synthesis-machine-sync SKILL.md skillA

synthesis-machine-sync from synthesisengineering/synthesis-skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add synthesisengineering/synthesis-skills/synthesis-machine-sync@v2.0.0

Pins v2.0.0 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
synthesisengineering/synthesis-skills
Path
skills/synthesis-machine-sync/SKILL.md
Versions recorded
4
Latest version
v2.0.0, committed Oct 6, 2026
First version recorded
Sep 20, 2026
Size
5,123 bytes
Repository stars
23
License
Apache-2.0

Move work between the principal's Macs and bring a Mac in or out: leave with synthesis handoff, arrive and resume, set up a new Mac, retire an old one. Use for: move work to another Mac, resume on another Mac, machine sync, bootstrap a new Mac, enroll a Mac, retire a Mac.

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

# Machine Sync

Keep the principal's Macs working as one system. Work moves; processes do not. Git remotes
carry project records and code, the iCloud sync folder carries config and credentials
(`synthesis-mac-sync`), and everything else is per Mac: each Mac has its own board, its own
sessions and its own claims.

## Binding rules

1. **Clean install only.** Never copy one Mac's `~/.synthesis`, board session files, harness caches or transcript caches onto another; shared state arrives only through its remote or the sync folder.
2. **Leave only when nothing claimed is stranded:** `synthesis handoff` per project, then the strand scan. Dirty, unpushed or upstream-less work means the move is not done, and nothing reports it ready.
3. **Arrive without overwriting:** never pull over uncommitted changes; list them and decide with the principal first.
4. **Resume from the records alone:** project files, git and this Mac's board. No step depends on which harness (Claude Code, Codex, Muse) picks the work up.
5. **Secrets travel only through the sync folder's sensitive files** (`chmod 600`), never through git, a board message, a log or a prompt.
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add synthesisengineering/synthesis-skills/synthesis-machine-sync@sha256:3720786482575416

The line at the top of this page pins the label v2.0.0, 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_og7fds2buvvjp6w3.svg)](https://markdownregistry.com/a/art_og7fds2buvvjp6w3)

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

Versions

The registry has recorded 4 versions of this file, between Sep 20, 2026 and Oct 6, 2026, about one every 5 days.

versioncommittedcommitsizeaudit
v2.0.0 latest2026-10-06 f6adc68 5,123 BA view · diff
v1.0.02026-09-20 589d27d 7,554 BB view · diff
v1.0.02026-09-20 1efe765 6,982 BA view · diff
v1.0.02026-09-20 1dffafa 6,623 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 (5123 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

synthesisengineering/synthesis-skills · 23 stars · license Apache-2.0 · pushed 2026-11-05 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_og7fds2buvvjp6w3
GET https://markdownregistry.com/api/v1/resolve?ref=synthesisengineering/synthesis-skills/synthesis-machine-sync
GET https://markdownregistry.com/api/v1/blob/3720786482575416ee831cc029a2696404dfdc06f52240f5e3f7ded85d3608ed

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 synthesisengineering/synthesis-skills

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