Source: https://toddschiller.com/tag/webextensions.html # Posts tagged *#WebExtensions* [![Atom feed for posts tagged WebExtensions](https://toddschiller.com/theme/images/feed-icon.svg)](https://toddschiller.com/feeds/tag/webextensions.atom.xml "Atom feed for #WebExtensions") 7 posts tagged `#WebExtensions`. [Todd Schiller](https://toddschiller.com/pages/about.html) - Note This Week in Extensibility: Atlassian's agent server reaches general availability, CopilotKit pipes MCP tools into AG-UI apps, and Apple widens the in-app actions its assistant can drive Sep 11, 2026 Week of September 5–11, 2026: Atlassian's Rovo agent server reaches general availability across its suite, CopilotKit ships a first adapter that pipes an MCP server's tools into AG-UI apps, and... [Read more: This Week in Extensibility: Atlassian's agent server reaches general availability, CopilotKit pipes MCP tools into AG-UI apps, and Apple widens the in-app actions its assistant can drive](https://toddschiller.com/blog/extensibility-radar-2026-09-11.html "Permalink to This Week in Extensibility: Atlassian's agent server reaches general availability, CopilotKit pipes MCP tools into AG-UI apps, and Apple widens the in-app actions its assistant can drive") - Note This Week in Extensibility: portable skills for MCP, a confirm-before-acting flag for web agents, and rules for which sites can message a browser extension Sep 04, 2026 Week of August 29 – September 4, 2026: the Model Context Protocol accepts a format for packaging reusable agent skills that move between apps, WebMCP adds a way for sites to flag consequential... [Read more: This Week in Extensibility: portable skills for MCP, a confirm-before-acting flag for web agents, and rules for which sites can message a browser extension](https://toddschiller.com/blog/extensibility-radar-2026-09-04.html "Permalink to This Week in Extensibility: portable skills for MCP, a confirm-before-acting flag for web agents, and rules for which sites can message a browser extension") - Note This Week in Extensibility: MCP ships its stateless spec with sandboxed app UIs, WebMCP starts tracking cross-engine support, WebExtensions weighs OAuth for MCP servers Jul 31, 2026 Week of July 24–31, 2026: MCP ships its 2026-07-28 specification with a stateless core and first-class extensions for sandboxed app UIs and async tasks, WebMCP stands up a cross-engine... [Read more: This Week in Extensibility: MCP ships its stateless spec with sandboxed app UIs, WebMCP starts tracking cross-engine support, WebExtensions weighs OAuth for MCP servers](https://toddschiller.com/blog/extensibility-radar-2026-07-31.html "Permalink to This Week in Extensibility: MCP ships its stateless spec with sandboxed app UIs, WebMCP starts tracking cross-engine support, WebExtensions weighs OAuth for MCP servers") - Note This Week in Extensibility: Wasmtime enables GC and exceptions by default, WebMCP specs in-page agent APIs, the WebExtensions group commits to shipping spec text Jul 24, 2026 Week of July 17–24, 2026: Wasmtime turns on WebAssembly GC and exceptions by default, WebMCP specifies how a user's in-page agent discovers and invokes a site's tools, and the W3C WebExtensions... [Read more: This Week in Extensibility: Wasmtime enables GC and exceptions by default, WebMCP specs in-page agent APIs, the WebExtensions group commits to shipping spec text](https://toddschiller.com/blog/extensibility-radar-2026-07-24.html "Permalink to This Week in Extensibility: Wasmtime enables GC and exceptions by default, WebMCP specs in-page agent APIs, the WebExtensions group commits to shipping spec text") - Note This Week in Extensibility: the Chrome Web Store bans two extension categories, Mozilla proposes a permission model for AI agents, Cloudflare runs customer code before signup Jul 17, 2026 Week of July 10–17, 2026: the Chrome Web Store bans prediction-market and AI-guardrail-circumvention extensions and narrows what any extension may collect, Mozilla proposes a browser-mediated... [Read more: This Week in Extensibility: the Chrome Web Store bans two extension categories, Mozilla proposes a permission model for AI agents, Cloudflare runs customer code before signup](https://toddschiller.com/blog/extensibility-radar-2026-07-17.html "Permalink to This Week in Extensibility: the Chrome Web Store bans two extension categories, Mozilla proposes a permission model for AI agents, Cloudflare runs customer code before signup") - Note This Week in Extensibility: MCP trims to a stateless core, extensions weigh softer permission prompts, ChatGPT adds plugin governance Jul 03, 2026 Week of June 26 – July 3, 2026: MCP ships beta SDKs for a leaner stateless spec, the WebExtensions group takes up softer permission prompts, and ChatGPT Business adds a plugin control plane for admins. [Read more: This Week in Extensibility: MCP trims to a stateless core, extensions weigh softer permission prompts, ChatGPT adds plugin governance](https://toddschiller.com/blog/extensibility-radar-2026-07-03.html "Permalink to This Week in Extensibility: MCP trims to a stateless core, extensions weigh softer permission prompts, ChatGPT adds plugin governance") - Note This Week in Extensibility: hyperscale sandboxes, extensions get a standards track, and prompt-to-plugin Jun 26, 2026 Week of June 19–26, 2026: AWS makes per-user code isolation a managed product, the WebExtensions API gets a chartered W3C Working Group, and Figma turns plugin authoring into a writing task. [Read more: This Week in Extensibility: hyperscale sandboxes, extensions get a standards track, and prompt-to-plugin](https://toddschiller.com/blog/extensibility-radar-2026-06-26.html "Permalink to This Week in Extensibility: hyperscale sandboxes, extensions get a standards track, and prompt-to-plugin") ## Related tags - [`#extensibility`](https://toddschiller.com/tag/extensibility.html) (7) - [`#plugins`](https://toddschiller.com/tag/plugins.html) (7) - [`#sandboxes`](https://toddschiller.com/tag/sandboxes.html) (7) - [`#web standards`](https://toddschiller.com/tag/web-standards.html) (7) - [`#WebMCP`](https://toddschiller.com/tag/webmcp.html) (5) - [`#MCP`](https://toddschiller.com/tag/mcp.html) (4) - [`#Apple`](https://toddschiller.com/tag/apple.html) (2) - [`#Atlassian`](https://toddschiller.com/tag/atlassian.html) (1) - [`#n8n`](https://toddschiller.com/tag/n8n.html) (1) - [`#WebAssembly`](https://toddschiller.com/tag/webassembly.html) (1) - [`#HubSpot`](https://toddschiller.com/tag/hubspot.html) (1) - [`#Chrome`](https://toddschiller.com/tag/chrome.html) (1) - [`#Cloudflare`](https://toddschiller.com/tag/cloudflare.html) (1) - [`#OpenAI`](https://toddschiller.com/tag/openai.html) (1) - [`#AWS`](https://toddschiller.com/tag/aws.html) (1) - [`#Figma`](https://toddschiller.com/tag/figma.html) (1)