[pull] main from googleapis:main#133
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pull[bot] merged 3 commits intoCrazyForks:mainfrom Jan 15, 2026
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Add remaining CLI flags for the server published on official mcp registry. ref: https://googleapis.github.io/genai-toolbox/reference/cli/ _note: mcp registry do not support shorthand flag (there are no options to defined an alternate name). The only way is to define them as separate named arguments but it may not work well since both would try to set the same underlying value._
Add new `v20251125` specs for MCP. https://modelcontextprotocol.io/specification/2025-11-25
Update error code from 400 to 403 according to MCP [updates](modelcontextprotocol/modelcontextprotocol#1439) for invalid origin header. Also updated hostCheck to only check host, not port. To test, run Toolbox with the following (also work with port number e.g. `--allowed-host=127.0.0.1:5000`): ``` go run . --allowed-hosts=127.0.0.1 ``` Test with the following: ``` // curl successfully curl -H "Host: 127.0.0.1:5000" http://127.0.0.1:5000 // curl successfully curl -H "Host: 127.0.0.1:3000" http://127.0.0.1:5000 // will show Invalid Host Header error curl -H "Host: attacker:5000" http://127.0.0.1:5000 ```
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