kanevry/session-orchestrator · skills/frontmatter-guard/SKILL.md

frontmatter-guard skillA

frontmatter-guard is agent-read markdown (skill) from kanevry/session-orchestrator: Injects the canonical vault frontmatter schema snippet into agent prompts before any vault-write task, preventing malformed YAML frontmatter in Obsidian notes. <example>Context: wave-executor is about to dispatch a vault-mirror agent that writes learning notes under ~/Projects/vault/40-learnings/. user: "dispatch vault-write agent" assistant: "Injecting frontmatter-guard snippet into agent prompt (vault scope detected). Required fields: id, type, created, updated. Enum type: note|daily|project|p.

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 kanevry/session-orchestrator/frontmatter-guard@git:20260906.9b0a555
Exact content
mdr add kanevry/session-orchestrator/frontmatter-guard@sha256:33b95a40d968238a

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_enjc7ncwoflopuuu.svg)](https://markdownregistry.com/a/art_enjc7ncwoflopuuu)

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Versions

versioncommittedcommitsizeaudit
git:20260906.9b0a555 latest2026-09-06 9b0a555 8,805 BA view · diff
git:20260815.957b21b2026-08-15 957b21b 7,089 BA view · diff
git:20260518.a68e94f2026-05-18 a68e94f 7,071 BA view · diff
git:20260508.7158b822026-05-08 7158b82 7,098 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 (8805 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

kanevry/session-orchestrator · 50 stars · license MIT · pushed 2026-09-07 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_enjc7ncwoflopuuu
GET https://markdownregistry.com/api/v1/resolve?ref=kanevry/session-orchestrator/frontmatter-guard
GET https://markdownregistry.com/api/v1/blob/33b95a40d968238a04787573a056be19599b30985f2d10e641c46585a1816fd6