diff --git a/AGENTS.md b/AGENTS.md
index 4920362..437ef2a 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -127,4 +127,6 @@ need to ...", do it instead, unless it is one of the owner steps in point 2.
 - Inner loop: `bun run ci:quick` (typecheck, the tests related to your change against origin/main, scrub; seconds).
   Before every push: the full `bun run ci` (every check and test, in parallel shards), and check its exit code.
 - Skills are the single source: edit `skills/*/SKILL.md` or `docs/agents-core.md`, then `bun tools/gen-adapters.ts`.
+- Every check, rule, template line, message and desktop view covers both stores (App Store and Google Play) and every
+  surface (CLI, MCP, desktop, skills); when a store has no equivalent field, say where the same thing goes there.
 - Never commit credentials, account / team / issuer / key / app ids or personal data; placeholders use example.com.
diff --git a/tools/gen-adapters.ts b/tools/gen-adapters.ts
index 875b692..cba4d50 100644
--- a/tools/gen-adapters.ts
+++ b/tools/gen-adapters.ts
@@ -87,6 +87,8 @@ export function generate(root: string): Map<string, string> {
     '- Inner loop: `bun run ci:quick` (typecheck, the tests related to your change against origin/main, scrub; seconds).',
     '  Before every push: the full `bun run ci` (every check and test, in parallel shards), and check its exit code.',
     '- Skills are the single source: edit `skills/*/SKILL.md` or `docs/agents-core.md`, then `bun tools/gen-adapters.ts`.',
+    '- Every check, rule, template line, message and desktop view covers both stores (App Store and Google Play) and every',
+    '  surface (CLI, MCP, desktop, skills); when a store has no equivalent field, say where the same thing goes there.',
     '- Never commit credentials, account / team / issuer / key / app ids or personal data; placeholders use example.com.',
     ''].join('\n'));