@sync667/marginalia

Skill · npm · ★ 1 · graded 2026-10-21Source linked

Turn any project's markdown docs into a self-contained web review tool — highlight passages, add inline comments, hand the batch back to your AI agent as structured JSON.

No outside reports on file

@sync667/marginalia reads local files; restrict its folder reach, network access, and credentials before installing.

Based on public adoption and transparency signals as of Oct 21, 2026. Our opinion, not a code audit or security guarantee.

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What it can access

Local filesReads local filesNOTED
Command executionNo shell command runner notedLOW
Network reachLocal or standard API callsLOW
CredentialsNo API token requiredLOW
Package sourcenpm (@sync667/marginalia)PUBLIC

Inferred from this listing’s public package details and description. Check the project’s source before installing.

Install

npx -y @sync667/marginalia

All setup options ↓

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About @sync667/marginalia

@sync667/marginalia is an agent skill focused on Web & browsing and Files & documents: Turn any project's markdown docs into a self-contained web review tool — highlight passages, add inline comments, hand the batch back to your AI agent as structured JSON.

It is published on npm as @sync667/marginalia and hosted on GitHub at sync667/marginalia (1 GitHub stars, 3 weekly npm downloads, last repository push on 2026-07-31). Based on its public metadata, its operational scope includes: reads local files.

Setup

These use the package this listing points to. Check the project’s own instructions before running anything.

npm command

npx -y @sync667/marginalia

Why this grade

DD — High risk signals

Signal-based grade (1/7 points): public source code. This reflects adoption and transparency, not a code review.

Popularity and upkeep

11/100

GitHub stars: 1
Weekly npm downloads: 3
Listing last refreshed: 2026-10-28

These are public popularity signals, not a maintenance check. Look at the repository’s commit history and open issues.

Security reports

No reports found for this package in our research (last checked 2026-10-29).

Check a specific version →

Risks to watch for

Local file read access: Reads local documents or database files. Point it only at the specific files needed for the task so sensitive workspace files remain out of reach.
Dependency & version pinning: Distributed via npm (@sync667/marginalia). Pin an exact release version or commit SHA rather than floating tags so upstream updates are reviewed first.

How to lower the risk

Least-privilege permissions

Give it access only to the specific folders, accounts or projects it needs, never your whole drive or admin account.
Use a separate, limited API key or login just for this tool so you can switch it off without affecting anything else.

Network isolation

Run it on a work computer or sandbox account, not one holding personal or company-sensitive data.
If your IT team can, limit which websites and services it is allowed to contact.

Monitoring

Check its activity history or logs weekly at first, and look at what it changed or sent.
Turn on alerts for new logins or unusual usage on any account it connects to.

Red flags to watch for

It asks for more access than its job requires, or prompts you to paste passwords.
It suddenly updates with new owners, or starts contacting unfamiliar websites.

Questions

How do I install @sync667/marginalia?

Install @sync667/marginalia with npm install @sync667/marginalia or run it directly with npx -y @sync667/marginalia. For agent integration and configuration flags, see the documentation at github.com/sync667/marginalia. Pin an exact version and pass --ignore-scripts if you want to block post-install hooks.

Are there security reports about @sync667/marginalia?

No reports found for this package in our research (last checked 2026-10-29). @sync667/marginalia currently holds Grade D (High risk signals) based on public adoption and transparency signals. Review the permissions and source repository before granting access to local files, shell commands, or API keys.

Is @sync667/marginalia actively maintained?

@sync667/marginalia has 1 GitHub stars and 3 weekly npm downloads, with its latest repository commit pushed on 2026-07-31. Our directory data was last refreshed on 2026-10-28. Check recent commit activity, release tags, and open issues at github.com/sync667/marginalia before pinning it in production.

What are alternatives to @sync667/marginalia?

Compare @sync667/marginalia side by side with similar skills in the Related tools section on this page, or browse all skills on AgentArmorHQ.

Maintain or use @sync667/marginalia? Show its live grade in your GitHub README, docs site, or run a check from the terminal before you install.

AgentArmorHQ Risk Grade D for @sync667/marginalia

GitHub README Markdown:

markdown

[![AgentArmorHQ Risk Grade for @sync667/marginalia](https://agentarmorhq.com/api/badge/sync667-marginalia)](https://agentarmorhq.com/skills/sync667-marginalia)

HTML embed:

html

<a href="https://agentarmorhq.com/skills/sync667-marginalia"><img src="https://agentarmorhq.com/api/badge/sync667-marginalia" alt="AgentArmorHQ Risk Grade for @sync667/marginalia" height="20" /></a>

Terminal check:

terminal

curl -fsSL https://agentarmorhq.com/api/cli | node --input-type=module - check "sync667-marginalia"

Share with your security lead

Need sign-off to use @sync667/marginalia? Copy this note for Slack, a ticket or a pull request.

### AgentArmorHQ Security Review Memo: @sync667/marginalia
- **Listing URL:** https://agentarmorhq.com/skills/sync667-marginalia
- **Type:** AI agent skill
- **Risk Grade:** Grade D (High risk signals)
- **Outside Security Advisories on File:** 0
- **Public Adoption:** 1 GitHub stars, 3 weekly npm downloads

#### Permission & Blast-Radius Signals
- **Local files:** Reads local files
- **Command execution:** No shell command runner noted
- **Network reach:** Local or standard API calls
- **Credentials:** No API token required
- **Package source:** npm (@sync667/marginalia)

#### Recommended Hardened Setup
- **Command:** `npx -y --ignore-scripts @sync667/marginalia`
- **Controls:** Pin an exact version in `.mcp.json`, scope access to a single workspace folder, and use a least-privilege read-only token where supported.

_Based on public adoption and transparency signals as of Oct 21, 2026. Our opinion, not a code audit or security guarantee._

Key facts

Type: AI agent skill
Publisher: sync667
Source code: github.com/sync667/marginalia
Install command: npm install @sync667/marginalia
Est. context load: ~71 tokens idle · ~1.2k tokens when active (on-demand skill)
Popularity: 1 GitHub stars, 3 weekly npm downloads
Last updated: 2026-10-28
Last graded: 2026-10-21

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