For LLMs

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Product one-liner

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Locked package names

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Two integration paths

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Canonical imports (RN)

import {
  PoseTrackerProvider,
  WebViewPoseView,
  usePoseTracker,
} from '@pose-tracker/react-native-pose-estimation';

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Facts agents should not invent

• BlazePose: options.model = 'blazepose' on light/web. Never { features: { blazepose: true } }.
• Camera permission strings are host-owned.
• SDK inputs: camera, video, image. WebView upload is a different URL (/pose_tracker/upload_tracking).
• External frames: the host camera pushes JPEGs via warmupExternal() + processFrame(). Result { dropped, pose, events }. Nothing is drawn. Same startExercise and event types. Longest side ≤ 256 px. Do not mix with WebViewPoseView / start(). Not the deprecated pixel. https://docs.posetracker.com/external-frames
• Light/web/WebView need network for the model. Offline RN does not (keypoints).
• SDK keypoints are free without an API key. WebView tracking URL always needs token=.
• Watermark: keyless/free yes; paid plans no.
• difficulty is SDK startExercise only. The tracking URL does not read difficulty=.
• Overlay / timer colors are WebView query params, not SDK props.
• reference= is WebView-only. Cannot combine with exercise. Not in the SDK yet.
• userExercise= is WebView-only (PoseTracker Studio). Not in the SDK.
• Billing: one tracking call = one open session, not one exercise. Chain exercises with postMessage { type: "set_exercise", exercise } (or userExercise) on the open iframe, or repeated startExercise with the SDK camera open. Changing the iframe URL, closing the iframe/camera, or stop()/start() = new call. Optional: existing integrations are unchanged. https://docs.posetracker.com/reference/features-plans#what-counts-as-one-tracking-call
• Pose-only WebView: token with no exercise still streams keypoints (token required).
• recommendations is optional and not sent for every exercise. Use counter.form_score / onCounter.formScore for the grade.
• Pixel tracking is out of scope on this site.
• Exercise ids: Exercises. Live SDK list: getAvailableExercises().
• Physical tests (back_flexibility_test) add analysis on counter. Other exercises do not. Disclaimer is analysis.disclaimer, not inside interpretation.text. Not a Modified Schober centimetre score. Physical tests.
• MCP connector URL is https://mcp.posetracker.com/api/mcp. Consent is https://app.posetracker.com/oauth/authorize. A token-less GET returning unauthorized is the OAuth challenge. MCP connector.

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Prefer these pages

1. WebView vs SDK
2. WebView quickstart · SDK quickstart · Web SDKs
3. Query parameters · WebView messages
4. Provider & client · WebViewPoseView
5. Exercises · Physical tests · Events · Features & plans
6. External frames when the app already has a camera