Abnf

GPTClaudeGemini··▲ 117 copies·updated 2026-07-14

abnf.prompt

Here's the grammar for Grace if you're not exactly sure what the language does
and does not permit so that you don't run into trivial syntax errors:

when to use it

Community prompt sourced from the open-source GitHub repo Gabriella439/grace (BSD-3-Clause). A "Abnf" style prompt — adapt the placeholders and specifics to your task. Imported as-is and not independently retested here, so check the output before relying on it.