diff --git a/.gitmodules b/.gitmodules
index 2049013..00fa7e5 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "instructions"]
 	path = instructions
 	url = https://gitea.dsrptlab.com/dsrptlab/instructions
+[submodule "graphql-contracts"]
+	path = graphql-contracts
+	url = git@gitea.dsrptlab.com:mapflow/mapflow-graphql-contracts.git
diff --git a/graphql-contracts b/graphql-contracts
new file mode 160000
index 0000000..3340962
--- /dev/null
+++ b/graphql-contracts
@@ -0,0 +1 @@
+Subproject commit 3340962c024cd33935f8f3669ef86a31ca3e1128
diff --git a/package.json b/package.json
index 09de9ca..539762f 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,8 @@
     "dev": "node --import tsx ./src/server.ts",
     "start": "node dist/server.js",
     "prisma:generate": "prisma generate",
-    "prisma:migrate:deploy": "prisma migrate deploy"
+    "prisma:migrate:deploy": "prisma migrate deploy",
+    "graphql:export-contract": "node --import tsx ./scripts/export-graphql-contract.ts"
   },
   "repository": {
     "type": "git",
diff --git a/scripts/export-graphql-contract.ts b/scripts/export-graphql-contract.ts
new file mode 100644
index 0000000..30aaf0c
--- /dev/null
+++ b/scripts/export-graphql-contract.ts
@@ -0,0 +1,10 @@
+import { mkdir, writeFile } from 'node:fs/promises';
+import { dirname, resolve } from 'node:path';
+
+import { typeDefs } from '../src/graphql/type-defs.js';
+
+const schemaPath = resolve('graphql-contracts/schema.graphql');
+const schema = typeDefs.trim().replace(/^  /gm, '');
+
+await mkdir(dirname(schemaPath), { recursive: true });
+await writeFile(schemaPath, `${schema}\n`, 'utf8');
diff --git a/src/graphql/schema.ts b/src/graphql/schema.ts
index 4471beb..9ce9792 100644
--- a/src/graphql/schema.ts
+++ b/src/graphql/schema.ts
@@ -1,4 +1,5 @@
 import { GraphQLJSONObject } from './scalars.js';
+import { typeDefs } from './type-defs.js';
 import {
   getOrCreateTelegramLoginUser,
   getOrCreateTelegramUser,
@@ -23,114 +24,7 @@ export type GraphqlContext = {
   mapflowSessionToken?: string;
 };
 
-export const schema = /* GraphQL */ `
-  scalar JSON
-
-  enum VoiceExperienceStatus {
-    UPLOADED
-    TRANSCRIBING
-    TRANSCRIBED
-    ANALYZING
-    ANALYZED
-    FAILED
-  }
-
-  type Place {
-    id: ID!
-    googlePlaceId: String!
-    name: String!
-    latitude: Float!
-    longitude: Float!
-    googlePrimaryType: String
-    googleTypes: [String!]!
-    experiences: [VoiceExperience!]!
-  }
-
-  type User {
-    id: ID!
-    telegramId: String!
-    username: String
-    firstName: String
-    lastName: String
-    photoUrl: String
-    languageCode: String
-    isAdmin: Boolean!
-  }
-
-  type VoiceExperience {
-    id: ID!
-    place: Place!
-    user: User
-    status: VoiceExperienceStatus!
-    durationSeconds: Int!
-    audioObjectKey: String!
-    transcript: String
-    analysis: JSON
-    createdAt: String!
-  }
-
-  input CreateVoiceExperienceInput {
-    googlePlaceId: String!
-    googleName: String!
-    latitude: Float!
-    longitude: Float!
-    durationSeconds: Int!
-    audioObjectKey: String!
-    audioContentBase64: String!
-    audioMimeType: String!
-  }
-
-  input NearbyPlacesInput {
-    latitude: Float!
-    longitude: Float!
-    radiusMeters: Int!
-  }
-
-  input AuthenticateTelegramInput {
-    initData: String!
-  }
-
-  input AuthenticateTelegramLoginInput {
-    id: Float!
-    first_name: String
-    last_name: String
-    username: String
-    photo_url: String
-    auth_date: Float!
-    hash: String!
-  }
-
-  type AuthPayload {
-    user: User!
-  }
-
-  type TelegramBotLoginPayload {
-    token: String!
-    botUrl: String!
-    expiresAt: String!
-  }
-
-  type TelegramBotLoginSession {
-    sessionToken: String!
-    user: User!
-  }
-
-  type Query {
-    health: String!
-    me: User!
-    places: [Place!]!
-    nearbyPlaces(input: NearbyPlacesInput!): [Place!]!
-    voiceExperiences: [VoiceExperience!]!
-  }
-
-  type Mutation {
-    startTelegramBotLogin: TelegramBotLoginPayload!
-    completeTelegramBotLogin(token: String!): TelegramBotLoginSession!
-    authenticateTelegram(input: AuthenticateTelegramInput!): AuthPayload!
-    authenticateTelegramLogin(input: AuthenticateTelegramLoginInput!): AuthPayload!
-    createVoiceExperience(input: CreateVoiceExperienceInput!): VoiceExperience!
-  }
-`;
+export const schema = typeDefs;
 
 export const resolvers = {
   JSON: GraphQLJSONObject,
diff --git a/src/graphql/type-defs.ts b/src/graphql/type-defs.ts
new file mode 100644
index 0000000..f30040a
--- /dev/null
+++ b/src/graphql/type-defs.ts
@@ -0,0 +1,108 @@
+export const typeDefs = /* GraphQL */ `
+  scalar JSON
+
+  enum VoiceExperienceStatus {
+    UPLOADED
+    TRANSCRIBING
+    TRANSCRIBED
+    ANALYZING
+    ANALYZED
+    FAILED
+  }
+
+  type Place {
+    id: ID!
+    googlePlaceId: String!
+    name: String!
+    latitude: Float!
+    longitude: Float!
+    googlePrimaryType: String
+    googleTypes: [String!]!
+    experiences: [VoiceExperience!]!
+  }
+
+  type User {
+    id: ID!
+    telegramId: String!
+    username: String
+    firstName: String
+    lastName: String
+    photoUrl: String
+    languageCode: String
+    isAdmin: Boolean!
+  }
+
+  type VoiceExperience {
+    id: ID!
+    place: Place!
+    user: User
+    status: VoiceExperienceStatus!
+    durationSeconds: Int!
+    audioObjectKey: String!
+    transcript: String
+    analysis: JSON
+    createdAt: String!
+  }
+
+  input CreateVoiceExperienceInput {
+    googlePlaceId: String!
+    googleName: String!
+    latitude: Float!
+    longitude: Float!
+    durationSeconds: Int!
+    audioObjectKey: String!
+    audioContentBase64: String!
+    audioMimeType: String!
+  }
+
+  input NearbyPlacesInput {
+    latitude: Float!
+    longitude: Float!
+    radiusMeters: Int!
+  }
+
+  input AuthenticateTelegramInput {
+    initData: String!
+  }
+
+  input AuthenticateTelegramLoginInput {
+    id: Float!
+    first_name: String
+    last_name: String
+    username: String
+    photo_url: String
+    auth_date: Float!
+    hash: String!
+  }
+
+  type AuthPayload {
+    user: User!
+  }
+
+  type TelegramBotLoginPayload {
+    token: String!
+    botUrl: String!
+    expiresAt: String!
+  }
+
+  type TelegramBotLoginSession {
+    sessionToken: String!
+    user: User!
+  }
+
+  type Query {
+    health: String!
+    me: User!
+    places: [Place!]!
+    nearbyPlaces(input: NearbyPlacesInput!): [Place!]!
+    voiceExperiences: [VoiceExperience!]!
+  }
+
+  type Mutation {
+    startTelegramBotLogin: TelegramBotLoginPayload!
+    completeTelegramBotLogin(token: String!): TelegramBotLoginSession!
+    authenticateTelegram(input: AuthenticateTelegramInput!): AuthPayload!
+    authenticateTelegramLogin(input: AuthenticateTelegramLoginInput!): AuthPayload!
+    createVoiceExperience(input: CreateVoiceExperienceInput!): VoiceExperience!
+  }
+`;