hybridlabor-api/bdb-dev-optimized-agent-skills · skills/global_config/n8n-expression-syntax/SKILL.md

n8n-expression-syntax skillA

n8n-expression-syntax is agent-read markdown (skill) from hybridlabor-api/bdb-dev-optimized-agent-skills: Validate n8n expression syntax and fix common errors. Use when writing n8n expressions, using {{}} syntax, accessing $json/$node variables, troubleshooting expression errors, or working with webhook data in workflows..

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 hybridlabor-api/bdb-dev-optimized-agent-skills/n8n-expression-syntax@git:20260827.e9312a3
Exact content
mdr add hybridlabor-api/bdb-dev-optimized-agent-skills/n8n-expression-syntax@sha256:d6d1dcc7ce828a07

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_jdrdd2rfrzxmf5vu.svg)](https://markdownregistry.com/a/art_jdrdd2rfrzxmf5vu)

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Versions

versioncommittedcommitsizeaudit
git:20260827.e9312a3 latest2026-08-27 e9312a3 10,151 BA view · diff
git:20260727.48beb342026-07-27 48beb34 10,133 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 (10151 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

hybridlabor-api/bdb-dev-optimized-agent-skills · 6 stars · license Apache-2.0 · pushed 2026-09-15 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_jdrdd2rfrzxmf5vu
GET https://markdownregistry.com/api/v1/resolve?ref=hybridlabor-api/bdb-dev-optimized-agent-skills/n8n-expression-syntax
GET https://markdownregistry.com/api/v1/blob/d6d1dcc7ce828a0715a9b0de3c5ac27021a3dd2602faeffc67b972d8180d0e43

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