WebML CG Teleconference – 3 September 2026 - 15:00-16:00 UTC

Latest version: https://github.com/webmachinelearning/meetings/blob/main/telcons/2026-09-03-wg-agenda.md


WebML CG Teleconference – 3 September 2026 - 15:00-16:00 UTC
<https://github.com/webmachinelearning/meetings/blob/main/telcons/2026-09-03-wg-agenda.md#webml-cg-teleconference--3-september-2026---1500-1600-utc>
See the timezone table ...
San Francisco   Wed, 3 September 2026   08:00
Boston  Wed, 3 September 2026   11:00
London  Wed, 3 September 2026   16:00
Berlin  Wed, 3 September 2026   17:00
Helsinki        Wed, 3 September 2026   18:00
Shanghai        Wed, 3 September 2026   23:00
Tokyo   Thu, 4 September 2026   00:00
UTC     Wed, 3 September 2026   15:00 UTC

Other locations: https://www.timeanddate.com/worldclock/fixedtime.html?iso=20260903T15


Logistics
<https://github.com/webmachinelearning/meetings/blob/main/telcons/2026-09-03-wg-agenda.md#logistics>

  *   Chair: Anssi
  *   Scribe: Anssi
  *   IRC: irc://irc.w3.org:6667/#webmachinelearning

  *   IRC web client: https://irc.w3.org/?channels=#webmachinelearning

  *   Zoom joining instructions: internal-webmachinelearning<https://lists.w3.org/Archives/Member/internal-webmachinelearning/2023Jun/0000.html>
  *   Minutes: https://www.w3.org/2026/09/03-webmachinelearning-minutes.html


Announcements
<https://github.com/webmachinelearning/meetings/blob/main/telcons/2026-09-03-wg-agenda.md#announcements>
Awesome Built-in AI APIs
<https://github.com/webmachinelearning/meetings/blob/main/telcons/2026-09-03-wg-agenda.md#awesome-built-in-ai-apis>

A curated directory of awesome things for built-in AI APIs.

  *   ☆ https://github.com/webmachinelearning/awesome-built-in-ai


WebMCP ecosystem growth update
<https://github.com/webmachinelearning/meetings/blob/main/telcons/2026-09-03-wg-agenda.md#webmcp-ecosystem-growth-update>

New implementation experience and developer challenge.

  *   ≡ https://github.com/webmachinelearning/webmcp/blob/main/implementation-status.md
  *   ≡ https://openai.com/webmcp-challenge/


WebMCP polyfill
<https://github.com/webmachinelearning/meetings/blob/main/telcons/2026-09-03-wg-agenda.md#webmcp-polyfill>

A kick-off for the official WebMCP polyfill.

  *   ⨀ webmachinelearning/webmcp#252<https://github.com/webmachinelearning/webmcp/issues/252>

Translator and Language Detector APIs
<https://github.com/webmachinelearning/meetings/blob/main/telcons/2026-09-03-wg-agenda.md#translator-and-language-detector-apis>

Tip

Spec<https://webmachinelearning.github.io/translation-api/> | Explainer<https://github.com/webmachinelearning/translation-api/> | Issues<https://github.com/webmachinelearning/translation-api/issues> | PRs<https://github.com/webmachinelearning/translation-api/pulls>

Batched translation
<https://github.com/webmachinelearning/meetings/blob/main/telcons/2026-09-03-wg-agenda.md#batched-translation>

Discuss the proposal.

  *   ⨀ webmachinelearning/translation-api#85<https://github.com/webmachinelearning/translation-api/issues/85>

Prompt API
<https://github.com/webmachinelearning/meetings/blob/main/telcons/2026-09-03-wg-agenda.md#prompt-api>

Tip

Spec<https://webmachinelearning.github.io/prompt-api/> | Explainer<https://github.com/webmachinelearning/prompt-api/> | Issues<https://github.com/webmachinelearning/prompt-api/issues> | PRs<https://github.com/webmachinelearning/prompt-api/pulls>

Extended thinking, tool calling, multi-turn execution
<https://github.com/webmachinelearning/meetings/blob/main/telcons/2026-09-03-wg-agenda.md#extended-thinking-tool-calling-multi-turn-execution>

Discuss this subset of features on which the plans align, next steps for the spec.

  *   ⨀ webmachinelearning/prompt-api#209 (comment)<https://github.com/webmachinelearning/prompt-api/issues/209#issuecomment-5432415131>

WebMCP
<https://github.com/webmachinelearning/meetings/blob/main/telcons/2026-09-03-wg-agenda.md#webmcp>

Tip

Spec<https://webmachinelearning.github.io/webmcp/> | Explainer<https://github.com/webmachinelearning/webmcp/blob/main/README.md> | Issues<https://github.com/webmachinelearning/webmcp/issues> | PRs<https://github.com/webmachinelearning/webmcp/pulls> | Awesome WebMCP<https://github.com/webmachinelearning/awesome-webmcp>

Wide review
<https://github.com/webmachinelearning/meetings/blob/main/telcons/2026-09-03-wg-agenda.md#wide-review>

Discuss actionable feedback from the ongoing TAG, Privacy and Security reviews.

Review staged a11y and i18n review checklists.

  *   Security: ≡ https://simoneonofri.github.io/threat-model-webmcp/

  *   a11y: ⨀ webmachinelearning/webmcp#272<https://github.com/webmachinelearning/webmcp/issues/272>
  *   i18n: ⨀ webmachinelearning/webmcp#273<https://github.com/webmachinelearning/webmcp/issues/273>

Execution progress report
<https://github.com/webmachinelearning/meetings/blob/main/telcons/2026-09-03-wg-agenda.md#execution-progress-report>

Review the proposal to expose progress of tool execution.

  *   ⨀ webmachinelearning/webmcp#196<https://github.com/webmachinelearning/webmcp/issues/196>

Tool discovery
<https://github.com/webmachinelearning/meetings/blob/main/telcons/2026-09-03-wg-agenda.md#tool-discovery>

Discuss the use cases and security properties.

  *   ⨀ webmachinelearning/webmcp#227<https://github.com/webmachinelearning/webmcp/issues/227>

Tool collections
<https://github.com/webmachinelearning/meetings/blob/main/telcons/2026-09-03-wg-agenda.md#tool-collections>

Discuss the proposal and its alternatives.

  *   ⨀ webmachinelearning/webmcp#255<https://github.com/webmachinelearning/webmcp/issues/255>