diff --git a/.claude/settings.local.json b/.claude/settings.local.json
index 6703ebd..9261172 100644
--- a/.claude/settings.local.json
+++ b/.claude/settings.local.json
@@ -7,7 +7,8 @@
       "mcp__plugin_svelte_svelte__svelte-autofixer",
       "mcp__plugin_svelte_svelte__get-documentation",
       "Bash(pnpm check:*)",
-      "Bash(pnpm env:generate-secret:*)"
+      "Bash(pnpm env:generate-secret:*)",
+      "Bash(pnpm build:agent-setup:*)"
     ]
   }
 }
diff --git a/AGENT_SETUP.md b/AGENT_SETUP.md
index b62930b..a84dfe6 100644
--- a/AGENT_SETUP.md
+++ b/AGENT_SETUP.md
@@ -182,6 +182,7 @@ export async function logout() {
 
 ```ts
 import { parseResourceUri, type Did, type Handle } from '@atcute/lexicons';
+import { isDid } from '@atcute/lexicons/syntax';
 import { user } from './auth.svelte';
 import { DOH_RESOLVER, type AllowedCollection } from './settings';
 import {
@@ -222,6 +223,14 @@ export async function resolveHandle({ handle }: { handle: Handle }) {
 	return data;
 }
 
+/**
+ * Returns a DID given a handle or DID string.
+ */
+export async function actorToDid(actor: string): Promise<Did> {
+	if (isDid(actor)) return actor;
+	return await resolveHandle({ handle: actor as Handle });
+}
+
 const didResolver = new CompositeDidDocumentResolver({
 	methods: {
 		plc: new PlcDidDocumentResolver(),
@@ -511,6 +520,7 @@ export { user, login, signup, logout } from './auth.svelte';
 export {
 	parseUri,
 	resolveHandle,
+	actorToDid,
 	getPDS,
 	getDetailedProfile,
 	getClient,
diff --git a/src/lib/atproto/index.ts b/src/lib/atproto/index.ts
index 43b9e59..8d3232a 100644
--- a/src/lib/atproto/index.ts
+++ b/src/lib/atproto/index.ts
@@ -3,6 +3,7 @@ export { user, login, signup, logout } from './auth.svelte';
 export {
 	parseUri,
 	resolveHandle,
+	actorToDid,
 	getPDS,
 	getDetailedProfile,
 	getClient,
diff --git a/src/lib/atproto/methods.ts b/src/lib/atproto/methods.ts
index acf9470..ade4f1a 100644
--- a/src/lib/atproto/methods.ts
+++ b/src/lib/atproto/methods.ts
@@ -1,4 +1,5 @@
 import { parseResourceUri, type Did, type Handle } from '@atcute/lexicons';
+import { isDid } from '@atcute/lexicons/syntax';
 import { user } from './auth.svelte';
 import { DOH_RESOLVER, type AllowedCollection } from './settings';
 import {
@@ -39,6 +40,14 @@ export async function resolveHandle({ handle }: { handle: Handle }) {
 	return data;
 }
 
+/**
+ * Returns a DID given a handle or DID string.
+ */
+export async function actorToDid(actor: string): Promise<Did> {
+	if (isDid(actor)) return actor;
+	return await resolveHandle({ handle: actor as Handle });
+}
+
 const didResolver = new CompositeDidDocumentResolver({
 	methods: {
 		plc: new PlcDidDocumentResolver(),