# mcp-handler v2.1.1

- Product: mcp-handler (https://whatsnew.fyi/product/mcp-handler)
- Vendor: Vercel
- Date: 2026-08-13
- Version: v2.1.1
- Original notes: https://github.com/vercel/mcp-handler/releases/tag/v2.1.1
- Permalink: https://whatsnew.fyi/product/mcp-handler/releases/v2.1.1

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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- **changed** — Forward maxSubscriptions to the MCP SDK handler so applications can bound or disable subscription streams

###### Patch Changes

- e38a932: Forward `maxSubscriptions` to the MCP SDK handler so applications can bound or disable subscription streams.