cairn-direction SKILL.md skillA

cairn-direction from isaacriehm/cairn is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add isaacriehm/cairn/cairn-direction@git:20260726.fcc67fb

Pins git:20260726.fcc67fb in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
isaacriehm/cairn
Path
packages/cairn-plugin/skills/cairn-direction/SKILL.md
Versions recorded
2
Latest version
git:20260726.fcc67fb, committed Jul 26, 2026
First version recorded
Jul 6, 2026
Size
15,164 bytes
Repository stars
6
License
MIT

Spec-tightener + subagent dispatcher. Engage on code-change asks — verbs, bug reports, observations. Pivot-aware on active tasks.

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

# Skill: cairn-direction

## Host portability

This skill is shared by Claude Code, Cursor, and Codex. Resolve Cairn MCP
tools with the host's native discovery mechanism. `AskUserQuestion` means the
host's structured question UI; if unavailable, ask the same concise A/B/C
question in chat and pause. Dispatch plans use the host's native subagent
tool. When a named Cairn role is required, read its brief under
`../../agents/` and pass that brief to the native subagent; execute inline
only when the host has no subagent capability.

Convert loose operator prompts into tightened specs + dispatched
work. Long-form playbooks live in `docs/PLUGIN_ARCHITECTURE.md` §11
(rejection capture, pivot, mission scope, dispatch block,
autonomous continuation) and §14 (question quality). This file is
the entry-point summary.

## Step 0 — preload deferred tools (REQUIRED FIRST)

Preload only the WRITE + judgment tools. The read-only context tools
(`cairn_in_scope`, `cairn_canonical_for_topic`, `cairn_components_in_scope`,
`cairn_component_get`, `cairn_mission_get`, `cairn_search`) are no longer
preloaded — the server now injects your frame for you:
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add isaacriehm/cairn/cairn-direction@sha256:5e35b565ebcf1c82

The line at the top of this page pins the label git:20260726.fcc67fb, 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_6jzhr6hlphhh7zw2.svg)](https://markdownregistry.com/a/art_6jzhr6hlphhh7zw2)

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

Versions

The registry has recorded 2 versions of this file, between Jul 6, 2026 and Jul 26, 2026, about one every 21 days.

versioncommittedcommitsizeaudit
git:20260726.fcc67fb latest2026-07-26 fcc67fb 15,164 BA view · diff
git:20260706.8fbc4d12026-07-06 8fbc4d1 14,630 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 (15164 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

isaacriehm/cairn · 6 stars · license MIT · pushed 2026-10-07 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_6jzhr6hlphhh7zw2
GET https://markdownregistry.com/api/v1/resolve?ref=isaacriehm/cairn/cairn-direction
GET https://markdownregistry.com/api/v1/blob/5e35b565ebcf1c8268083e9f766f81057230bbff9226d4ac390c93de17240cdb

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 isaacriehm/cairn

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