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Set a drop alarm

set_drop_alarm

Sets an alarm that rings on the person's phone when an artist posts new music on SoundCloud: any new public track, or only an album or EP. Takes the artist's SoundCloud link, a profile or one of their tracks, never a name: many accounts share a name, so a name alone is refused. only_if narrows which drops ring it, in the person's words. LFG checks about every minute. When it rings, an LFG sound plays and the new track can be played in SoundCloud's own player. Returns the alarm and its link.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "artist": "<artist>"
    },
    "name": "set_drop_alarm"
  }
}

Input Schema

NameRequiredDescriptionDefault
noteNoA note from the person about the alarm, in their words, shown under its trigger on the alarm's page and in the Daily drop. Up to 500 characters; an empty note clears it.
vibeNoThe feel of the alarm in a few words, and the kind of background and colour if the person named them: "fun poppy anime", "calm", "a simple bell", "hype for a token launch", "ocean waves, purple", "neon and chaotic". LFG picks a sound and a look from its library to match: a live, moving wallpaper when one fits, otherwise a drawn one. Wallpaper words given here replace the look's words; a colour given here makes it a plain gradient in that colour.
briefNoA brief on a schedule as well as the alarm: Rocco gathers on the topic through the day, and the brief arrives quietly at this time, as a notification and in the Daily Drop, never a ring. The phone still rings only when the alarm's own rule matches. Makes it a monitoring alarm. For a clock alarm whose ring brings the brief, use set_time_alarm with follow instead.
reachNoWho can join: private (only the person), friends (people on its list, or with its link), public (anyone; listed in Discover).private
soundNoThe shelf of our library closest to the sound they asked for, read for what they mean: lo-fi or study beats is music/chill, "make it a vibe" might be music/chill, music/rnb or music/beats, hype me up is voices/hype_man, yelling at me is voices/drill_sergeant. "own" for one of their own uploads ("my song"). "soundcloud" when they asked for SoundCloud, or no shelf is close: a genre we have no shelf for (k-pop, drum and bass), or an artist or a song by name; put what to look for in song_search, and they play SoundCloud songs and tap one. Leave it out when they said nothing about the sound. A song from Apple Music, or a song or voiceover made for them: leave this out, make the alarm, and say they get it in the alarm's Studio, under its sound, after Arm it. Never say you will make one. The wallpaper follows the song unless one is asked for.
themeNoA theme or holiday: the alarm gets a song in its moods, a new alarm a title written for it, and a wallpaper dealt for it for variety, one of the theme's pictures, a GIF, a live wallpaper or a gradient. A vibe given as well shapes that ("cozy", "degen"); wallpaper words or a title given are kept. One of: birthday (Birthday), love (Love), night_out (Night out), shopping (Shopping), winter (Winter), christmas (Christmas), hanukkah (Hanukkah), diwali (Diwali), halloween (Halloween), thanksgiving (Thanksgiving), friendsgiving (Friendsgiving), new_years (New Year's Eve).
titleNoShort name for the alarm. When absent, LFG names it from the artist. Up to 60 characters; it reads best under about 25.
artistYesThe artist's SoundCloud link, "https://soundcloud.com/fredagain", or a link to one of their tracks.
momentNotrack: any new public track (the default). album: only an album or EP.
only_ifNoWords that narrow which drops ring it, as the person said them, "only a remix". Left out, every new drop rings.
surpriseNoFor a friends alarm: keep it a surprise. People who join see a curtain instead of its title, picture, sound and note until it rings. Free on every plan.
link_modeNoFor a friends alarm, what its link does: open (anyone who opens the link rides along, the default) or approve (anyone else with the link asks first and the person says yes or no). Invited people walk straight in either way.
add_groupsNoFor a friends alarm: names of the person's friend groups whose members to let in, "Family". Members get a notification.
add_peopleNoFor a friends alarm: up to 20 people to let in, as usernames of the person's LFG friends or as email addresses. Friends get a notification; an email address with no LFG account gets an invitation. Any other username is refused.
gif_searchNo2 to 5 plain words to search GIFs with, written for this alarm, "solana pump celebration", "sleepy cat monday": used if the look dealt is a GIF, which has no words of its own. Fill it whenever you make an alarm.
look_wordsNoShort words of your own for the wallpaper, written for this alarm, "SOL TO THE MOON", "EXAM DAY", "BEACH BY 6": used if the look dealt is a live wallpaper or a gradient, in place of its own words. 2 to 4 words. Unlike wallpaper_words, the look is still dealt. Fill it whenever you make an alarm.
button_linkNo
song_searchNoWith "soundcloud": what to look for there, in their words, "k-pop", "fred again".
upload_nameNoWith "own": the name they gave the upload, "my dog picture". Left out, one of theirs is used.
words_colorNoColour of the words as hex, any colour, "#D7FF00".
hide_triggerNoNeeded with surprise, true or false: whether to also keep back when and why it rings, so people who join only know that it will. A surprise is not made until it is given.
snooze_timesNoHow many times it can be snoozed: 3, 10 or unlimited.
silent_snoozeNotrue to snooze without the spoken roast LFG plays by default.
snooze_minutesNoMinutes each snooze lasts: 5, 10, 15, 30 or 60.
wallpaper_kindNoOnly when they named a kind: a gradient, a live (moving) wallpaper, a gif or meme, or "own" for one of their own uploads ("my wallpaper", "the picture I uploaded"). Left out, LFG deals one of every kind in turn.
send_beacons_toNoA webhook the person got from the other side (a Discord channel's hook, a Zapier catch hook, their own agent's address): every beacon on this alarm is POSTed there as JSON, signed with the alarm's horn token. Public https only. An empty string stops it.
wallpaper_colorNoWallpaper background colour as hex, any colour, "#5B2BFF".
wallpaper_wordsNoWords drawn on the wallpaper, "WAKE UP"; a line break starts a new line. Up to 40 characters; it looks best as 1 to 4 short words, since the words are drawn as large as the square allows.
people_confirmedNoWhether the person has confirmed the people and groups being added. Nobody is added or told without it.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed2 schema fields changed
    • addedInput schema / properties / gif_search
      Added value: +{
      +  "description": "2 to 5 plain words to search GIFs with, written for this alarm, \"solana pump celebration\", \"sleepy cat monday\": used if the look dealt is a GIF, which has no words of its own. Fill it whenever you make an alarm.",
      +  "maxLength": 60,
      +  "minLength": 2,
      +  "type": "string"
      +}
    • addedInput schema / properties / look_words
      Added value: +{
      +  "description": "Short words of your own for the wallpaper, written for this alarm, \"SOL TO THE MOON\", \"EXAM DAY\", \"BEACH BY 6\": used if the look dealt is a live wallpaper or a gradient, in place of its own words. 2 to 4 words. Unlike wallpaper_words, the look is still dealt. Fill it whenever you make an alarm.",
      +  "maxLength": 40,
      +  "minLength": 1,
      +  "type": "string"
      +}
  2. Changed3 schema fields changed
    • addedInput schema / properties / song_search
      Added value: +{
      +  "description": "With \"soundcloud\": what to look for there, in their words, \"k-pop\", \"fred again\".",
      +  "maxLength": 120,
      +  "type": "string"
      +}
    • changedInput schema / properties / sound / description
      Previous value: -"The shelf of our library closest to the sound they asked for: lo-fi or study beats is music/chill or music/cozy, hype me up is voices/hype_man, yelling at me is voices/drill_sergeant. \"own\" for one of their own uploads (\"my song\"). Leave it out when they said nothing about the sound. A SoundCloud song: make the alarm, then find_soundcloud_song. A song from Apple Music, or a song or voiceover made for them: leave this out, make the alarm, and say they get it in the alarm's Studio, under its sound, after Arm it. Never say you will make one. The wallpaper follows the song unless one is asked for."New value: +"The shelf of our library closest to the sound they asked for, read for what they mean: lo-fi or study beats is music/chill, \"make it a vibe\" might be music/chill, music/rnb or music/beats, hype me up is voices/hype_man, yelling at me is voices/drill_sergeant. \"own\" for one of their own uploads (\"my song\"). \"soundcloud\" when they asked for SoundCloud, or no shelf is close: a genre we have no shelf for (k-pop, drum and bass), or an artist or a song by name; put what to look for in song_search, and they play SoundCloud songs and tap one. Leave it out when they said nothing about the sound. A song from Apple Music, or a song or voiceover made for them: leave this out, make the alarm, and say they get it in the alarm's Studio, under its sound, after Arm it. Never say you will make one. The wallpaper follows the song unless one is asked for."
    • changedInput schema / properties / sound / enum
      Previous value: -[
      -  "own",
      -  "music/afrobeats",
      -  "music/anime",
      -  "music/beats",
      -  "music/broadway",
      -  "music/chill",
      -  "music/cinematic",
      -  "music/classical",
      -  "music/country_folk",
      -  "music/cozy",
      -  "music/electronic",
      -  "music/happy_birthday",
      -  "music/heavenly",
      -  "music/hiphop",
      -  "music/jazzblues",
      -  "music/latin",
      -  "music/metal",
      -  "music/pop",
      -  "music/reggae",
      -  "music/rnb",
      -  "music/roasts",
      -  "music/rock",
      -  "music/video_game",
      -  "voices/android",
      -  "voices/anime",
      -  "voices/battle_cry",
      -  "voices/boss",
      -  "voices/breaking",
      -  "voices/bro",
      -  "voices/calm",
      -  "voices/chants",
      -  "voices/chaos",
      -  "voices/doomer",
      -  "voices/drama",
      -  "voices/drill_sergeant",
      -  "voices/gamer",
      -  "voices/hype_man",
      -  "voices/narrator",
      -  "voices/party",
      -  "voices/super_positive",
      -  "voices/the_butler",
      -  "voices/toxic_coach",
      -  "voices/warning",
      -  "voices/wtf",
      -  "voices/your_bestie",
      -  "tones/beeps",
      -  "tones/buzzers",
      -  "tones/chimes",
      -  "tones/footsteps",
      -  "tones/horns_drums",
      -  "tones/nature",
      -  "tones/powerups",
      -  "tones/sirens",
      -  "tones/winning",
      -  "themes/halloween",
      -  "themes/thanksgiving"
      -]New value: +[
      +  "own",
      +  "soundcloud",
      +  "music/afrobeats",
      +  "music/anime",
      +  "music/beats",
      +  "music/broadway",
      +  "music/chill",
      +  "music/cinematic",
      +  "music/classical",
      +  "music/country_folk",
      +  "music/cozy",
      +  "music/electronic",
      +  "music/happy_birthday",
      +  "music/heavenly",
      +  "music/hiphop",
      +  "music/jazzblues",
      +  "music/latin",
      +  "music/metal",
      +  "music/pop",
      +  "music/reggae",
      +  "music/rnb",
      +  "music/roasts",
      +  "music/rock",
      +  "music/video_game",
      +  "voices/android",
      +  "voices/anime",
      +  "voices/battle_cry",
      +  "voices/boss",
      +  "voices/breaking",
      +  "voices/bro",
      +  "voices/calm",
      +  "voices/chants",
      +  "voices/chaos",
      +  "voices/doomer",
      +  "voices/drama",
      +  "voices/drill_sergeant",
      +  "voices/gamer",
      +  "voices/hype_man",
      +  "voices/narrator",
      +  "voices/party",
      +  "voices/super_positive",
      +  "voices/the_butler",
      +  "voices/toxic_coach",
      +  "voices/warning",
      +  "voices/wtf",
      +  "voices/your_bestie",
      +  "tones/beeps",
      +  "tones/buzzers",
      +  "tones/chimes",
      +  "tones/footsteps",
      +  "tones/horns_drums",
      +  "tones/nature",
      +  "tones/powerups",
      +  "tones/sirens",
      +  "tones/winning",
      +  "themes/halloween",
      +  "themes/thanksgiving"
      +]
  3. Changed3 schema fields changed
    • addedInput schema / properties / sound
      Added value: +{
      +  "description": "The shelf of our library closest to the sound they asked for: lo-fi or study beats is music/chill or music/cozy, hype me up is voices/hype_man, yelling at me is voices/drill_sergeant. \"own\" for one of their own uploads (\"my song\"). Leave it out when they said nothing about the sound. A SoundCloud song: make the alarm, then find_soundcloud_song. A song from Apple Music, or a song or voiceover made for them: leave this out, make the alarm, and say they get it in the alarm's Studio, under its sound, after Arm it. Never say you will make one. The wallpaper follows the song unless one is asked for.",
      +  "enum": [
      +    "own",
      +    "music/afrobeats",
      +    "music/anime",
      +    "music/beats",
      +    "music/broadway",
      +    "music/chill",
      +    "music/cinematic",
      +    "music/classical",
      +    "music/country_folk",
      +    "music/cozy",
      +    "music/electronic",
      +    "music/happy_birthday",
      +    "music/heavenly",
      +    "music/hiphop",
      +    "music/jazzblues",
      +    "music/latin",
      +    "music/metal",
      +    "music/pop",
      +    "music/reggae",
      +    "music/rnb",
      +    "music/roasts",
      +    "music/rock",
      +    "music/video_game",
      +    "voices/android",
      +    "voices/anime",
      +    "voices/battle_cry",
      +    "voices/boss",
      +    "voices/breaking",
      +    "voices/bro",
      +    "voices/calm",
      +    "voices/chants",
      +    "voices/chaos",
      +    "voices/doomer",
      +    "voices/drama",
      +    "voices/drill_sergeant",
      +    "voices/gamer",
      +    "voices/hype_man",
      +    "voices/narrator",
      +    "voices/party",
      +    "voices/super_positive",
      +    "voices/the_butler",
      +    "voices/toxic_coach",
      +    "voices/warning",
      +    "voices/wtf",
      +    "voices/your_bestie",
      +    "tones/beeps",
      +    "tones/buzzers",
      +    "tones/chimes",
      +    "tones/footsteps",
      +    "tones/horns_drums",
      +    "tones/nature",
      +    "tones/powerups",
      +    "tones/sirens",
      +    "tones/winning",
      +    "themes/halloween",
      +    "themes/thanksgiving"
      +  ],
      +  "type": "string"
      +}
    • addedInput schema / properties / upload_name
      Added value: +{
      +  "description": "With \"own\": the name they gave the upload, \"my dog picture\". Left out, one of theirs is used.",
      +  "maxLength": 80,
      +  "type": "string"
      +}
    • addedInput schema / properties / wallpaper_kind
      Added value: +{
      +  "description": "Only when they named a kind: a gradient, a live (moving) wallpaper, a gif or meme, or \"own\" for one of their own uploads (\"my wallpaper\", \"the picture I uploaded\"). Left out, LFG deals one of every kind in turn.",
      +  "enum": [
      +    "gradient",
      +    "live",
      +    "gif",
      +    "own"
      +  ],
      +  "type": "string"
      +}
  4. Added

TDQS

A4.2/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations only declare the generic profile (not read-only, open-world, not idempotent, not destructive); the description adds real behavior: checks about every minute, plays an LFG sound, opens the track in SoundCloud's own player, and returns the alarm and its link. It does not cover account/permission prerequisites or what happens if the artist link is invalid beyond the name refusal.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Five short sentences, trigger and required input first, then the narrowing rule, then polling and ringing behavior, then the return value. No filler and nothing repeated from the schema.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a 29-parameter creation tool with nested objects and no output schema, the description covers the trigger semantics, the hard input constraint, the polling cadence, and the return shape. The dense parameter web (surprise/hide_trigger coupling, sound vs. song_search, add_people confirmation) is left entirely to schema descriptions, which are rich enough to carry it.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

With 29 parameters at 97% schema description coverage, the schema already carries the semantics and the baseline of 3 applies. The description only adds interpretive glue for one field ('only_if narrows which drops ring it, in the person's words'), leaving the other 28 parameters to their schema text.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb (sets an alarm) plus the exact trigger: an artist posting new music on SoundCloud, either any new public track or only an album/EP. That trigger definition cleanly separates it from the other set_*_alarm siblings, which key off events, prices, tides, or clock times rather than artist drops.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Gives concrete input discipline — the artist must be a SoundCloud link to a profile or track, never a name, because many accounts share a name — and the nested brief field description explicitly routes the clock-alarm-plus-brief case to set_time_alarm with follow. It stops short of naming any other sibling alarm type or saying when a drop alarm is the wrong pick.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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