, corporationId]) => ({ref, corporationId})),
+    walletDivisions: Object.entries(script.scope.walletDivisions).map(([ref, target]) => ({ref, corporationId: target.corporationId, division: target.division})),
+  }));
+  selectedIndex.value = 0;
   log.info('Loaded rule book:', ruleBook);
 });
 
-const addBinding = () => {
-  bindings.value = [...bindings.value, {ref: '', ledger: systemLedger}];
+const editorScope = computed(() => selected.value ? {
+  ledgers: selected.value.ledgers.map(entry => entry.ref),
+  characters: selected.value.characters.map(entry => entry.ref),
+  corporations: selected.value.corporations.map(entry => entry.ref),
+  walletDivisions: selected.value.walletDivisions.map(entry => entry.ref),
+} : undefined);
+
+const scriptText = computed<string>({
+  get: () => selected.value?.script ?? '',
+  set: value => {
+    if (selected.value) {
+      selected.value.script = value;
+    }
+  },
+});
+
+const addScript = () => {
+  scripts.value = [...scripts.value, {name: '', script: '', ledgers: [], characters: [], corporations: [], walletDivisions: []}];
+  selectedIndex.value = scripts.value.length - 1;
 };
 
-const removeBinding = (index: number) => {
-  bindings.value = bindings.value.toSpliced(index, 1);
+const removeScript = (index: number) => {
+  scripts.value = scripts.value.toSpliced(index, 1);
+  if (selectedIndex.value >= scripts.value.length) {
+    selectedIndex.value = Math.max(0, scripts.value.length - 1);
+  }
 };
 
-const save = () => ruleBookStore.update({
-  bindings: Object.fromEntries(
-      bindings.value
-          .filter(b => b.ref)
-          .map(b => [b.ref, b.ledger.ledgerId])
-  ),
-  script: script.value
-})
+const addLedgerScope = () => selected.value?.ledgers.push({ref: '', ledger: systemLedger});
+const removeLedgerScope = (index: number) => { if (selected.value) selected.value.ledgers = selected.value.ledgers.toSpliced(index, 1); };
+
+const addCharacterScope = () => selected.value?.characters.push({ref: '', characterId: charactersStore.characters[0]?.characterId ?? 0});
+const removeCharacterScope = (index: number) => { if (selected.value) selected.value.characters = selected.value.characters.toSpliced(index, 1); };
+
+const addCorporationScope = () => selected.value?.corporations.push({ref: '', corporationId: 0});
+const removeCorporationScope = (index: number) => { if (selected.value) selected.value.corporations = selected.value.corporations.toSpliced(index, 1); };
+
+const addWalletDivisionScope = () => selected.value?.walletDivisions.push({ref: '', corporationId: 0, division: 1});
+const removeWalletDivisionScope = (index: number) => { if (selected.value) selected.value.walletDivisions = selected.value.walletDivisions.toSpliced(index, 1); };
+
+const resolvedCorporation = (corporationId: number) => computedAsync(async () => corporationId ? await corporationsStore.findById(corporationId) : undefined, undefined);
+
+const save = () => ruleBookStore.update(
+    scripts.value
+        .filter(s => s.name)
+        .map((s): RuleScriptRequest => ({
+          name: s.name,
+          script: s.script,
+          scope: {
+            ledgers: Object.fromEntries(s.ledgers.filter(entry => entry.ref).map(entry => [entry.ref, entry.ledger.ledgerId])),
+            characters: Object.fromEntries(s.characters.filter(entry => entry.ref).map(entry => [entry.ref, entry.characterId])),
+            corporations: Object.fromEntries(s.corporations.filter(entry => entry.ref).map(entry => [entry.ref, entry.corporationId])),
+            walletDivisions: Object.fromEntries(s.walletDivisions.filter(entry => entry.ref).map(entry => [entry.ref, {corporationId: entry.corporationId, division: entry.division}])),
+          },
+        }))
+)
     .then(() => toast.success('Rule book saved'));
 
 useEventListener(window, 'keydown', (event: KeyboardEvent) => {
@@ -55,28 +117,103 @@ useEventListener(window, 'keydown', (event: KeyboardEvent) => {
 </script>
 
 <template>
-  <div class="flex flex-col mb-2 mt-4 h-[calc(100vh-4.5rem)]">
-    <div class="flex flex-col grow min-h-0">
+  <div class="flex mb-2 mt-4 h-[calc(100vh-4.5rem)]">
+    <div class="flex flex-col me-4 w-48 shrink-0">
+      <div class="grow overflow-y-auto">
+        <div v-for="(script, index) in scripts" :key="index"
+             class="flex items-center mb-1 px-1 py-0.5 cursor-pointer"
+             :class="{'bg-neutral-700': index === selectedIndex}"
+             @click="selectedIndex = index">
+          <span class="grow truncate">{{ script.name || '(unnamed)' }}</span>
+          <button class="btn-icon text-amber-700 hover:text-amber-600" @click.stop="removeScript(index)"><TrashIcon /></button>
+        </div>
+      </div>
+      <button class="btn-icon mt-2" @click="addScript"><PlusIcon /> Add script</button>
+    </div>
+
+    <div v-if="selected" class="flex flex-col grow min-h-0">
+      <div class="border-b-1 mb-2">
+        Name: <input class="me-1" type="text" v-model="selected.name" />
+      </div>
+
       <div class="border-b-1">
-        Ledger Bindings:
-        <div class="flex flex-wrap items-center mt-2">
-          <div class="flex items-center mb-2 me-2" v-for="(binding, index) in bindings" :key="index">
-            <input class="me-1" type="text" v-model="binding.ref" />
-            <span class="me-1">:</span>
-            <LedgerSelect class="me-1" :ledgers="ledgersToUse" v-model="binding.ledger" />
-            <button class="btn-icon text-amber-700 hover:text-amber-600" @click="removeBinding(index)"><TrashIcon /></button>
+        Scopes:
+        <div class="ms-4 mt-2">
+          Ledgers:
+          <div class="flex flex-wrap items-center mt-2">
+            <div class="flex items-center mb-2 me-2" v-for="(entry, index) in selected.ledgers" :key="index">
+              <input class="me-1" type="text" v-model="entry.ref" />
+              <span class="me-1">:</span>
+              <LedgerSelect class="me-1" :ledgers="ledgersToUse" v-model="entry.ledger" />
+              <button class="btn-icon text-amber-700 hover:text-amber-600" @click="removeLedgerScope(index)"><TrashIcon /></button>
+            </div>
+            <div class="flex items-center mb-2">
+              <button class="btn-icon" @click="addLedgerScope"><PlusIcon /></button>
+            </div>
           </div>
-          <div class="flex items-center mb-2">
-            <button class="btn-icon" @click="addBinding"><PlusIcon /></button>
+        </div>
+
+        <div class="ms-4 mt-2">
+          Characters:
+          <div class="flex flex-wrap items-center mt-2">
+            <div class="flex items-center mb-2 me-2" v-for="(entry, index) in selected.characters" :key="index">
+              <input class="me-1" type="text" v-model="entry.ref" />
+              <span class="me-1">:</span>
+              <select class="me-1" v-model="entry.characterId">
+                <option v-for="character in charactersStore.characters" :key="character.characterId" :value="character.characterId">{{ character.name }}</option>
+              </select>
+              <button class="btn-icon text-amber-700 hover:text-amber-600" @click="removeCharacterScope(index)"><TrashIcon /></button>
+            </div>
+            <div class="flex items-center mb-2">
+              <button class="btn-icon" @click="addCharacterScope"><PlusIcon /></button>
+            </div>
+          </div>
+        </div>
+
+        <div class="ms-4 mt-2">
+          Corporations:
+          <div class="flex flex-wrap items-center mt-2">
+            <div class="flex items-center mb-2 me-2" v-for="(entry, index) in selected.corporations" :key="index">
+              <input class="me-1" type="text" v-model="entry.ref" />
+              <span class="me-1">:</span>
+              <input class="me-1 w-32" type="number" v-model.number="entry.corporationId" placeholder="Corporation ID" />
+              <CorporationLabel class="me-1" :corporation-id="entry.corporationId" :corporation="resolvedCorporation(entry.corporationId).value" :size="16" v-if="entry.corporationId" />
+              <button class="btn-icon text-amber-700 hover:text-amber-600" @click="removeCorporationScope(index)"><TrashIcon /></button>
+            </div>
+            <div class="flex items-center mb-2">
+              <button class="btn-icon" @click="addCorporationScope"><PlusIcon /></button>
+            </div>
+          </div>
+        </div>
+
+        <div class="ms-4 mt-2 mb-2">
+          Wallet Divisions:
+          <div class="flex flex-wrap items-center mt-2">
+            <div class="flex items-center mb-2 me-2" v-for="(entry, index) in selected.walletDivisions" :key="index">
+              <input class="me-1" type="text" v-model="entry.ref" />
+              <span class="me-1">:</span>
+              <input class="me-1 w-32" type="number" v-model.number="entry.corporationId" placeholder="Corporation ID" />
+              <input class="me-1 w-16" type="number" min="1" max="7" v-model.number="entry.division" placeholder="Division" />
+              <CorporationLabel class="me-1" :corporation-id="entry.corporationId" :corporation="resolvedCorporation(entry.corporationId).value" :division="entry.division" :size="16" v-if="entry.corporationId" />
+              <button class="btn-icon text-amber-700 hover:text-amber-600" @click="removeWalletDivisionScope(index)"><TrashIcon /></button>
+            </div>
+            <div class="flex items-center mb-2">
+              <button class="btn-icon" @click="addWalletDivisionScope"><PlusIcon /></button>
+            </div>
           </div>
         </div>
       </div>
+
       <div class="flex flex-col grow min-h-0 border-b-1">
         Script:
-        <ScriptEditor class="mt-2 mb-2" v-model="script" :ledgerRefs="ledgerRefs" />
+        <ScriptEditor class="mt-2 mb-2" v-model="scriptText" :scope="editorScope" />
       </div>
     </div>
-    <div class="mt-2 justify-end flex">
+    <div v-else class="flex grow items-center justify-center text-neutral-500">
+      No scripts yet
+    </div>
+
+    <div class="mt-2 justify-end flex" v-if="selected">
       <div>
         <button @click="save">Save</button>
       </div>
diff --git a/src/rules/ScriptEditor.vue b/src/rules/ScriptEditor.vue
index bc9dc34..811dbda 100644
--- a/src/rules/ScriptEditor.vue
+++ b/src/rules/ScriptEditor.vue
@@ -22,27 +22,41 @@ const loadScriptDefinitions = async () => {
   }
   try {
     const definitions = await fetchScriptDefinitions();
-    monaco.typescript.javascriptDefaults.addExtraLib(definitions, 'ts:rule-runner.d.ts');
+    monaco.typescript.javascriptDefaults.addExtraLib(definitions, 'file:///node_modules/@eveal/runtime/index.d.ts');
     extraLibLoaded = true;
   } catch {
     // type definitions are optional — the editor still works without autocomplete
   }
 };
 
-const props = defineProps<{ ledgerRefs?: string[] }>();
+export interface ScriptEditorScope {
+  ledgers?: string[];
+  characters?: string[];
+  corporations?: string[];
+  walletDivisions?: string[];
+}
 
-let ledgersLib: monaco.IDisposable | undefined;
+const props = defineProps<{ scope?: ScriptEditorScope }>();
 
-const updateLedgerRefs = (refs: readonly string[]) => {
-  ledgersLib?.dispose();
+let scopeLib: monaco.IDisposable | undefined;
+
+const declareInterface = (name: string, type: string, refs: readonly string[]) => {
   const members = refs
       .filter(ref => ref && ref !== 'system')
-      .map(ref => `    readonly ${JSON.stringify(ref)}: Ledger;`)
+      .map(ref => `        readonly ${JSON.stringify(ref)}: ${type};`)
       .join('\n');
-  ledgersLib = monaco.typescript.javascriptDefaults.addExtraLib(
-      `declare interface Ledgers {\n${members}\n}\n`,
-      'ts:rule-runner.ledgers.d.ts'
-  );
+  return `    interface ${name} {\n${members}\n    }\n`;
+};
+
+const updateScope = (scope: ScriptEditorScope) => {
+  scopeLib?.dispose();
+  const source = `declare module '@eveal/runtime' {\n${[
+    declareInterface('Ledgers', 'Ledger', scope.ledgers ?? []),
+    declareInterface('Characters', 'Character', scope.characters ?? []),
+    declareInterface('Corporations', 'Corporation', scope.corporations ?? []),
+    declareInterface('WalletDivisions', 'WalletDivision', scope.walletDivisions ?? []),
+  ].join('\n')}}\n`;
+  scopeLib = monaco.typescript.javascriptDefaults.addExtraLib(source, 'ts:rule-runner.scope.d.ts');
 };
 
 const model = defineModel<string>({default: ''});
@@ -51,7 +65,7 @@ let editor: monaco.editor.IStandaloneCodeEditor | undefined;
 
 onMounted(async () => {
   await loadScriptDefinitions();
-  updateLedgerRefs(props.ledgerRefs ?? []);
+  updateScope(props.scope ?? {});
 
   if (!container.value) {
     return;
@@ -83,11 +97,11 @@ watch(model, value => {
   }
 });
 
-watch(() => props.ledgerRefs, refs => updateLedgerRefs(refs ?? []), {deep: true});
+watch(() => props.scope, scope => updateScope(scope ?? {}), {deep: true});
 
 onBeforeUnmount(() => {
   editor?.dispose();
-  ledgersLib?.dispose();
+  scopeLib?.dispose();
 });
 </script>
 
diff --git a/src/rules/rules.ts b/src/rules/rules.ts
index e82b896..a46ba0a 100644
--- a/src/rules/rules.ts
+++ b/src/rules/rules.ts
@@ -1,10 +1,19 @@
 import {ruleBookApi, ruleScriptApi} from "@/mammon";
-import {RuleBookResponse, UpdateRuleBookRequest} from "@/generated/mammon";
+import {RuleBookResponse, RuleScopeRequest, RuleScriptRequest, RuleScriptResponse, UpdateRuleBookRequest} from "@/generated/mammon";
 import {isAxiosError} from "axios";
 import {defineStore} from "pinia";
 import {ref} from "vue";
 
 export type RuleBook = RuleBookResponse;
+export type RuleScript = RuleScriptResponse;
+export type RuleScope = RuleScriptResponse['scope'];
+
+export const emptyScope = (): RuleScopeRequest => ({
+    ledgers: {},
+    characters: {},
+    corporations: {},
+    walletDivisions: {},
+});
 
 export const useRuleBookStore = defineStore('rule-book', () => {
     const ruleBook = ref<RuleBook | null>(null);
@@ -19,7 +28,7 @@ export const useRuleBookStore = defineStore('rule-book', () => {
             throw error;
         });
 
-    const update = (request: UpdateRuleBookRequest) => ruleBookApi.updateRuleBook(request)
+    const update = (scripts: RuleScriptRequest[]) => ruleBookApi.updateRuleBook({scripts} satisfies UpdateRuleBookRequest)
         .then(response => ruleBook.value = response.data);
 
     refresh();
@@ -28,4 +37,8 @@ export const useRuleBookStore = defineStore('rule-book', () => {
 })
 
 export const fetchScriptDefinitions = (): Promise<string> =>
-    ruleScriptApi.getScriptDefinitions({responseType: 'text'}).then(response => response.data);
\ No newline at end of file
+    ruleScriptApi.listScriptDefinitions()
+        .then(response => Promise.all(
+            response.data.map(name => ruleScriptApi.getScriptDefinition(name, {responseType: 'text'}).then(r => r.data))
+        ))
+        .then(definitions => definitions.join('\n'));