diff --git a/app/tests/agent-plugin.test.ts b/app/tests/agent-plugin.test.ts
index 8ab874ca..9942f51f 100644
--- a/app/tests/agent-plugin.test.ts
+++ b/app/tests/agent-plugin.test.ts
@@ -31,10 +31,7 @@ describe("the allthings agent plugin", () => {
     expect(Object.keys(config.mcpServers)).toEqual(["allthings"]);
     expect(config.mcpServers.allthings).toEqual({
       type: "streamable-http",
-      // allthingsweb.dev until allthings.dev serves the new site: before the
-      // domain moves, allthings.dev only redirects, and a redirect drops an
-      // MCP POST. It flips with the move (infra/docs/r2-migration.md).
-      url: "https://allthingsweb.dev/mcp",
+      url: "https://allthings.dev/mcp",
     });
   });
 
diff --git a/cli/README.md b/cli/README.md
index 2b0999ac..600d5e45 100644
--- a/cli/README.md
+++ b/cli/README.md
@@ -39,6 +39,6 @@ bun run check && bun run typecheck && bun test
 bun run src/index.ts events
 ```
 
-`src/config.ts` holds the site it talks to, `siteOrigin`. It stays on allthingsweb.dev until allthings.dev serves the new site: until then allthings.dev only redirects, and a redirect drops an MCP POST. It flips with the domain move (`infra/docs/r2-migration.md`, Phase 4).
+`src/config.ts` holds the site it talks to, `siteOrigin`: https://allthings.dev, whose MCP server is at `/mcp`.
 
 Releases are GitHub releases, cut by pushing a tag that matches `version` in `package.json` (`.github/workflows/cli-release.yaml`). A hyphenated tag (`2.0.0-alpha.2`) is a prerelease, and the installer skips it unless asked. Nothing is published to npm: the package is private.
diff --git a/cli/src/config.ts b/cli/src/config.ts
index 848eefc8..9611723c 100644
--- a/cli/src/config.ts
+++ b/cli/src/config.ts
@@ -1,12 +1,5 @@
-/**
- * The site the CLI talks to, and the one value that moves it. allthingsweb.dev
- * serves the MCP server until allthings.dev does: before the domain moves,
- * allthings.dev only redirects there, and a redirect drops an MCP POST. Flip
- * this to "https://allthings.dev" once the new site answers on it
- * (infra/docs/r2-migration.md, Phase 4).
- */
-export const siteOrigin: "https://allthingsweb.dev" | "https://allthings.dev" =
-  "https://allthingsweb.dev";
+/** The site the CLI talks to: its MCP server is at `/mcp`. */
+export const siteOrigin = "https://allthings.dev";
 
 /** The public MCP server every command reads from. */
 export const defaultEndpoint = `${siteOrigin}/mcp`;
diff --git a/cli/src/schemas.ts b/cli/src/schemas.ts
index ec2fc2c0..2003721d 100644
--- a/cli/src/schemas.ts
+++ b/cli/src/schemas.ts
@@ -1,7 +1,7 @@
 import { z } from "zod";
 
 /**
- * The public All Things Web contract, as served by https://allthingsweb.dev/mcp.
+ * The public all things contract, as served by https://allthings.dev/mcp.
  * Mirrors app/src/lib/public-api/schemas.ts; a contract test keeps them equal.
  */
 
diff --git a/cli/tests/client.test.ts b/cli/tests/client.test.ts
index 33d0da72..e1145a0a 100644
--- a/cli/tests/client.test.ts
+++ b/cli/tests/client.test.ts
@@ -142,7 +142,7 @@ describe("MCP client", () => {
       ExitCode.ServiceError,
     );
     expect(error.message).toBe(
-      "Could not reach https://allthingsweb.dev/mcp: timed out",
+      "Could not reach https://allthings.dev/mcp: timed out",
     );
   });
 });
diff --git a/cli/tests/config.test.ts b/cli/tests/config.test.ts
index 2342d574..f2d0722b 100644
--- a/cli/tests/config.test.ts
+++ b/cli/tests/config.test.ts
@@ -8,13 +8,9 @@ import {
 import packageJson from "../package.json";
 
 describe("config", () => {
-  test("the default endpoint is the site's MCP server", () => {
-    expect(defaultEndpoint).toBe(`${siteOrigin}/mcp`);
-    // Until allthings.dev serves the new site, it only redirects, and a
-    // redirect drops an MCP POST.
-    expect(["https://allthingsweb.dev", "https://allthings.dev"]).toContain(
-      siteOrigin,
-    );
+  test("the default endpoint is the site's MCP server, on allthings.dev", () => {
+    expect(siteOrigin).toBe("https://allthings.dev");
+    expect(defaultEndpoint).toBe("https://allthings.dev/mcp");
   });
 
   test("ALLTHINGS_MCP_URL wins, then ATW_MCP_URL, then the default", () => {
diff --git a/cli/tests/fixtures.ts b/cli/tests/fixtures.ts
index e91e771a..fb5ee9e9 100644
--- a/cli/tests/fixtures.ts
+++ b/cli/tests/fixtures.ts
@@ -10,7 +10,7 @@ export const summary: EventSummary = {
   slug: "2026-09-30-effect",
   name: "Effect San Francisco",
   tagline: "An evening with Michael Arnaldi",
-  url: "https://allthingsweb.dev/2026-09-30-effect",
+  url: "https://allthings.dev/2026-09-30-effect",
   status: "upcoming",
   startsAt: "2026-10-01T00:30:00.000Z",
   endsAt: "2026-10-01T03:30:00.000Z",
@@ -54,7 +54,7 @@ export const speaker: Speaker = {
       title: "Analytical engines",
       eventName: "All Things Web",
       eventSlug: "2024-05-14-remix",
-      eventUrl: "https://allthingsweb.dev/2024-05-14-remix",
+      eventUrl: "https://allthings.dev/2024-05-14-remix",
       date: "2024-05-15T01:00:00.000Z",
     },
   ],
@@ -69,10 +69,10 @@ export const community: Community = {
   independence: "Independence.",
   hosting: "Hosting.",
   links: {
-    website: "https://allthingsweb.dev",
+    website: "https://allthings.dev",
     events: "https://luma.com/allthingsweb",
     discord: "https://discord.gg/B3Sm4b5mfD",
-    codeOfConduct: "https://allthingsweb.dev/code-of-conduct",
+    codeOfConduct: "https://allthings.dev/code-of-conduct",
   },
 };
 
diff --git a/core/scripts/fixtures.ts b/core/scripts/fixtures.ts
index 7b79c169..6890ea28 100644
--- a/core/scripts/fixtures.ts
+++ b/core/scripts/fixtures.ts
@@ -4,7 +4,7 @@
  *
  *   bun run fixtures [endpoint]
  */
-const endpoint = process.argv[2] ?? "https://allthingsweb.dev/mcp";
+const endpoint = process.argv[2] ?? "https://allthings.dev/mcp";
 const dir = new URL("../tests/fixtures/", import.meta.url);
 
 async function call(name: string, args: Record<string, unknown>) {
diff --git a/plugins/allthings/mcp.json b/plugins/allthings/mcp.json
index 471abbeb..88e20012 100644
--- a/plugins/allthings/mcp.json
+++ b/plugins/allthings/mcp.json
@@ -3,7 +3,7 @@
   "mcpServers": {
     "allthings": {
       "type": "streamable-http",
-      "url": "https://allthingsweb.dev/mcp"
+      "url": "https://allthings.dev/mcp"
     }
   }
 }
diff --git a/plugins/allthings/plugin.json b/plugins/allthings/plugin.json
index 2cc2351d..e8017b08 100644
--- a/plugins/allthings/plugin.json
+++ b/plugins/allthings/plugin.json
@@ -1,7 +1,7 @@
 {
   "$schema": "https://agent-plugins.org/schemas/1.0.0/plugin.schema.json",
   "name": "allthings",
-  "version": "0.2.0",
+  "version": "0.2.1",
   "description": "Find all things evenings in San Francisco, for people who build software: what's coming up, who's on stage and what they built, who's hosting, and where to say you're in.",
   "author": {
     "name": "all things",