Margo

Margo, at headcanon.top, is an AI writing tool for fan fiction and original characters. Its main generator takes a character name, an optional fandom, an angle such as first meeting, secret habit or post-canon comfort, a tone and a canon distance from canon-safe to AU-leaning, then returns three directions labeled closest to canon, most intense and most unexpected. Other generators cover dialogue, missing scenes, what-if branches, relationships, backstories and names. A generation costs 10 Sparks and a reroll 3, and packs cost $4.90 for 500 Sparks or $14.90 for 2,000, valid for 365 days. Text goes to an AI provider through OpenRouter, and the terms say the output isn't official canon and that you're responsible for any permissions before publishing it.