Configuration
Compatibility dates
The Zuplo MCP Gateway requires compatibilityDate >= 2026-03-01 in
zuplo.jsonc.
Code
The build fails if your project uses any MCP Gateway feature (the
McpProxyHandler handler or an mcp-*-inbound policy) with a compatibility
date older than 2026-03-01. Bump the date in zuplo.jsonc before adding those
features.
New Zuplo projects default to a recent compatibility date, so this only applies to existing projects being upgraded to use the MCP Gateway.
For background on Zuplo's compatibility-date system in general, see Compatibility dates.
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