The official source reports this update: @modelcontextprotocol/hono@2.0.1. Patch Changes #2698 7b781ed Thanks @maxisbey ! - Read Streamable HTTP request bodies with a size limit. Every SDK-owned body read — WebStandardStreamableHTTPServerTransport (and the Node transport built on it), createMcpHandler , toNodeHandler , and createMcpHonoApp 's JSON pre-parse — now stops at 4 MiB by default (the limit the legacy SSE transport already uses; the Express adapter and stdio bound their reads too) and answers 413 Payload Too Large before anything is parsed.
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Hono 2.0.1 limits HTTP request bodies to 4 MiB by default.
Hono 2.0.1 now limits HTTP request bodies to 4 MiB by default, returning 413 errors for larger payloads. JSON-RPC batch arrays are capped at 100 messages.
23 Sept 20261 verified claims1 sources1 observations
This official update documents a development concerning @modelcontextprotocol/hono@2.0.1. Its practical significance depends on the scope and evidence stated by the source.
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