markusleben
Registry indexed
media
Use when controlling or browsing Home Assistant media players — play, pause, volume, source/sound mode, speaker grouping, browsing media libraries, and TTS announcements — through HA NOVA Relay.
Registry indexed
Use when controlling or browsing Home Assistant media players — play, pause, volume, source/sound mode, speaker grouping, browsing media libraries, and TTS announcements — through HA NOVA Relay.
Use when controlling or browsing Home Assistant media players — play, pause, volume, source/sound mode, speaker grouping, browsing media libraries, and TTS announcements — through HA NOVA Relay.
Source documentation, not instructions for this website. Review permissions before running any commands.
Media player control and discovery:
Not in scope: creating automations that use media players (ha-nova:write), camera streams (ha-nova:camera), generic service calls to other domains (ha-nova:service-call).
Read and follow ../ha-nova/session-bootstrap.md.
Verify relay CLI: ha-nova relay health
If this fails: ha-nova setup
ha-nova relay ws --data-file <payload-file> for WS commands (browse, search)ha-nova relay core --method POST --path /api/services/<domain>/<service> --body-file <payload-file> for service callsha-nova relay core --method GET --path /api/states/<entity_id> to read a player's state and attributes--out <result-file> for large browse responses; --jq-file <filter-file> for non-trivial filtersA media player's attributes.supported_features bitmask decides what it can do — never assume. Read the entity state first and check the bit before offering an action:
| Bit | Feature |
|---|---|
| 1 | pause |
| 2 | seek |
| 4 | volume set |
| 8 | volume mute |
| 16 | previous track |
| 32 | next track |
| 128 | turn on |
| 256 | turn off |
| 512 | play media |
| 1024 | volume step |
| 2048 | select source |
| 4096 | stop |
| 8192 | clear playlist |
| 16384 | play |
| 32768 | shuffle set |
| 65536 | select sound mode |
| 131072 | browse media |
| 262144 | repeat set |
| 524288 | grouping |
| 1048576 | announce |
| 2097152 | enqueue |
| 4194304 | search media |
If a requested feature bit is absent, say so plainly instead of calling the service and reporting a silent no-op.
media_player.<id> from the user: use it directly.{"type":"config/entity_registry/list_for_display"}, filter ei starting with media_player., and match on ei/en. For room phrasing, resolve the area and use search/related with item_type: "area"./api/states/<entity_id>) for state, supported_features, source_list, sound_mode_list, group_members, and current media attributes.media_player.media_play|media_pause|media_stop|media_next_track|media_previous_track|media_seek (seek_position in seconds; read media_duration/media_position from the state first) |volume_set (volume_level 0.0-1.0) |volume_mute|select_source|select_sound_mode|turn_on|turn_off.
media_player.volume_up / volume_down, gated by VOLUME_STEP (1024) — a player can support stepping without absolute volume_set (4). Prefer stepping for relative requests, and only fall back to volume_set (read the current volume_level, add a delta) when the player has 4 but not 1024.{"type":"media_player/browse_media","entity_id":"media_player.<id>"} for the player's own library; drill down by passing media_content_type AND media_content_id together (they are a pair — one without the other is rejected). For Home Assistant's media sources use WS media_source/browse_media, then WS media_source/resolve_media to turn a media-source://... id into a playable URL.
{"type":"media_player/search_media","entity_id":"media_player.<id>","search_query":"<text>"} (bit 4194304) searches the player's own library — is required, and / scope the search only when supplied together; WS with ( narrows it) searches Home Assistant's sources. Pass a for the source you mean: the media-source ROOT cannot search, so omitting it fails with even though the payload is valid. Only sources whose is true participate. Both return browse-shaped results you can hand straight to step 4. Neither is universal: when the bit is missing or a source cannot search, say so once and fall back to browsing rather than guessing a content id.Full relay/upstream error taxonomy: skills/ha-nova/relay-api.md -> Error Handling. Media specifics:
media_player/browse_media fails with a command error when the player does not support browsing — check bit 131072 first.media_content_type and media_content_id must be provided together; a lone id is rejected.media_player/search_media and media_source/search_media exist only on newer Home Assistant versions and only for some integrations or sources — feature-detect (bit 4194304, can_search), and degrade to browsing instead of guessing.Apply skills/ha-nova/output-rules.md to all user-facing output. Write previews, delete confirmations, and results render as the Cards defined there.
Render the Report shape (output-rules.md): what is playing where — player, state, current media, volume, source, and group members when relevant. Browse results render the List Frame (title + type), never the raw tree.
Preview before write: nothing is saved until the user confirms the shown preview.
Confirmation binds to the displayed preview and expires on any change to target, payload, endpoint, or scope (context skill → Active Preview Confirmation).
Pre-preview phrases ("do it", "go ahead", "implement the plan") authorize drafting and preview only — never the write itself.
Delete and destructive operations require the typed confirmation code confirm:<token> verbatim; "yes" or any natural-language reply is invalid.
Never guess entity, service, or config IDs — resolve them or ask.
Home Assistant is reached exclusively through ha-nova relay.
For any HA write this skill does not cover, STOP and invoke ha-nova:fallback first — never probe unfamiliar write endpoints.
Drafts follow skills/ha-nova/smallest-solution.md: the complete requested outcome in the simplest safe design, nothing for hypothetical future needs.
Volume: preview the target level; treat a large jump (or anything above ~0.8) as disruptive and confirm explicitly — a loud announcement at night is a real-world side effect.
Announcements interrupt whatever is playing; say so before sending one.
An announcement or TTS to a grouped player plays on every member — name the full member list in the preview, not just the target.
Grouping changes affect every listed speaker — preview the full member list.
supported_features before offering an action; never call a service the player cannot do.media_content_id values — they come from browse/resolve.name: media description: Use when controlling or browsing Home Assistant media players — play, pause, volume, source/sound mode, speaker grouping, browsing media libraries, and TTS announcements — through HA NOVA Relay. license: MIT compatibility: Requires the ha-nova CLI (run 'ha-nova setup' first) and the HA NOVA Relay in Home Assistant (App, or standalone container on Container/Core).
---
name: media
description: Use when controlling or browsing Home Assistant media players — play, pause, volume, source/sound mode, speaker grouping, browsing media libraries, and TTS announcements — through HA NOVA Relay.
license: MIT
compatibility: Requires the ha-nova CLI (run 'ha-nova setup' first) and the HA NOVA Relay in Home Assistant (App, or standalone container on Container/Core).
---
# HA NOVA Media
## Scope
Media player control and discovery:
- transport control (play, pause, stop, next, previous, seek), volume, mute, source and sound mode
- browsing media libraries and media sources, then playing a resolved item
- speaker grouping (join / unjoin)
- TTS announcements to a player
Not in scope: creating automations that use media players (`ha-nova:write`), camera streams (`ha-nova:camera`), generic service calls to other domains (`ha-nova:service-call`).
## Bootstrap (once per session)
Read and follow `../ha-nova/session-bootstrap.md`.
Verify relay CLI: `ha-nova relay health`
If this fails: `ha-nova setup`
## Relay Contract
- `ha-nova relay ws --data-file <payload-file>` for WS commands (browse, search)
- `ha-nova relay core --method POST --path /api/services/<domain>/<service> --body-file <payload-file>` for service calls
- `ha-nova relay core --method GET --path /api/states/<entity_id>` to read a player's state and attributes
- `--out <result-file>` for large browse responses; `--jq-file <filter-file>` for non-trivial filters
## Feature Gate (read before acting)
A media player's `attributes.supported_features` bitmask decides what it can do — never assume. Read the entity state first and check the bit before offering an action:
| Bit | Feature |
|-----|---------|
| 1 | pause |
| 2 | seek |
| 4 | volume set |
| 8 | volume mute |
| 16 | previous track |
| 32 | next track |
| 128 | turn on |
| 256 | turn off |
| 512 | play media |
| 1024 | volume step |
| 2048 | select source |
| 4096 | stop |
| 8192 | clear playlist |
| 16384 | play |
| 32768 | shuffle set |
| 65536 | select sound mode |
| 131072 | browse media |
| 262144 | repeat set |
| 524288 | grouping |
| 1048576 | announce |
| 2097152 | enqueue |
| 4194304 | search media |
If a requested feature bit is absent, say so plainly instead of calling the service and reporting a silent no-op.
## Flow
1. Resolve the player yourself — this skill owns its resolution (one skill per intent; never dispatch to another skill mid-task):
- exact `media_player.<id>` from the user: use it directly.
- name or room: WS `{"type":"config/entity_registry/list_for_display"}`, filter `ei` starting with `media_player.`, and match on `ei`/`en`. For room phrasing, resolve the area and use `search/related` with `item_type: "area"`.
- several matches: present the candidates (max 5) and ask once. Never guess.
Then read its state (`/api/states/<entity_id>`) for `state`, `supported_features`, `source_list`, `sound_mode_list`, `group_members`, and current media attributes.
2. Transport / volume / source: check the bit for the exact action first (play 16384, pause 1, **stop 4096**, next 32, previous 16, seek 2, volume set 4, **volume step 1024**, mute 8, source 2048, sound mode 65536, turn on 128 / off 256), preview the service + target, then call it: `media_player.media_play|media_pause|media_stop|media_next_track|media_previous_track|media_seek` (`seek_position` in seconds; read `media_duration`/`media_position` from the state first) `|volume_set` (`volume_level` 0.0-1.0) `|volume_mute|select_source|select_sound_mode|turn_on|turn_off`.
- **Relative volume** ("turn it up / down a bit"): that is `media_player.volume_up` / `volume_down`, gated by VOLUME_STEP (1024) — a player can support stepping without absolute `volume_set` (4). Prefer stepping for relative requests, and only fall back to `volume_set` (read the current `volume_level`, add a delta) when the player has 4 but not 1024.
3. Browse: WS `{"type":"media_player/browse_media","entity_id":"media_player.<id>"}` for the player's own library; drill down by passing `media_content_type` AND `media_content_id` together (they are a pair — one without the other is rejected). For Home Assistant's media sources use WS `media_source/browse_media`, then WS `media_source/resolve_media` to turn a `media-source://...` id into a playable URL.
- **Search before drilling** when the user names a title, artist, or album: WS `{"type":"media_player/search_media","entity_id":"media_player.<id>","search_query":"<text>"}` (bit 4194304) searches the player's own library — `entity_id` is required, and `media_content_type`/`media_content_id` scope the search only when supplied together; WS `media_source/search_media` with `search_query` (`media_filter_classes` narrows it) searches Home Assistant's sources. Pass a `media_content_id` for the source you mean: the media-source ROOT cannot search, so omitting it fails with `search_media_failed: Search is not supported for media with content ID` even though the payload is valid. Only sources whose `can_search` is true participate. Both return browse-shaped results you can hand straight to step 4. Neither is universal: when the bit is missing or a source cannot search, say so once and fall back to browsing rather than guessing a content id.
4. Play a resolved item: `media_player.play_media` with `media_content_id` + `media_content_type` from the browse/resolve step. Never invent a content id.
- Queue placement uses the same service: `enqueue: add | next | play | replace` (bit 2097152). "Play this next" is `next`, "add to the queue" is `add`; without the bit the player only replaces what is playing — say that instead of silently replacing.
- **`add` and `next` have no success signal.** They deliberately do not change `state` or `media_title` — that is what queueing means — and Home Assistant exposes no standard queue attribute to read back. Step 7's re-read therefore proves nothing here: report the call as accepted, name what would have changed if it had played instead, and do not present unchanged state as a discrepancy.
- Playback modes are separate services: `media_player.shuffle_set` (`shuffle` boolean, bit 32768) and `media_player.repeat_set` (`repeat: off | all | one`, bit 262144 — not the grouping bit). "Repeat this song" is `one`, "repeat the album" is `all`. Verify these from their OWN attributes — `shuffle` and `repeat` in the state — not from the fields step 7 names: a mode change leaves `state`, `volume_level`, `source` and `media_title` untouched, so the generic re-read would report success without having checked anything.
5. Grouping (bit 524288 — NOT 262144, which is repeat): `media_player.join` with `group_members: [<entity_ids>]` on the master; `media_player.unjoin` to remove a player. Read `group_members` back to verify. Speaker-group membership resolves per the shared contract `skills/ha-nova/membership-resolution.md` — `group_members` is authoritative, re-read immediately before execution.
6. TTS announcement: `tts.speak` with `entity_id` of a TTS entity, `media_player_entity_id` of the target, and `message`. Discover engines with WS `{"type":"tts/engine/list"}`. For a legacy setup without TTS entities, fall back to the integration's own `tts.*_say` service and say which one you used.
7. Verify by re-reading the player's state (`state`, `volume_level`, `source`, `media_title`) — never report success from the service response alone. Streaming players may show `buffering` or a briefly unchanged state; wait a few seconds and re-read once before reporting a discrepancy.
## Error Handling
Full relay/upstream error taxonomy: `skills/ha-nova/relay-api.md` -> Error Handling. Media specifics:
- WS `media_player/browse_media` fails with a command error when the player does not support browsing — check bit 131072 first.
- `media_content_type` and `media_content_id` must be provided together; a lone id is rejected.
- A service call can succeed while the player ignores it (offline speaker, wrong source): always verify by re-reading state.
- `media_player/search_media` and `media_source/search_media` exist only on newer Home Assistant versions and only for some integrations or sources — feature-detect (bit 4194304, `can_search`), and degrade to browsing instead of guessing.
## Output Format
Apply `skills/ha-nova/output-rules.md` to all user-facing output. Write previews, delete confirmations, and results render as the Cards defined there.
Render the Report shape (output-rules.md): what is playing where — player, state, current media, volume, source, and group members when relevant. Browse results render the List Frame (title + type), never the raw tree.
## Safety
- Preview before write: nothing is saved until the user confirms the shown preview.
- Confirmation binds to the displayed preview and expires on any change to target, payload, endpoint, or scope (context skill → Active Preview Confirmation).
- Pre-preview phrases ("do it", "go ahead", "implement the plan") authorize drafting and preview only — never the write itself.
- Delete and destructive operations require the typed confirmation code `confirm:<token>` verbatim; "yes" or any natural-language reply is invalid.
- Never guess entity, service, or config IDs — resolve them or ask.
- Home Assistant is reached exclusively through `ha-nova relay`.
- For any HA write this skill does not cover, STOP and invoke `ha-nova:fallback` first — never probe unfamiliar write endpoints.
- Drafts follow `skills/ha-nova/smallest-solution.md`: the complete requested outcome in the simplest safe design, nothing for hypothetical future needs.
- Volume: preview the target level; treat a large jump (or anything above ~0.8) as disruptive and confirm explicitly — a loud announcement at night is a real-world side effect.
- Announcements interrupt whatever is playing; say so before sending one.
- An announcement or TTS to a grouped player plays on every member — name the full member list in the preview, not just the target.
- Grouping changes affect every listed speaker — preview the full member list.
## Guardrails
- Read `supported_features` before offering an action; never call a service the player cannot do.
- One player (or one explicit group) per operation.
- Never invent `media_content_id` values — they come from browse/resolve.
- Browse responses return ALL children of a node — there is no paging parameter. Bound the OUTPUT, not the request: show at most ~20 children per level, say how many more exist, and ask the user to narrow (drill into a folder, name a title) instead of listing on.
Skill source recorded
Skill instructions are recorded. This is not a runtime test, safety guarantee or compatibility certification.
Review before install: Avoid automatic install
License: MIT
Listed tools are metadata hints, not tested compatibility. Agent prompts are suggested handoffs.
Repository metadata and review signals are advisory. Popularity, source discovery and successful execution are different facts.
Version reported in registry metadata; check source releases before relying on it.
Quality
55/100
Promising
Trust
56/100
This page exposes the same decision, trust, audit, use-case, and install signals through the Registry API, so agents can rank this skill without scraping the UI.
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"expected_agent_output": {
"selected_skill": "markusleben-media (media)",
"install_command": "npx skills add markusleben/ha-nova --skill media",
"risk_summary": "Needs review; Blocked for auto-install; Review before production",
"verification_result": "Report the smallest successful task, files touched, warnings, and any missing setup."
}
},
"outcome_feedback": {
"endpoint": "https://www.openagentskill.com/api/agent/outcome",
"method": "POST",
"requires_resolve_event_id": true,
"event_id_source": "Use install_receipt.outcome_feedback.event_id or feedback.event_id returned by /api/agent/resolve for the current task.",
"expected_outcomes": [
"success",
"failed",
"not_relevant",
"blocked_by_risk",
"setup_required"
],
"payload_template": {
"event_id": "<install_receipt.outcome_feedback.event_id or feedback.event_id from /api/agent/resolve>",
"skill_slug": "markusleben-media",
"task": "Use media in an agent workflow",
"agent": "codex",
"outcome": "success",
"install_used": true,
"risk_blocked": false,
"setup_required": false,
"task_success": true,
"output_quality": 4,
"error_type": null,
"human_review_required": false,
"workspace": "sandbox",
"time_to_useful_ms": 120000,
"notes": "Report the smallest successful task, setup friction, files touched, and risk notes."
}
},
"endpoints": {
"web": "https://www.openagentskill.com/skills/markusleben-media",
"api": "https://www.openagentskill.com/api/agent/skills/markusleben-media",
"audit": "https://www.openagentskill.com/skills/markusleben-media/audit",
"eval": "https://www.openagentskill.com/api/agent/evals?slug=markusleben-media&task=Use%20media%20in%20an%20agent%20workflow&max_risk=medium",
"resolve": "https://www.openagentskill.com/api/agent/resolve?task=Use%20media%20in%20an%20agent%20workflow&agent=codex&max_risk=medium",
"receipt": "https://www.openagentskill.com/api/agent/receipt?task=Use%20media%20in%20an%20agent%20workflow&agent=codex&max_risk=medium&format=text",
"install": "https://www.openagentskill.com/api/skills/markusleben-media/install",
"manifest": "https://www.openagentskill.com/api/registry/manifest/markusleben-media"
}
}Listing source
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entity_idmedia_content_typemedia_content_idmedia_source/search_mediasearch_querymedia_filter_classesmedia_content_idsearch_media_failed: Search is not supported for media with content IDcan_searchmedia_player.play_media with media_content_id + media_content_type from the browse/resolve step. Never invent a content id.
enqueue: add | next | play | replace (bit 2097152). "Play this next" is next, "add to the queue" is add; without the bit the player only replaces what is playing — say that instead of silently replacing.
add and next have no success signal. They deliberately do not change state or media_title — that is what queueing means — and Home Assistant exposes no standard queue attribute to read back. Step 7's re-read therefore proves nothing here: report the call as accepted, name what would have changed if it had played instead, and do not present unchanged state as a discrepancy.media_player.shuffle_set (shuffle boolean, bit 32768) and media_player.repeat_set (repeat: off | all | one, bit 262144 — not the grouping bit). "Repeat this song" is one, "repeat the album" is all. Verify these from their OWN attributes — shuffle and repeat in the state — not from the fields step 7 names: a mode change leaves state, volume_level, source and media_title untouched, so the generic re-read would report success without having checked anything.media_player.join with group_members: [<entity_ids>] on the master; media_player.unjoin to remove a player. Read group_members back to verify. Speaker-group membership resolves per the shared contract skills/ha-nova/membership-resolution.md — group_members is authoritative, re-read immediately before execution.tts.speak with entity_id of a TTS entity, media_player_entity_id of the target, and message. Discover engines with WS {"type":"tts/engine/list"}. For a legacy setup without TTS entities, fall back to the integration's own tts.*_say service and say which one you used.state, volume_level, source, media_title) — never report success from the service response alone. Streaming players may show buffering or a briefly unchanged state; wait a few seconds and re-read once before reporting a discrepancy.Check the source for dependencies, API keys and third-party costs. A public repository does not mean every service is free.
Do not auto-install
Audit
70/100
Needs review
Copies are not installs. Installation counts require a reported successful installation; they are not a blanket quality guarantee.