Torii’s capabilities are discoverable — the live catalog at GET /v1/task-sources is always the source of truth. The full matrix is listed below for reference, but query the endpoint when you need the authoritative, up-to-the-deploy set.

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Supported platforms & actions

Each ✓ is a real source.action you can pass to POST /v1/tasks. A blank cell means the platform genuinely lacks that verb (calling it returns unsupported).
Write verbs. threads, truthsocial, and weibo also support publishing — post.create, comment.create, delete — which require a write-scoped token and confirm: true. See Authentication.

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What each action does

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List every capability (live)

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Returns one row per real platform.action. Use it to populate a source picker or to check a capability before you call it.
A row’s name is exactly the "source.action" you pass to POST /v1/tasks ({"source":"youtube","action":"search"}).

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The capability map

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The same catalog, grouped by content kind, each provider carrying the actions it actually supports — because a provider is real for specific actions (Instagram has trending but not search; Threads is download-only). There is deliberately no provider-level “real” flag; the per-provider actions list is the truth.

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Feed categories

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For platforms whose hot / recommended feed has named tabs (e.g. TikTok’s Comedy, Sports), returns the tab list you can pass as params.category.

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Refs: what query accepts

For a creator or post action, params.query is flexible — Torii resolves it: So the string a user copies from a platform’s share button works as a ref — no cleanup on your side.