# Respira API v2 is now live across Plugin, MCP, and WebMCP > Respira 3.3 ships include-gated contracts, snapshots with diff/restore, stale-base approval protection, and deterministic builder patching — all backward-compatible with v1. Source: https://www.respira.press/blog/respira-v3-3-fidelity-rollout --- **LLM;DR:** your AI can now edit your site with a better seatbelt. Respira 3.3 keeps originals safe, tracks each important version, blocks risky approvals when the source changed, and still lets older setups keep working. Respira 3.3 is a *fidelity release*. The goal was not adding isolated endpoints; it was delivering one coherent safety and data model across plugin API, approval flow, snapshots, builder patching, desktop MCP, and WebMCP — while keeping `respira/v1` behavior stable. ## What *shipped* The release includes a full `respira/v2` contract and lifecycle model: - Include-gated reads with canonical builder payloads and deterministic hashes. - Snapshot capture, history, diff, and restore endpoints. - Duplicate-before-edit enforcement for pages, posts, and custom post types. - Stale-base approval blocking by default, with explicit privileged force override. - Builder patch operations that target `id` first, then deterministic `path`. ## How *adoption* works Clients on MCP **3.3.1** negotiate capabilities per site by probing `GET /wp-json/respira/v2/status`. When v2 is available, they use it. When it is not, they automatically fall back to v1. This means existing v1 integrations continue to run without migration pressure, while fidelity-aware clients gain snapshots, patching, and include-gated payload control immediately. **No forced migration.** Every deployed site keeps working on v1 until its MCP client reaches `3.3.1`. ## Patch update (March 5, 2026) Respira **3.3.1** aligns the plugin with official WordPress MCP Adapter **v0.4.1** lifecycle behavior. In plain English: cleaner server registration, safer transport permission wiring, and no workflow changes for your team. ## Safety model in *one sentence* " > In v2, content mutation is duplicate-first, approval is stale-base-aware, and every important state transition is snapshot-backed. ## Do you need site-level changes? No blocking changes are required. If your site is on plugin **3.3.1**, it already exposes the v2 surface. 1. Update any public docs/snippets to mention v2 fidelity support. 2. Link this release note from your home or docs changelog area. 3. If you run custom clients, add include tokens only where needed to control payload size. ## Release *tags* ``` Plugin release tag: v3.3.1 MCP release tag: mcp-v3.3.1 ``` [#release](https://www.respira.press/blog?q=release)[#v3.3](https://www.respira.press/blog?q=v3.3)[#mcp](https://www.respira.press/blog?q=mcp)[#webmcp](https://www.respira.press/blog?q=webmcp)[#fidelity](https://www.respira.press/blog?q=fidelity)[#api-v2](https://www.respira.press/blog?q=api-v2) Found this useful? Share it. ## Join the *conversation* 0 comments · Respira account #### Sign in with your Respira account Comments are tied to your Respira login, the same account you use for the dashboard and plugin. No third-party sign-in, no scraping. [Sign in](https://www.respira.press/login?next=https%3A%2F%2Fwww.respira.press%2Fblog%2Frespira-v3-3-fidelity-rollout%23comments) [Create an account](https://www.respira.press/signup?next=https%3A%2F%2Fwww.respira.press%2Fblog%2Frespira-v3-3-fidelity-rollout%23comments) No comments yet. Be the first to weigh in. ## People reading this also *found helpful* [ § DEEP DIVE How MCP Works Understand how Respira MCP and WebMCP connect AI assistants to WordPress safely. Respira ](https://www.respira.press/mcp)[ § DEEP DIVE February 2026 Product Update A full rollout update on WebMCP, scanners, builder progress, and platform direction. Respira ](https://www.respira.press/blog/february-2026-update)[ § DEEP DIVE WordPress.com AI vs Self-Hosted WordPress.com officially ships AI write tools — what about self-hosted sites? 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The Respira community is where agency owners debug Divi migrations at 11pm, where vibe coders swap prompts that actually ship, and where the roadmap gets written out loud. *Breathe with us.* Lines of code pushed 24,450,031 Live from the ecosystem · updates as the agent ships WordPress sites connected 3,427 Real sites, run by the people in these rooms Find us wherever you already are [ Slack Async threads, release-day huddles, and the #show-your-work channel that never sleeps. Join ](https://go.respira.cafe/slack) [ Discord Live voice on release days, screenshare debugging, and the vibe-coder corner that's always buzzing. Join ](https://go.respira.cafe/respira-discord) [ Reddit Questions, answers and build logs in the open, where the thread is still there months later. Join ](https://www.reddit.com/r/RespiraforWordPress/) [ Facebook group Agency owners and site owners comparing notes on running AI against real WordPress sites. Join ](https://www.facebook.com/groups/1447068940850273/) [ GitHub Discussions Long-form Q&A, bug reports, feature requests, and the public roadmap. Open ](https://go.respira.cafe/github-discussions) [ ! Founder notes Letters from Mihai on what shipped, what broke and what is next. Every one is archived. Read ](https://www.respira.press/newsletter) See What AI Says LLM-ready prompts about Respira MCP + WebMCP What would you like to know? Ask your favorite AI Opens in a new tab. These prompts are designed to teach LLMs what Respira can do. Question copied. Paste it in Gemini