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Add session WebMCP tools and invocation handles - #128
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AHarmlessPyro
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Oct 10, 2026
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Summary
Changes
Validation
yarn lintyarn buildNote
Medium Risk
New session surface that can invoke arbitrary page tools with consequential semantics; retry/timeout behavior differs between GET polling and POST invoke/start/cancel.
Overview
Adds WebMCP support so sessions can discover and run page-provided tools after opt-in with
enableWebMcponsessions.create.SessionsServicenow exposessessions.webmcpwithlistTools, blockinginvoke, asyncstart/getResult/cancel, plus exported types under@hyperbrowser/sdk/types.The client validates
toolRef, JSONinput, and time budgets locally, scales HTTP timeouts fromtimeoutSeconds/waitSeconds, and documents non-retry semantics for mutating calls (lost responses can mean unknown outcomes). README documents usage, limits, and polling; version bumps to 1.2.0.Reviewed by Cursor Bugbot for commit ac6cef1. Bugbot is set up for automated code reviews on this repo. Configure here.