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Official agent skill

Sync Backend

by NVIDIA in NVIDIA/Personal-AI-Router

Refresh services/ from upstream, resolve JSON-RPC drift, update contract docs, rebuild cli-bin, and verify.

OfficialApache-2.0Auto-check passedDevelopment

Install Sync Backend

skills CLI
$ npx skills add NVIDIA/Personal-AI-Router --skill sync-backend -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install NVIDIA/Personal-AI-Router sync-backend --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/NVIDIA/Personal-AI-Router.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/sync-backend .claude/skills/sync-backend && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
sync-backend
GitHub stars
1.6k
Token cost
~377 tokens
SKILL.md length
129 words
Files
1
Skills in repo
4
Repo updated
First seen
Licence
Apache-2.0

At a glance

Refresh services/ from upstream, resolve JSON-RPC drift, update contract docs, rebuild cli-bin, and verify.

  • Works in 7 steps: Change services/ in place. It is the… → From desktop/ → Review → …
  • The backend changed
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
  • The user asks to sync dhc-modular / services

What it does

Sync Backend is an agent skill from NVIDIA/Personal-AI-Router, published by the product's own GitHub organization. Refresh services/ from upstream, resolve JSON-RPC drift, update contract docs, rebuild cli-bin, and verify. Use when the backend changed or the user asks to sync dhc-modular / services.

Its SKILL.md is about 380 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Development. The repository describes itself as: Router that virtually distributes inference across connected devices in the home. The licence is Apache-2.0.

When your agent uses it

  • The backend changed
  • The user asks to sync dhc-modular / services

Example prompts

  • “/sync-backend”

Workflow steps

7 steps, taken from the first numbered list in SKILL.md.

  1. Change services/ in place. It is the authoritative checked-in source, so
  2. From desktop/
  3. Review
  4. For each changed component, read its README.md / spec.md and the Go
  5. Resolve drift in the bridge and docs, then rebuild
  6. Verify
  7. Commit services/ changes together with desktop integration edits.

What it can do on your machine

Read from SKILL.md and the folder at commit 4d1892b. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Sync Backend loads about 377 tokens when it runs. Until then it costs about 50 tokens; SKILL.md has 129 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~50
When it runs · the whole SKILL.md, loaded when a task matches
~377

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from NVIDIA/Personal-AI-Router at commit 4d1892b, republished under its Apache-2.0 licence (© NVIDIA). 129 words, ~377 tokens.

Download SKILL.mdSave it as .claude/skills/sync-backend/SKILL.md (or your agent's skills folder).
name
sync-backend
description
Refresh services/ from upstream, resolve JSON-RPC drift, update contract docs, rebuild cli-bin, and verify. Use when the backend changed or the user asks to sync dhc-modular / services.
disable-model-invocation
true
<!--
SPDX-FileCopyrightText: Copyright (c) 2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
SPDX-License-Identifier: Apache-2.0
-->

Sync services (backend)

In this monorepo the backend is the sibling services/ tree (authoritative checked-in source). Never invent a dhc-modular/ checkout inside desktop/.

Follow .cursor/rules/service-contracts.mdc and desktop/docs/services-backend.md.

Workflow

  1. Change services/ in place. It is the authoritative checked-in source, so there is no upstream import step.

  2. From desktop/:

    bash
    npm run service-contracts

  3. Review:

    • component version changes;
    • added or removed binaries;
    • missing notification consumers;
    • backend requests the bridge does not call.

  4. For each changed component, read its README.md / spec.md and the Go implementation. Go source is the contract.

  5. Resolve drift in the bridge and docs, then rebuild:

    bash
    npm run build:modular-binaries -- --force
npm run service-contracts:write
npm run typecheck
npm run test:unit

  6. Verify:

    bash
    npm run service-contracts:check

  7. Commit services/ changes together with desktop integration edits.

© NVIDIA, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in .agents/skills/sync-backend of NVIDIA/Personal-AI-Router.

Open the folder on GitHubat commit 4d1892b

Compare with similar skills

Sync Backend next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Sync Backend compared with similar skills
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Sync Backend this skillNVIDIA/Personal-AI-Router1.6k—~377Automated safety check: PassApache-2.0
Finishing a Development Branchobra/superpowers296k5 repos~1.9kAutomated safety check: PassMIT
Typescript Advanced Typesrolling-scopes/rsschool-app10k24 repos~4.2kAutomated safety check: PassMPL-2.0
PR Babysitteropeninterpreter/openinterpreter69k3 repos~4.2kAutomated safety check: PassApache-2.0
Code Review ChecklistshareAI-lab/learn-claude-code78k5 repos~1.1kAutomated safety check: PassMIT
Greplooponyx-dot-app/onyx32k4 repos~3.3kAutomated safety check: PassMIT

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Categories

Questions about Sync Backend

What does Sync Backend do?

Refresh services/ from upstream, resolve JSON-RPC drift, update contract docs, rebuild cli-bin, and verify. Sync Backend is an agent skill from NVIDIA/Personal-AI-Router, published by the product's own GitHub organization. Refresh services/ from upstream, resolve JSON-RPC drift, update contract docs, rebuild cli-bin, and verify.

When should I use Sync Backend?

Sync Backend fits situations like: the backend changed; the user asks to sync dhc-modular / services.

How do I install Sync Backend in Claude Code?

Run `npx skills add NVIDIA/Personal-AI-Router --skill sync-backend -a claude-code`. Or copy the skill folder (.agents/skills/sync-backend in NVIDIA/Personal-AI-Router) into .claude/skills/sync-backend in your project. Claude Code loads it when a task matches its description.

How do I install Sync Backend in Codex?

Run `npx skills add NVIDIA/Personal-AI-Router --skill sync-backend -a codex`. Or copy the skill folder (.agents/skills/sync-backend in NVIDIA/Personal-AI-Router) into .agents/skills/sync-backend in your project. Codex loads it when a task matches its description.

Can I use Sync Backend in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add NVIDIA/Personal-AI-Router --skill sync-backend -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/sync-backend, .gemini/skills/sync-backend, .github/skills/sync-backend and .opencode/skills/sync-backend in your project.

What does Sync Backend need to run?

SKILL.md names no scripts, command-line tools or credentials: Sync Backend is instructions for the agent only.

Does Sync Backend access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Sync Backend safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Sync Backend use?

Sync Backend is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Sync Backend use?

About 377 tokens (SKILL.md is roughly 1.5k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Sync Backend?

Skills that share tags, products or a category with Sync Backend: Finishing a Development Branch (obra/superpowers, 296k stars), Typescript Advanced Types (rolling-scopes/rsschool-app, 10k stars), PR Babysitter (openinterpreter/openinterpreter, 69k stars) and Code Review Checklist (shareAI-lab/learn-claude-code, 78k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Sync Backend?

NVIDIA (a GitHub organization, an official publisher) maintains it in NVIDIA/Personal-AI-Router, which has 1,566 GitHub stars. The repository holds 4 skills in this directory. The repository was last updated on October 6, 2026.

Source: NVIDIA/Personal-AI-Router on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.