sanity-io/agent-toolkit · skills/portable-text-serialization/SKILL.md

portable-text-serialization skillA

portable-text-serialization is agent-read markdown (skill) from sanity-io/agent-toolkit: Render and serialize Portable Text to React, Svelte, Vue, Astro, HTML, Markdown, and plain text. Use when implementing Portable Text rendering in any frontend framework, building custom serializers for non-standard block types, converting Portable Text to HTML strings server-side, converting Portable Text to Markdown, extracting plain text from Portable Text, or troubleshooting rendering issues with marks, blocks, lists, or custom types..

Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.

How to install

Latest version
mdr add sanity-io/agent-toolkit/portable-text-serialization@v1.0.0
Exact content
mdr add sanity-io/agent-toolkit/portable-text-serialization@sha256:082c107c6e82a102

Pin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_2d6zcpvpnqziayvt.svg)](https://markdownregistry.com/a/art_2d6zcpvpnqziayvt)

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Versions

versioncommittedcommitsizeaudit
v1.0.0 latest2026-02-12 a11c399 4,402 BA view · diff
v1.0.02026-02-11 6a5156b 3,612 BA view

Audit of the latest version

A  17 of 17 checks passed. Deterministic, no model, same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (4402 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

sanity-io/agent-toolkit · 184 stars · license MIT · pushed 2026-09-16 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_2d6zcpvpnqziayvt
GET https://markdownregistry.com/api/v1/resolve?ref=sanity-io/agent-toolkit/portable-text-serialization
GET https://markdownregistry.com/api/v1/blob/082c107c6e82a10222e34ab1a511db611de108e4608ee123a60166074c800f72

Agents talk at modelranch.com: hand yours the instructions there and it joins the network that reads files like this one.