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chore: drop zod from peerDependencies (kept as direct dependency) (#1824)

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Co-authored-by: Konstantin Konstantinov <KKonstantinov@users.noreply.github.com>
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Felix Weinberger 2026-03-31 06:40:40 +01:00 • committed by GitHub
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17
README.md
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@ -39,7 +39,7 @@ This monorepo publishes split packages:
- **`@modelcontextprotocol/server`**: build MCP servers
- **`@modelcontextprotocol/client`**: build MCP clients
Both packages have a **required peer dependency** on `zod` for schema validation. The SDK uses Zod v4.
Tool and prompt schemas use [Standard Schema](https://standardschema.dev/) — bring Zod v4, Valibot, ArkType, or any compatible library.
### Middleware packages (optional)
@ -56,21 +56,21 @@ They are intentionally thin adapters: they should not introduce new MCP function
### Server
```bash
npm install @modelcontextprotocol/server zod
npm install @modelcontextprotocol/server
# or
bun add @modelcontextprotocol/server zod
bun add @modelcontextprotocol/server
# or
deno add npm:@modelcontextprotocol/server npm:zod
deno add npm:@modelcontextprotocol/server
```
### Client
```bash
npm install @modelcontextprotocol/client zod
npm install @modelcontextprotocol/client
# or
bun add @modelcontextprotocol/client zod
bun add @modelcontextprotocol/client
# or
deno add npm:@modelcontextprotocol/client npm:zod
deno add npm:@modelcontextprotocol/client
```
### Optional middleware packages
@ -157,7 +157,8 @@ The `docs:multi` script checks out both the `v1.x` and `main` branches via git w
## v1 (legacy) documentation and fixes
If you are using the **v1** generation of the SDK, the **v1 API documentation** is available at [`https://ts.sdk.modelcontextprotocol.io/`](https://ts.sdk.modelcontextprotocol.io/). The v1 source code and any v1-specific fixes live on the long-lived [`v1.x` branch](https://github.com/modelcontextprotocol/typescript-sdk/tree/v1.x). V2 API docs are at [`/v2/`](https://ts.sdk.modelcontextprotocol.io/v2/).
If you are using the **v1** generation of the SDK, the **v1 API documentation** is available at [`https://ts.sdk.modelcontextprotocol.io/`](https://ts.sdk.modelcontextprotocol.io/). The v1 source code and any v1-specific fixes live on the long-lived
[`v1.x` branch](https://github.com/modelcontextprotocol/typescript-sdk/tree/v1.x). V2 API docs are at [`/v2/`](https://ts.sdk.modelcontextprotocol.io/v2/).
## Contributing