Multiline Commit Messages Skill for Cursor
>- Use single-quoted strings for multiline git commit messages in the Shell tool. Prevents heredoc escaping failures that produce garbled commit messages.
Install
one command, takes just this skill from the repositorynpx skills add https://github.com/prisma/prisma --skill multiline-commit-messagesThe instruction itself
4 sections, as written by the authorMultiline commit messages
The Shell tool sends commands as a single string. Heredoc syntax (<<'EOF') inside $(cat ...) is fragile and can fail silently — the literal $(cat <<'EOF' ... ends up as the commit message instead of the intended text.
Rule
Prefer single-quoted strings with embedded newlines over $(cat <<'EOF' ...):
git commit -s -m 'short summary line
Longer body paragraph explaining why the change exists.
Additional context if needed.'
Why heredocs are fragile
The Shell tool passes the command as a single string argument. When you write:
git commit -m "$(cat <<'EOF'
message
EOF
)"
the EOF delimiter, newlines, and nested quoting can interact unpredictably, and the result is the raw $(cat <<'EOF' ... text appearing as the commit message.
Single-quoted strings with literal newlines are simple, portable, and always work. If the message itself must contain a single quote, close and reopen the quote ('\'') or fall back to a temp file passed via -F.
Sign off
Every commit still needs its Signed-off-by trailer — see git-staging. Pass -s on the same git commit invocation.
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How to use it
Take prisma/multiline-commit-messages from the repository into ~/.claude/skills for personal
use, or into .claude/skills inside a project.
The agent identifies a skill by the name field in its header. Two skills with the
same name cannot sit side by side — one of them will be ignored.