Guide for using molt fetch to migrate data from PostgreSQL, MySQL, Oracle, or MSSQL to CockroachDB. Use when running molt fetch commands, configuring storage backends, handling fetch failures/resumption, or chaining fetch with verify.
Install
npx skills add cockroachdb/claude-plugin --skill molt-fetchnpx skills add cockroachdb/claude-plugin --skill molt-fetch -a claude-code -gnpx skills add cockroachdb/claude-plugin --skill molt-fetch -a codex -ggemini skills install https://github.com/cockroachdb/claude-plugin.git --path skills/cockroachdb-onboarding-and-migrations/molt-fetchgh skill install cockroachdb/claude-plugin molt-fetchgit clone --depth 1 https://github.com/cockroachdb/claude-plugin /tmp/cockroachdb__claude-plugin
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/cockroachdb__claude-plugin/skills/cockroachdb-onboarding-and-migrations/molt-fetch ~/.claude/skills/molt-fetch # Claude Code
cp -R /tmp/cockroachdb__claude-plugin/skills/cockroachdb-onboarding-and-migrations/molt-fetch ~/.agents/skills/molt-fetch # Codex, Cursor, Gemini CLI, Copilot, OpenCode