diff --git a/README.md b/README.md
index 8f790e8..e9b64e3 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # @thinkfleet/memory-sdk
 
-TypeScript SDK for [memory.thinkfleet.ai](https://memory.thinkfleet.ai) — a managed memory + behavioral-pattern engine for AI agents.
+TypeScript SDK for [app.memmesh.ai](https://app.memmesh.ai) — a managed memory + behavioral-pattern engine for AI agents.
 
 Two resources:
 - **`memory`** — admin + project memory CRUD, semantic search, promote/confirm/reject workflow, feedback
@@ -54,7 +54,7 @@ const hits = await tf.memory.admin.search({
 const tf = new ThinkFleetMemory({
   apiKey: 'sk-...',                              // Required
   projectId: 'proj_...',                         // Required default
-  baseUrl: 'https://memory.thinkfleet.ai',       // Default
+  baseUrl: 'https://app.memmesh.ai',       // Default
   maxRetries: 2,                                 // Retries 429/5xx with backoff
   timeout: 30_000,                               // ms
   fetch: globalThis.fetch,                       // BYO fetch
diff --git a/examples/README.md b/examples/README.md
index 2628279..783b89f 100644
--- a/examples/README.md
+++ b/examples/README.md
@@ -23,7 +23,7 @@ npx tsx examples/financial-demo.ts --fetch-only
 # Full end-to-end (needs a project with @thinkfleet/pack-financial enabled):
 export THINKFLEET_API_KEY="sk-..."
 export THINKFLEET_PROJECT_ID="..."
-export THINKFLEET_BASE_URL="https://memory.thinkfleet.ai"   # optional
+export THINKFLEET_BASE_URL="https://app.memmesh.ai"   # optional
 export DEMO_TICKERS="AAPL,MSFT,NVDA"                        # optional
 npm run demo:financial
 ```
@@ -70,7 +70,7 @@ npm install   # pulls @anthropic-ai/sdk + zod (dev deps for this example)
 export THINKFLEET_API_KEY="sk-..."
 export THINKFLEET_PROJECT_ID="..."
 export ANTHROPIC_API_KEY="sk-ant-..."
-export THINKFLEET_BASE_URL="https://memory.thinkfleet.ai"   # optional
+export THINKFLEET_BASE_URL="https://app.memmesh.ai"   # optional
 npm run demo:nbo
 ```
 
diff --git a/examples/financial-demo.ts b/examples/financial-demo.ts
index 12bf966..24e15f7 100644
--- a/examples/financial-demo.ts
+++ b/examples/financial-demo.ts
@@ -18,7 +18,7 @@
  * Usage:
  *   export THINKFLEET_API_KEY="sk-..."
  *   export THINKFLEET_PROJECT_ID="..."          # must have @thinkfleet/pack-financial enabled
- *   export THINKFLEET_BASE_URL="https://memory.thinkfleet.ai"   # optional
+ *   export THINKFLEET_BASE_URL="https://app.memmesh.ai"   # optional
  *   export DEMO_TICKERS="AAPL,MSFT,NVDA"        # optional
  *   npx tsx examples/financial-demo.ts
  *
@@ -34,7 +34,7 @@ import type { PriceInput, NewsInput } from '../src/index.js'
 const FETCH_ONLY = process.argv.includes('--fetch-only')
 const API_KEY = process.env.THINKFLEET_API_KEY
 const PROJECT_ID = process.env.THINKFLEET_PROJECT_ID
-const BASE_URL = process.env.THINKFLEET_BASE_URL ?? 'https://memory.thinkfleet.ai'
+const BASE_URL = process.env.THINKFLEET_BASE_URL ?? 'https://app.memmesh.ai'
 const TICKERS = (process.env.DEMO_TICKERS ?? 'AAPL,MSFT,NVDA')
   .split(',')
   .map((t) => t.trim().toUpperCase())
@@ -48,7 +48,7 @@ if (!FETCH_ONLY && (!API_KEY || !PROJECT_ID)) {
   console.error('Missing required environment variables:')
   console.error('  THINKFLEET_API_KEY=sk-...')
   console.error('  THINKFLEET_PROJECT_ID=...   (project must have @thinkfleet/pack-financial enabled)')
-  console.error('  THINKFLEET_BASE_URL=https://memory.thinkfleet.ai   (optional)')
+  console.error('  THINKFLEET_BASE_URL=https://app.memmesh.ai   (optional)')
   console.error('\nOr run the data-pull half only:  npx tsx examples/financial-demo.ts --fetch-only')
   process.exit(1)
 }
diff --git a/examples/next-best-offer.ts b/examples/next-best-offer.ts
index e75e6be..dfb5a0d 100644
--- a/examples/next-best-offer.ts
+++ b/examples/next-best-offer.ts
@@ -26,7 +26,7 @@
  * Usage:
  *   export THINKFLEET_API_KEY="sk-..."
  *   export THINKFLEET_PROJECT_ID="..."
- *   export THINKFLEET_BASE_URL="https://memory.thinkfleet.ai"   # optional
+ *   export THINKFLEET_BASE_URL="https://app.memmesh.ai"   # optional
  *   export ANTHROPIC_API_KEY="sk-ant-..."
  *   npx tsx examples/next-best-offer.ts
  *
diff --git a/examples/predict-anything.ts b/examples/predict-anything.ts
index c534b3b..774f6f9 100644
--- a/examples/predict-anything.ts
+++ b/examples/predict-anything.ts
@@ -20,7 +20,7 @@
  * Usage:
  *   export THINKFLEET_API_KEY="sk-..."
  *   export THINKFLEET_PROJECT_ID="..."
- *   export THINKFLEET_BASE_URL="https://memory.thinkfleet.ai"   # optional
+ *   export THINKFLEET_BASE_URL="https://app.memmesh.ai"   # optional
  *   export DEMO_SUBJECT="customer:acct-42"                      # optional, kind:externalId
  *   npx tsx examples/predict-anything.ts
  */
@@ -32,7 +32,7 @@ import type { PredictionTarget, TargetPrediction, Subject } from '../src/index.j
 
 const API_KEY = process.env.THINKFLEET_API_KEY
 const PROJECT_ID = process.env.THINKFLEET_PROJECT_ID
-const BASE_URL = process.env.THINKFLEET_BASE_URL ?? 'https://memory.thinkfleet.ai'
+const BASE_URL = process.env.THINKFLEET_BASE_URL ?? 'https://app.memmesh.ai'
 
 const [subjectKind, subjectId] = (process.env.DEMO_SUBJECT ?? 'customer:acct-42').split(':')
 const SUBJECT: Subject = { kind: subjectKind, externalId: subjectId }
diff --git a/package.json b/package.json
index c7bfc92..0f5dcf3 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@thinkfleet/memory-sdk",
-  "version": "0.4.0",
-  "description": "TypeScript SDK for memory.thinkfleet.ai — admin + project memory CRUD, semantic search, feedback, and Lattice behavioral patterns",
+  "version": "0.4.1",
+  "description": "TypeScript SDK for app.memmesh.ai — admin + project memory CRUD, semantic search, feedback, and Lattice behavioral patterns",
   "type": "module",
   "main": "./dist/index.cjs",
   "module": "./dist/index.js",
diff --git a/scripts/seed-lattice.ts b/scripts/seed-lattice.ts
index 3652895..471267c 100644
--- a/scripts/seed-lattice.ts
+++ b/scripts/seed-lattice.ts
@@ -14,7 +14,7 @@
  *     (the same UI surface — patterns ARE memories on the storage side)
  *
  * Usage:
- *   API_KEY=sk-... PROJECT_ID=proj_... BASE_URL=https://memory.thinkfleet.ai \
+ *   API_KEY=sk-... PROJECT_ID=proj_... BASE_URL=https://app.memmesh.ai \
  *     npx tsx scripts/seed-lattice.ts
  *
  * Flags:
@@ -29,13 +29,13 @@ import { ThinkFleetMemory, MemoryItemType, MemoryScope } from '../src/index.js'
 
 const API_KEY = process.env.API_KEY ?? process.env.THINKFLEET_API_KEY
 const PROJECT_ID = process.env.PROJECT_ID ?? process.env.THINKFLEET_PROJECT_ID
-const BASE_URL = process.env.BASE_URL ?? process.env.THINKFLEET_BASE_URL ?? 'https://memory.thinkfleet.ai'
+const BASE_URL = process.env.BASE_URL ?? process.env.THINKFLEET_BASE_URL ?? 'https://app.memmesh.ai'
 
 if (!API_KEY || !PROJECT_ID) {
   console.error('Missing required environment variables:')
   console.error('  API_KEY=sk-...')
   console.error('  PROJECT_ID=proj_...')
-  console.error('  BASE_URL=https://memory.thinkfleet.ai   (optional)')
+  console.error('  BASE_URL=https://app.memmesh.ai   (optional)')
   process.exit(1)
 }
 
@@ -154,7 +154,7 @@ async function seedSubject(spec: SubjectSpec): Promise<number> {
 // ── Main ────────────────────────────────────────────────────────────
 
 async function main(): Promise<void> {
-  console.log('memory.thinkfleet.ai lattice seed script')
+  console.log('app.memmesh.ai lattice seed script')
   console.log(`  base:    ${BASE_URL}`)
   console.log(`  project: ${PROJECT_ID}`)
 
diff --git a/scripts/seed-memory.ts b/scripts/seed-memory.ts
index b0cc759..92af970 100644
--- a/scripts/seed-memory.ts
+++ b/scripts/seed-memory.ts
@@ -7,7 +7,7 @@
  * Theme: AI-engineering team's institutional knowledge base.
  *
  * Usage:
- *   API_KEY=sk-... PROJECT_ID=proj_... BASE_URL=https://memory.thinkfleet.ai \
+ *   API_KEY=sk-... PROJECT_ID=proj_... BASE_URL=https://app.memmesh.ai \
  *     npx tsx scripts/seed-memory.ts
  *
  * Flags:
@@ -21,13 +21,13 @@ import { ThinkFleetMemory, MemoryItemType, MemoryScope } from '../src/index.js'
 
 const API_KEY = process.env.API_KEY ?? process.env.THINKFLEET_API_KEY
 const PROJECT_ID = process.env.PROJECT_ID ?? process.env.THINKFLEET_PROJECT_ID
-const BASE_URL = process.env.BASE_URL ?? process.env.THINKFLEET_BASE_URL ?? 'https://memory.thinkfleet.ai'
+const BASE_URL = process.env.BASE_URL ?? process.env.THINKFLEET_BASE_URL ?? 'https://app.memmesh.ai'
 
 if (!API_KEY || !PROJECT_ID) {
   console.error('Missing required environment variables:')
   console.error('  API_KEY=sk-...')
   console.error('  PROJECT_ID=proj_...')
-  console.error('  BASE_URL=https://memory.thinkfleet.ai   (optional)')
+  console.error('  BASE_URL=https://app.memmesh.ai   (optional)')
   process.exit(1)
 }
 
@@ -202,7 +202,7 @@ async function cleanupSeed(): Promise<number> {
 // ── Main ────────────────────────────────────────────────────────────
 
 async function main(): Promise<void> {
-  console.log(`memory.thinkfleet.ai seed script`)
+  console.log(`app.memmesh.ai seed script`)
   console.log(`  base:    ${BASE_URL}`)
   console.log(`  project: ${PROJECT_ID}`)
 
diff --git a/src/client.ts b/src/client.ts
index b3e74e7..a73579f 100644
--- a/src/client.ts
+++ b/src/client.ts
@@ -17,7 +17,7 @@ export interface ThinkFleetMemoryOptions {
   apiKey: string
   /** Default project ID for all requests. Can be overridden per-call via `{ projectId: ... }`. */
   projectId: string
-  /** Base URL of the memory.thinkfleet.ai API. Default: `https://memory.thinkfleet.ai`. */
+  /** Base URL of the app.memmesh.ai API. Default: `https://app.memmesh.ai`. */
   baseUrl?: string
   /** Retries 429 + 5xx with exponential backoff. Default 2. */
   maxRetries?: number
@@ -32,7 +32,7 @@ export interface ThinkFleetMemoryOptions {
 }
 
 /**
- * TypeScript client for memory.thinkfleet.ai.
+ * TypeScript client for app.memmesh.ai.
  *
  * Exposes two resources:
  *  - `memory`  — admin + project memory CRUD, semantic search, feedback
@@ -76,7 +76,7 @@ export class ThinkFleetMemory {
     const http = new HttpClient({
       apiKey: options.apiKey,
       projectId: options.projectId,
-      baseUrl: (options.baseUrl ?? 'https://memory.thinkfleet.ai').replace(/\/+$/, ''),
+      baseUrl: (options.baseUrl ?? 'https://app.memmesh.ai').replace(/\/+$/, ''),
       maxRetries: options.maxRetries ?? 2,
       timeout: options.timeout ?? 30000,
       fetchFn: options.fetch ?? globalThis.fetch.bind(globalThis),
diff --git a/src/resources/lattice.ts b/src/resources/lattice.ts
index db329ca..6b81d75 100644
--- a/src/resources/lattice.ts
+++ b/src/resources/lattice.ts
@@ -25,7 +25,7 @@ import type {
 } from '../types/lattice.js'
 
 /**
- * Lattice — behavioral pattern intelligence for memory.thinkfleet.ai.
+ * Lattice — behavioral pattern intelligence for app.memmesh.ai.
  *
  * Mines a contact's event history for repeatable behaviors and exposes
  * a context bundle the agent can hand to a message-rendering step.
diff --git a/src/resources/memory.ts b/src/resources/memory.ts
index 5ea63c1..2fb5143 100644
--- a/src/resources/memory.ts
+++ b/src/resources/memory.ts
@@ -51,7 +51,7 @@ function toBase64(bytes: Uint8Array): string {
 }
 
 /**
- * Memory — primary surface for memory.thinkfleet.ai.
+ * Memory — primary surface for app.memmesh.ai.
  *
  * Two sub-resources:
  *  - `tf.memory` (this class) — current-user memories at
diff --git a/src/types/lattice.ts b/src/types/lattice.ts
index 5480698..817712a 100644
--- a/src/types/lattice.ts
+++ b/src/types/lattice.ts
@@ -1,7 +1,7 @@
 /**
  * Lattice — behavioral pattern intelligence.
  *
- * Types mirror what the memory.thinkfleet.ai backend exposes at
+ * Types mirror what the app.memmesh.ai backend exposes at
  * `/api/v1/projects/{projectId}/lattice/*`. The server-side
  * implementation is TS today; cuts over to a Rust gRPC engine in a
  * follow-up.
diff --git a/test-app.ts b/test-app.ts
index 0cb61d4..59b15d1 100644
--- a/test-app.ts
+++ b/test-app.ts
@@ -2,14 +2,14 @@
 /**
  * @thinkfleet/memory-sdk — integration smoke test
  *
- * Exercises every public SDK method against a live memory.thinkfleet.ai
+ * Exercises every public SDK method against a live app.memmesh.ai
  * instance. Read-mostly, with one create+update+delete cycle so the
  * project is left in the same state it started.
  *
  * Usage:
  *   export THINKFLEET_API_KEY="sk-..."
  *   export THINKFLEET_PROJECT_ID="..."
- *   export THINKFLEET_BASE_URL="https://memory.thinkfleet.ai"   # optional
+ *   export THINKFLEET_BASE_URL="https://app.memmesh.ai"   # optional
  *   npx tsx test-app.ts
  *
  * Exit code 0 = all checks passed, 1 = at least one failed. Failures
@@ -23,13 +23,13 @@ import { ThinkFleetMemory, MemoryItemType, MemoryScope } from './src/index.js'
 
 const API_KEY = process.env.THINKFLEET_API_KEY
 const PROJECT_ID = process.env.THINKFLEET_PROJECT_ID
-const BASE_URL = process.env.THINKFLEET_BASE_URL ?? 'https://memory.thinkfleet.ai'
+const BASE_URL = process.env.THINKFLEET_BASE_URL ?? 'https://app.memmesh.ai'
 
 if (!API_KEY || !PROJECT_ID) {
   console.error('Missing required environment variables:')
   console.error('  THINKFLEET_API_KEY=sk-...')
   console.error('  THINKFLEET_PROJECT_ID=...')
-  console.error('  THINKFLEET_BASE_URL=https://memory.thinkfleet.ai   (optional)')
+  console.error('  THINKFLEET_BASE_URL=https://app.memmesh.ai   (optional)')
   process.exit(1)
 }
 
@@ -67,7 +67,7 @@ function section(title: string): void {
 // ── Checks ──────────────────────────────────────────────────────────
 
 async function run(): Promise<void> {
-  console.log(`memory.thinkfleet.ai SDK smoke test`)
+  console.log(`app.memmesh.ai SDK smoke test`)
   console.log(`  base:    ${BASE_URL}`)
   console.log(`  project: ${PROJECT_ID}`)