add_reaction
Input
emoji requiredA single unicode emoji, e.g. a thumbs up. Limited to a set of common emoji this script can name for Discord's picker search (thumbs up/down, heart, laughing, fire, 100, eyes, check mark, clap, party popper, thinking, and a few more); an emoji outside that set is refused with a clear reason rather than guessed at. Custom server emoji are not supported.
messageUrl requiredFull message url, e.g. https://discord.com/channels/<guildId>/<channelId>/<messageId>. discord.com/read_messages returns the ids to build one.
remove optionalLeave false (the default) to add your reaction. Set true to take your own reaction off; other people's reactions are never touched.
Default: falseOutput
emoji requiredreacted requiredWhether your reaction is on the message after this run.
channelId requiredmessageId requiredalready_present requiredTrue when the message was already in the requested state, so nothing was written.
count optionalHow many people have reacted with this emoji afterwards, as Discord shows it; null once no pill remains.
request_seen optionalWhether Discord's own reaction request was observed for this change.
Read Discord messages
Reads the most recent messages of a Discord channel (author, timestamp, text), newest first, scrolling up to load more until the requested count. Requires being logged in. Also reads a THREAD or a FORUM POST: both are channels in their own right, so pass the post's url (from discord.com/list_forum_posts) and you get its replies plus the opening post, newest first — there is no separate thread-reading script. It does NOT accept a forum channel itself, which lists posts rather than messages: use discord.com/list_forum_posts for that.
Post a Discord message
Posts a text message in a Discord channel, addressed by channel URL. Requires being logged in to Discord. Returns `sent` plus the created message's messageId, channelId, timestamp and content as Discord stored it. This is a write: the message appears in the channel and is visible to everyone who can see it. Discord's own message limits are checked before anything is sent, so a message that is empty or whitespace-only, or longer than 2000 characters, is refused straight away with a clear reason.
Find Discord member ID by name
Resolves a Discord member's userId from their name, through a channel's mention autocomplete (@name). Useful to build a <@id> ping. Requires being logged in.