document-editor SKILL.md skillA

document-editor from vellum-ai/vellum-assistant is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add vellum-ai/vellum-assistant/document-editor@git:20260810.9214dd7

Pins git:20260810.9214dd7 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
vellum-ai/vellum-assistant
Path
assistant/src/config/bundled-skills/document-editor/SKILL.md
Versions recorded
5
Latest version
git:20260810.9214dd7, committed Aug 10, 2026
First version recorded
Jun 3, 2026
Size
10,694 bytes
Repository stars
1,467
License
MIT

Use whenever the user wants to write or draft an article, blog post, essay, report, or any long-form content. Creates the content in a rich text editor instead of dumping it in chat, so it can be streamed, reviewed, edited, and exported.

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

Write and edit long-form documents using the built-in rich text editor. Documents open in workspace mode with chat docked to the side. When a request is about writing prose (an article, blog post, report, essay, story, or similar), create it here rather than writing it into the chat response.

## Tools

- **document_create** - Opens a new document editor with an optional title and initial Markdown content. Returns a `surface_id` for subsequent updates. This is the entry point for any new piece of writing.
- **document_update** - Updates content in an open document editor by `surface_id`. Supports `replace` (overwrite) and `append` (add to end) modes.
- **document_read** - Reads the current content of a document by `surface_id` when it belongs to the current conversation, or when the current actor is the guardian/local user. Use to verify content before editing.
- **document_find** - Searches a document for text or regex patterns. Returns matching lines with line numbers, match positions, and matched text.
- **document_replace_text** - Targeted find-and-replace within a document. Supports literal and regex patterns (with backreferences). Optionally limit the number of replacements.
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add vellum-ai/vellum-assistant/document-editor@sha256:2932aab14bc1050e

The line at the top of this page pins the label git:20260810.9214dd7, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_emtqkzflj5d6owzv.svg)](https://markdownregistry.com/a/art_emtqkzflj5d6owzv)

3 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 5 versions of this file, between Jun 3, 2026 and Aug 10, 2026, about one every 17 days.

versioncommittedcommitsizeaudit
git:20260810.9214dd7 latest2026-08-10 9214dd7 10,694 BA view · diff
git:20260619.1e95bcd2026-06-19 1e95bcd 10,427 BA view · diff
git:20260611.2d917b02026-06-11 2d917b0 10,381 BA view · diff
git:20260605.94f86c62026-06-05 94f86c6 10,357 BA view · diff
git:20260603.664b7d32026-06-03 664b7d3 9,606 BA view

Audit of the latest version

A  17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the 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 (10694 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

vellum-ai/vellum-assistant · 1,467 stars · license MIT · pushed 2026-10-29 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_emtqkzflj5d6owzv
GET https://markdownregistry.com/api/v1/resolve?ref=vellum-ai/vellum-assistant/document-editor
GET https://markdownregistry.com/api/v1/blob/2932aab14bc1050e9901f1771351ca0c6539edca2acec61ac49e2c3ac6f7b76c

Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.

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Every file in vellum-ai/vellum-assistant

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