About simframe
simframe is an MCP server published by lvlrSajjad in the Browser category: always-warm iOS Simulator frames: agents read the screen in ~20ms instead of screenshotting.
Recent commit activity is the strongest signal that reported issues will get attention.
Install
Claude Code
claude mcp add simframe -- npx -y simframenpx
npx -y simframeThis server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.
Tools (9)
sim_do**The main tool.** A whole flow in one call — tap, type, scroll, wait, assert — each step settling before the next and verified against what it did last time.
Parameters not published.
sim_findResolve an intent to one control, without acting on it.
Parameters not published.
sim_flow_runReplay a flow that verified end to end.
Parameters not published.
sim_gotoWalk to a screen simframe has been to before, planning the route through remembered transitions.
Parameters not published.
sim_look**The only tool that returns an image**, capped at 1024 px. For layout, colour, spacing — questions text cannot answer.
Parameters not published.
sim_stateThe cheapest question there is: has anything changed **since your last look**, and which regions moved.
Parameters not published.
sim_storage**What the app believes**, as opposed to what it drew: its `UserDefaults` and, for React Native, its `AsyncStorage`. Reads the data container off disk, so it answers on a device that is **not running**.
Parameters not published.
sim_ui**Start here.** The screen as a numbered text map: region, type, label, state, tap point, source. A tenth the cost of a screenshot and strictly more useful.
Parameters not published.
sim_waitWaits for the screen to change *and then* settle.
Parameters not published.
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Releases
v0.23.1v0.23.1 · 5 Oct 2026simframe 0.23.1 — on npm as `simframe@0.23.1` and in the official MCP Registry as `io.github.lvlrSajjad/simframe`. claude mcp add --scope user simframe -- npx -y simframe mcp Changes A keyboard key never competes with an app control of…
v0.23.0v0.23.0 · 5 Oct 2026simframe 0.23.0 — on npm as `simframe@0.23.0` and in the official MCP Registry as `io.github.lvlrSajjad/simframe`. claude mcp add --scope user simframe -- npx -y simframe mcp Changes Screen header: a small text change is not 'NOT MOVED…
v0.22.0v0.22.0 · 5 Oct 2026simframe 0.22.0 — on npm as `simframe@0.22.0` and in the official MCP Registry as `io.github.lvlrSajjad/simframe`. claude mcp add --scope user simframe -- npx -y simframe mcp Changes Drop the 60 fps capture target; name the callback that…
v0.21.0v0.21.0 · 5 Oct 2026simframe 0.21.0 — on npm as `simframe@0.21.0` and in the official MCP Registry as `io.github.lvlrSajjad/simframe`. claude mcp add --scope user simframe -- npx -y simframe mcp Changes A password typed into a field named "Password" was…
v0.20.1v0.20.1 · 5 Oct 2026simframe 0.20.1 — on npm as `simframe@0.20.1` and in the official MCP Registry as `io.github.lvlrSajjad/simframe`. claude mcp add --scope user simframe -- npx -y simframe mcp Changes CI went red on unchanged code because example.com…