Summary
If you're migrating content into Sanity or building ingestion pipelines, this handles the conversion work. It covers three approaches: markdownToPortableText from @portabletext/markdown for direct Markdown conversion, htmlToBlocks from @portabletext/block-tools for HTML migration, and manual block construction when you need full control. The guides break down the Portable Text spec (blocks, spans, keys, markDefs) and show concrete conversion patterns for each source format. Handy reference if you've ever stared at a legacy CMS export wondering how to turn it into proper PT blocks without writing a parser from scratch.
Install to Claude Code
npx -y skills add sanity-io/agent-toolkit --skill portable-text-conversion --agent claude-codeInstalls into .claude/skills of the current project.
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Files
SKILL.md
Select a file.
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Plug Mailtrap into your AI workflow and let it handle the email.
Connect Mailtrap MCP →Agent, run crypto. Access onchain data & trade routes via 1inch.
Install now →Make coding agent sessions - Searchable, Shareable, Vendor-neutral & Scored.
Try For Free →Your agent targets a perfect 10 Code Health score. Deterministic. Every commit.
Try For Free →Integrate web data into your AI product. One API to scrape website & brand data.
Get API Key Now →belt cli automatically finds the best tools and skills for your agent. image, video, music, tts...
one prompt install →
