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Set a webhook alarm

set_webhook_alarm

Sets an alarm that rings on the person's phone whenever its private web address is called: from a smart home (a garage door opening), a shop (a new sale), Zapier, IFTTT, a script, anything that can send a web request. For something only another system can see happen; a time, a post, a price, a trade or an event link each has its own alarm. Calls within its quiet time after a ring are ignored. One is free on every account; more need a paid plan. Private or friends, never public. Returns the alarm, the address to call 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": {
      "title": "<title>"
    },
    "name": "set_webhook_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.
reachNoWho can join: private (only the person) or friends (people on its list, or with its link).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).
titleYesWhat the alarm says when it rings, "Garage door is open". Up to 60 characters; it reads best under about 25.
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.
quiet_forNoAfter ringing, how long further calls are ignored, so a burst of calls rings once.5_min
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. Changed1 schema field changed
    • changedInput schema / properties / theme / description
      Previous value: -"A picture theme: the alarm gets one of the theme's pictures as its wallpaper and a song in its moods, and a new alarm a title written for it. A wallpaper, title or vibe given as well is kept instead. 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)."New value: +"A 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)."
  5. Changed1 schema field changed
    • changedInput schema / properties / vibe / description
      Previous value: -"The feel of the alarm in a few words, \"fun poppy anime\", \"calm\", \"a simple bell\", \"hype for a token launch\". LFG picks a sound and a drawn look from its library to match; wallpaper words or colours given here win over the look."New value: +"The 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."
  6. Changed1 schema field changed
    • addedInput schema / properties / send_beacons_to
      Added value: +{
      +  "description": "A 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.",
      +  "maxLength": 2048,
      +  "type": "string"
      +}
  7. Changed1 schema field changed
    • changedInput schema / properties / words_color / description
      Previous value: -"Colour of the words as hex, any colour, \"#D7FF00\". Pick one that stands out from the background."New value: +"Colour of the words as hex, any colour, \"#D7FF00\"."
  8. Changed6 schema fields changed
    • changedInput schema / properties / title / description
      Previous value: -"What the alarm says when it rings, \"Garage door is open\"."New value: +"What the alarm says when it rings, \"Garage door is open\". Up to 60 characters; it reads best under about 25."
    • changedInput schema / properties / title / maxLength
      Previous value: -120New value: +60
    • changedInput schema / properties / wallpaper_color / description
      Previous value: -"Wallpaper background colour as hex, \"#5B2BFF\"."New value: +"Wallpaper background colour as hex, any colour, \"#5B2BFF\"."
    • changedInput schema / properties / wallpaper_words / description
      Previous value: -"Words drawn on the wallpaper, \"WAKE UP\"; a line break starts a new line."New value: +"Words 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."
    • changedInput schema / properties / wallpaper_words / maxLength
      Previous value: -80New value: +40
    • changedInput schema / properties / words_color / description
      Previous value: -"Colour of the words as hex, \"#D7FF00\"."New value: +"Colour of the words as hex, any colour, \"#D7FF00\". Pick one that stands out from the background."
  9. First observed

TDQS

A4.3/5.0
Behavior5/5

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

Annotations only declare it is a non-read-only, open-world, non-idempotent, non-destructive write. The description adds substantial behavior beyond that: quiet time suppresses repeated calls after a ring, one alarm is free per account and more require a paid plan, and reach is capped at private or friends, never public. It also states the return payload (the alarm, the address to call, and its link), which the annotations do not cover.

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

Conciseness4/5

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

Front-loaded with the core trigger mechanism and trigger examples before secondary facts (quiet time, billing, privacy, return value). Most sentences carry unique information — free-tier limit and never-public constraint are non-obvious — though the opening sentence is long and comma-heavy, and the routing sentence is somewhat compressed.

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 25-parameter creation tool with no output schema, the description supplies the conceptual model an agent needs: what triggers it, the privacy ceiling, the free-tier limit, quiet-time suppression, and what is returned. It cannot and need not enumerate 25 parameters because the schema covers them at 96% coverage. Minor gaps remain around error conditions and the relationship between some parameters, but nothing essential to correct invocation is missing.

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?

Schema description coverage is 96%, so the extensive per-parameter prose already explains sound, vibe, theme, reach, people, snooze and wallpaper semantics. The tool description adds little parameter-level meaning beyond the conceptual framing of webhook triggers; it does not, for example, clarify how quiet_for relates to the burst behavior it mentions. Baseline 3 applies when the schema carries the parameter burden.

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 and resource — sets an alarm that rings when its private web address is called — and enumerates concrete trigger sources (garage door, shop sale, Zapier, IFTTT, script). It also distinguishes the tool from sibling alarm types by noting that a time, post, price, trade or event link each has its own alarm, so an agent can route without opening schemas.

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 clear when-to-use guidance: 'For something only another system can see happen,' with the alternative categories named (time, post, price, trade, event link). It does not name the actual sibling tools like set_time_alarm or set_price_alarm, so routing relies on category inference rather than explicit tool references, but the context is unambiguous.

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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