arcjet/skills · arcjet/SKILL.md

arcjet skillA

arcjet is agent-read markdown (skill) from arcjet/skills: Add Arcjet security protection to HTTP routes, AI agent tool calls, MCP servers, background jobs, and queue workers. Covers rate limiting, bot detection, email validation, prompt injection, sensitive information blocking (including Rampart NER), content moderation, capture/flush, remote Guard policies, typed inputs, and abuse prevention. Works in JavaScript/TypeScript, Python, and Go. HTTP frameworks share this skill. JS Guard adapters (Vercel AI SDK, Eve, Mastra, LangChain, LangGraph, OpenAI Ag.

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 arcjet/skills/arcjet@git:20260916.f8959e1
Exact content
mdr add arcjet/skills/arcjet@sha256:29c76db991f25128

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_pah2gtcdkstogjr7.svg)](https://markdownregistry.com/a/art_pah2gtcdkstogjr7)

0 badge views in 30 days

Versions

versioncommittedcommitsizeaudit
git:20260916.f8959e1 latest2026-09-16 f8959e1 21,936 BA view · diff
git:20260904.d9aadab2026-09-04 d9aadab 21,397 BA view · diff
git:20260904.97874912026-09-04 9787491 23,061 BA view · diff
git:20260903.677f1772026-09-03 677f177 36,459 BA view · diff
git:20260903.ce243a32026-09-03 ce243a3 42,954 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 (21936 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

arcjet/skills · 3 stars · license Apache-2.0 · pushed 2026-09-17 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_pah2gtcdkstogjr7
GET https://markdownregistry.com/api/v1/resolve?ref=arcjet/skills/arcjet
GET https://markdownregistry.com/api/v1/blob/29c76db991f251288fc7629e846ee9b9d895148b4b1e63b9044a258de308e637