# Vercel Latest MCP spec now supported in mcp-handler

- Product: Vercel (https://whatsnew.fyi/product/vercel)
- Vendor: Vercel
- Date: 2026-07-30
- Original notes: https://vercel.com/changelog/latest-mcp-spec-now-supported-in-mcp-handler
- Permalink: https://whatsnew.fyi/product/vercel/releases/2026-07-30-latest-mcp-spec-now-supported-in-mcp-handler

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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mcp-handler@2.0.0 is now available with support for the 2026-07-28 Model Context Protocol specification and MCP TypeScript SDK v2 . We originally built mcp-handler to make it easier to spin up MCP ser…

- **changed** — Add support for the 2026-07-28 Model Context Protocol specification
- **changed** — Add support for MCP TypeScript SDK v2