diff --git a/AGENTS.md b/AGENTS.md
index cf4fafc8de..d1d39facb8 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -4,6 +4,7 @@
 
 ### General
 
+- Read `docs/CONTRIBUTING.md` for details on setting up the repository for development
 - Unless stated otherwise, avoid Node.js
 - Apply our latest coding style to every file changed
 - Avoid spaghetti code: on new feature with a similar existing feature, refactor existing one before writing new feature
@@ -23,6 +24,9 @@
 - Prefer uppercase for acronyms instead of Pascal case, e.g. `getURL()` over `getUrl()`
    - The only exception is `id`, e.g. `getId()` over `getID()`
 - Use fewer shorthands, only allow `min`, `max`, `num`
+- All new/changed production code must have test cases, look at `__tests__/html2/**`
+- Code coverage for new/changed code should reach 80%
+- Deprecation notes should mark the date as 2 years from now
 
 ### Design
 
@@ -48,7 +52,11 @@
 - Use `{ readonly value: string }` instead of `Readonly<{ value: string }>`
 - Use as much `readonly` as possible
 
-### React template
+### React
+
+- Always add `displayName`
+
+Follow the template below.
 
 ```tsx
 import { reactNode, validateProps } from '@msinternal/botframework-webchat-react-valibot';
@@ -100,6 +108,8 @@ export { MyComponentPropsSchema, type MyComponentProps };
 - Use `@testduet/given-when-then` package instead of xUnit style `describe`/`before`/`test`/`after`
 - Prefer integration/end-to-end testing than unit testing
 - Use as realistic setup as possible, such as using `msw` than mocking calls
+- MUST NOT modify/update any existing snapshots, let human review the test failures, they could be failing legitimately
+- MUST NOT use `-u` to update snapshots, delete the snapshots and rerun `npm test` instead
 
 ## PR instructions