Source: https://toddschiller.com/category/extensibility2.html # Category: *Extensibility* [![Atom feed for the Extensibility category](https://toddschiller.com/theme/images/feed-icon.svg)](https://toddschiller.com/feeds/extensibility.atom.xml "Atom feed for the Extensibility category") 17 posts in the *Extensibility* category. [Todd Schiller](https://toddschiller.com/pages/about.html) - Note This Week in Extensibility: six vendors standardize agent-plugin bundles, Mozilla stays neutral on WebMCP, Atlassian opens Rovo to Forge apps Aug 07, 2026 Week of July 31 – August 7, 2026: six agent vendors publish a shared plugin-packaging standard, Mozilla files a neutral position on WebMCP that leaves the browser engines split, and Atlassian... [Read more: This Week in Extensibility: six vendors standardize agent-plugin bundles, Mozilla stays neutral on WebMCP, Atlassian opens Rovo to Forge apps](https://toddschiller.com/blog/extensibility-radar-2026-08-07.html "Permalink to This Week in Extensibility: six vendors standardize agent-plugin bundles, Mozilla stays neutral on WebMCP, Atlassian opens Rovo to Forge apps") - 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's spec locks down its auth and skills, WebMCP gets conformance tests, WebAssembly components bind to real-world interfaces Jul 10, 2026 Week of July 3–10, 2026: MCP's next spec locks down its client-auth and skill-distribution pieces before a July 28 launch, WebMCP gains a cross-vendor conformance suite, the WebAssembly Component... [Read more: This Week in Extensibility: MCP's spec locks down its auth and skills, WebMCP gets conformance tests, WebAssembly components bind to real-world interfaces](https://toddschiller.com/blog/extensibility-radar-2026-07-10.html "Permalink to This Week in Extensibility: MCP's spec locks down its auth and skills, WebMCP gets conformance tests, WebAssembly components bind to real-world interfaces") - 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") - [Newer](https://toddschiller.com/category/extensibility.html) - [1](https://toddschiller.com/category/extensibility.html) - [2](https://toddschiller.com/category/extensibility2.html) - [Older](https://toddschiller.com/category/extensibility2.html#)