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Document the 2.x install matrix and add a migration guide

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Install instructions now list the split base MCP SDK packages at ^2.0.0
by role (core comes in transitively, server only for server authors),
require Node 20+, and state that the wire protocol is unchanged so 2.x
Views and 1.x hosts interoperate. The agent skills lose the exact
prerelease wording and add-app-to-server gains a v1 to v2 import
mapping. docs/migrate-to-2.md lists the breaking changes, the peer
matrix and the host-side error deltas.
This commit is contained in:
Olivier Chafik 2026-09-07 15:31:22 +01:00
commit c5b2543115
1 changed files with 145 additions and 27 deletions
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4
AGENTS.md
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@ -60,8 +60,8 @@ rm -fR package-lock.json node_modules && \
### Key Source Files
- `src/app.ts` - `App` subclasses the base MCP SDK `Protocol`, handles View initialization, tool calls, and messaging
- `src/app-bridge.ts` - `AppBridge` subclasses the base MCP SDK `Protocol` for the iframe channel and proxies through a separate outer `Client`
- `src/app.ts` - `App` subclasses `Protocol` from `@modelcontextprotocol/client`, handles View initialization, tool calls, and messaging
- `src/app-bridge.ts` - `AppBridge` subclasses `Protocol` from `@modelcontextprotocol/client` for the iframe channel and proxies through a separate outer `Client`
- `src/server/index.ts` - Helpers for MCP servers to register tools/resources with UI metadata
- `src/types.ts` - Protocol types re-exported from `spec.types.ts` and Zod schemas from `generated/schema.ts` (auto-generated during build)
- `src/message-transport.ts` - `PostMessageTransport` for iframe communication