Version Packages (alpha) (#2375)

Co-authored-by: Felix Weinberger <fweinberger@anthropic.com>
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# @modelcontextprotocol/express
## 2.0.0-alpha.4
### Minor Changes
- [#2286](https://github.com/modelcontextprotocol/typescript-sdk/pull/2286) [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771) Thanks [@felixweinberger](https://github.com/felixweinberger)! - Add Origin header validation alongside the existing Host header validation. The server package gains framework-agnostic helpers (`validateOriginHeader`, `localhostAllowedOrigins`, `originValidationResponse`); the Express, Hono and Fastify adapters gain `originValidation` /
`localhostOriginValidation` middleware and a new `allowedOrigins` option on their app factories, which now arm Origin validation by default for localhost-class binds (mirroring the Host validation ladder; the 0.0.0.0-without-allowlist warning is unchanged). Requests
without an `Origin` header pass — non-browser MCP clients are unaffected — while a present `Origin` that is not allowed or cannot be parsed (including the opaque `null` origin) is rejected with `403`. The Node adapter ships `hostHeaderValidation` / `originValidation`
request guards for plain `node:http` servers, which previously had no validation helpers.
### Patch Changes
- Updated dependencies [[`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`801111e`](https://github.com/modelcontextprotocol/typescript-sdk/commit/801111ea152c1ba08f6dda0b27d712759aeb46bf), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`6cc7b1c`](https://github.com/modelcontextprotocol/typescript-sdk/commit/6cc7b1cb66cabf23423ba0fdf06e2d1c2fcf936f), [`f0bf785`](https://github.com/modelcontextprotocol/typescript-sdk/commit/f0bf785239af67f0cfce24575fec9c1193deaff1), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771)]:
- @modelcontextprotocol/server@2.0.0-alpha.4
## 2.0.0-alpha.3
### Minor Changes

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{
"name": "@modelcontextprotocol/express",
"private": false,
"version": "2.0.0-alpha.3",
"version": "2.0.0-alpha.4",
"description": "Express adapters for the Model Context Protocol TypeScript server SDK - Express middleware",
"license": "MIT",
"author": "Anthropic, PBC (https://anthropic.com)",

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# @modelcontextprotocol/fastify
## 2.0.0-alpha.4
### Minor Changes
- [#2286](https://github.com/modelcontextprotocol/typescript-sdk/pull/2286) [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771) Thanks [@felixweinberger](https://github.com/felixweinberger)! - Add Origin header validation alongside the existing Host header validation. The server package gains framework-agnostic helpers (`validateOriginHeader`, `localhostAllowedOrigins`, `originValidationResponse`); the Express, Hono and Fastify adapters gain `originValidation` /
`localhostOriginValidation` middleware and a new `allowedOrigins` option on their app factories, which now arm Origin validation by default for localhost-class binds (mirroring the Host validation ladder; the 0.0.0.0-without-allowlist warning is unchanged). Requests
without an `Origin` header pass — non-browser MCP clients are unaffected — while a present `Origin` that is not allowed or cannot be parsed (including the opaque `null` origin) is rejected with `403`. The Node adapter ships `hostHeaderValidation` / `originValidation`
request guards for plain `node:http` servers, which previously had no validation helpers.
### Patch Changes
- Updated dependencies [[`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`801111e`](https://github.com/modelcontextprotocol/typescript-sdk/commit/801111ea152c1ba08f6dda0b27d712759aeb46bf), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`6cc7b1c`](https://github.com/modelcontextprotocol/typescript-sdk/commit/6cc7b1cb66cabf23423ba0fdf06e2d1c2fcf936f), [`f0bf785`](https://github.com/modelcontextprotocol/typescript-sdk/commit/f0bf785239af67f0cfce24575fec9c1193deaff1), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771)]:
- @modelcontextprotocol/server@2.0.0-alpha.4
## 2.0.0-alpha.3
### Patch Changes

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{
"name": "@modelcontextprotocol/fastify",
"private": false,
"version": "2.0.0-alpha.3",
"version": "2.0.0-alpha.4",
"description": "Fastify adapters for the Model Context Protocol TypeScript server SDK - Fastify middleware",
"license": "MIT",
"author": "Anthropic, PBC (https://anthropic.com)",

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# @modelcontextprotocol/hono
## 2.0.0-alpha.4
### Minor Changes
- [#2286](https://github.com/modelcontextprotocol/typescript-sdk/pull/2286) [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771) Thanks [@felixweinberger](https://github.com/felixweinberger)! - Add Origin header validation alongside the existing Host header validation. The server package gains framework-agnostic helpers (`validateOriginHeader`, `localhostAllowedOrigins`, `originValidationResponse`); the Express, Hono and Fastify adapters gain `originValidation` /
`localhostOriginValidation` middleware and a new `allowedOrigins` option on their app factories, which now arm Origin validation by default for localhost-class binds (mirroring the Host validation ladder; the 0.0.0.0-without-allowlist warning is unchanged). Requests
without an `Origin` header pass — non-browser MCP clients are unaffected — while a present `Origin` that is not allowed or cannot be parsed (including the opaque `null` origin) is rejected with `403`. The Node adapter ships `hostHeaderValidation` / `originValidation`
request guards for plain `node:http` servers, which previously had no validation helpers.
### Patch Changes
- Updated dependencies [[`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`801111e`](https://github.com/modelcontextprotocol/typescript-sdk/commit/801111ea152c1ba08f6dda0b27d712759aeb46bf), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`6cc7b1c`](https://github.com/modelcontextprotocol/typescript-sdk/commit/6cc7b1cb66cabf23423ba0fdf06e2d1c2fcf936f), [`f0bf785`](https://github.com/modelcontextprotocol/typescript-sdk/commit/f0bf785239af67f0cfce24575fec9c1193deaff1), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771)]:
- @modelcontextprotocol/server@2.0.0-alpha.4
## 2.0.0-alpha.3
### Patch Changes

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{
"name": "@modelcontextprotocol/hono",
"private": false,
"version": "2.0.0-alpha.3",
"version": "2.0.0-alpha.4",
"description": "Hono adapters for the Model Context Protocol TypeScript server SDK - Hono middleware",
"license": "MIT",
"author": "Anthropic, PBC (https://anthropic.com)",

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# @modelcontextprotocol/node
## 2.0.0-alpha.4
### Minor Changes
- [#2286](https://github.com/modelcontextprotocol/typescript-sdk/pull/2286) [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771) Thanks [@felixweinberger](https://github.com/felixweinberger)! - `createMcpHandler` now returns a web-standards-only `{ fetch, close, notify, bus }` handler — the shape Workers/Bun/Deno expect from `export default`. The duck-typed `.node(req, res, parsedBody?)` face is removed; Node frameworks (Express, Fastify, plain `node:http`) wrap the
handler once with the new `toNodeHandler(handler, { onerror? })` exported from `@modelcontextprotocol/node`, which converts the Node request to a web-standard `Request`, calls `handler.fetch`, and writes the `Response` back honoring write backpressure. The optional `onerror`
receives the adapter-level error fallback (request conversion / `handler.fetch` throw) before the `500` response is written, restoring observability parity with the removed `.node` face. `NodeIncomingMessageLike` and `NodeServerResponseLike` move from
`@modelcontextprotocol/server` to `@modelcontextprotocol/node`.
- [#2390](https://github.com/modelcontextprotocol/typescript-sdk/pull/2390) [`6cc7b1c`](https://github.com/modelcontextprotocol/typescript-sdk/commit/6cc7b1cb66cabf23423ba0fdf06e2d1c2fcf936f) Thanks [@felixweinberger](https://github.com/felixweinberger)! - Export `toWebRequest(req, parsedBody?, options?)` — the Node `IncomingMessage` → web-standard `Request` conversion `toNodeHandler` already performs internally. Use it to feed `isLegacyRequest()` (or `handler.fetch()`) from a hand-wired Node/Express `(req, res)` handler instead of assembling a `globalThis.Request` from `req.headers` by hand. When a body parser already consumed the Node stream (`express.json()`), pass the parsed value as `parsedBody`; pass `options.signal` to tie the constructed request to client disconnect, the way `toNodeHandler` does.
- [#2286](https://github.com/modelcontextprotocol/typescript-sdk/pull/2286) [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771) Thanks [@felixweinberger](https://github.com/felixweinberger)! - Add Origin header validation alongside the existing Host header validation. The server package gains framework-agnostic helpers (`validateOriginHeader`, `localhostAllowedOrigins`, `originValidationResponse`); the Express, Hono and Fastify adapters gain `originValidation` /
`localhostOriginValidation` middleware and a new `allowedOrigins` option on their app factories, which now arm Origin validation by default for localhost-class binds (mirroring the Host validation ladder; the 0.0.0.0-without-allowlist warning is unchanged). Requests
without an `Origin` header pass — non-browser MCP clients are unaffected — while a present `Origin` that is not allowed or cannot be parsed (including the opaque `null` origin) is rejected with `403`. The Node adapter ships `hostHeaderValidation` / `originValidation`
request guards for plain `node:http` servers, which previously had no validation helpers.
### Patch Changes
- [#2394](https://github.com/modelcontextprotocol/typescript-sdk/pull/2394) [`801111e`](https://github.com/modelcontextprotocol/typescript-sdk/commit/801111ea152c1ba08f6dda0b27d712759aeb46bf) Thanks [@felixweinberger](https://github.com/felixweinberger)! - Fix the published declaration files for consumers compiling with `skipLibCheck: false`: the bundled `.d.mts` no longer leaves a dangling `URIComponent` reference (ajv's published types import it from `fast-uri`, whose export-assigned namespace the dts bundler cannot link — the type is now inlined via a dts-only path mapping), and no longer imports `json-schema-typed` from an undeclared dependency (it is inlined via `dts.resolve`). `@modelcontextprotocol/node` and `@modelcontextprotocol/server` drop stale `typesVersions` entries pointing at subpaths that never shipped. Package READMEs note that TypeScript >=6.0 requires `"types": ["node"]` since the published declarations reference `Buffer`.
- [#2286](https://github.com/modelcontextprotocol/typescript-sdk/pull/2286) [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771) Thanks [@felixweinberger](https://github.com/felixweinberger)! - Forward `setSupportedProtocolVersions` from `NodeStreamableHTTPServerTransport` to the wrapped Web Standard transport. Previously a server's `supportedProtocolVersions` option never reached the Node adapter's `MCP-Protocol-Version` header validation, which silently kept
validating against the default version list.
- Updated dependencies [[`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`801111e`](https://github.com/modelcontextprotocol/typescript-sdk/commit/801111ea152c1ba08f6dda0b27d712759aeb46bf), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`6cc7b1c`](https://github.com/modelcontextprotocol/typescript-sdk/commit/6cc7b1cb66cabf23423ba0fdf06e2d1c2fcf936f), [`f0bf785`](https://github.com/modelcontextprotocol/typescript-sdk/commit/f0bf785239af67f0cfce24575fec9c1193deaff1), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771), [`1823aae`](https://github.com/modelcontextprotocol/typescript-sdk/commit/1823aae891837ebb5e3db885ec635f9efefd5771)]:
- @modelcontextprotocol/server@2.0.0-alpha.4
## 2.0.0-alpha.3
### Patch Changes

View file

@ -1,6 +1,6 @@
{
"name": "@modelcontextprotocol/node",
"version": "2.0.0-alpha.3",
"version": "2.0.0-alpha.4",
"description": "Model Context Protocol implementation for TypeScript - Node.js middleware",
"license": "MIT",
"author": "Anthropic, PBC (https://anthropic.com)",