Slab
stencil-hq/slab
Writing, editing, and rendering Slab documents (.slab) — the declarative design language for app screens, posters, terminal UIs, and interactive components.
A skill your agent uses when adding or changing what the rezolus viewer exposes — an /api/v1 endpoint, a dashboard section, the metric catalog, metadata/description derivation, or the frontend data…
Install Viewer Parity
$ npx skills add iopsystems/rezolus --skill viewer-parity -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install iopsystems/rezolus viewer-parity --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/iopsystems/rezolus.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.claude/skills/viewer-parity .claude/skills/viewer-parity && rm -rf skills-srcUse ~/.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/
Install the "viewer-parity" agent skill from https://github.com/iopsystems/rezolus/tree/main/.claude/skills/viewer-parity into .claude/skills/viewer-parity/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "viewer-parity", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/iopsystems/rezolus/tree/main/.claude/skills/viewer-parityType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add iopsystems/rezolus --skill viewer-parity -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install iopsystems/rezolus viewer-parity --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/iopsystems/rezolus.git skills-src && mkdir -p .agents/skills && cp -r skills-src/.claude/skills/viewer-parity .agents/skills/viewer-parity && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "viewer-parity" agent skill from https://github.com/iopsystems/rezolus/tree/main/.claude/skills/viewer-parity into .agents/skills/viewer-parity/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "viewer-parity", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add iopsystems/rezolus --skill viewer-parity -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install iopsystems/rezolus viewer-parity --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/iopsystems/rezolus.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/.claude/skills/viewer-parity .cursor/skills/viewer-parity && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "viewer-parity" agent skill from https://github.com/iopsystems/rezolus/tree/main/.claude/skills/viewer-parity into .cursor/skills/viewer-parity/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "viewer-parity", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/iopsystems/rezolus.git --path .claude/skills/viewer-parity--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add iopsystems/rezolus --skill viewer-parity -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install iopsystems/rezolus viewer-parity --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/iopsystems/rezolus.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/.claude/skills/viewer-parity .gemini/skills/viewer-parity && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "viewer-parity" agent skill from https://github.com/iopsystems/rezolus/tree/main/.claude/skills/viewer-parity into .gemini/skills/viewer-parity/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "viewer-parity", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install iopsystems/rezolus viewer-parityInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add iopsystems/rezolus --skill viewer-parity -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/iopsystems/rezolus.git skills-src && mkdir -p .github/skills && cp -r skills-src/.claude/skills/viewer-parity .github/skills/viewer-parity && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "viewer-parity" agent skill from https://github.com/iopsystems/rezolus/tree/main/.claude/skills/viewer-parity into .github/skills/viewer-parity/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "viewer-parity", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add iopsystems/rezolus --skill viewer-parity -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install iopsystems/rezolus viewer-parity --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/iopsystems/rezolus.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/.claude/skills/viewer-parity .opencode/skills/viewer-parity && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "viewer-parity" agent skill from https://github.com/iopsystems/rezolus/tree/main/.claude/skills/viewer-parity into .opencode/skills/viewer-parity/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "viewer-parity", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
viewer-parity- GitHub stars
- 275
- Token cost
- ~2.3k tokens
- SKILL.md length
- 1,140 words
- Files
- 1
- Skills in repo
- 11
- Repo updated
- First seen
- Licence
- Custom licence
At a glance
A skill your agent uses when adding or changing what the rezolus viewer exposes — an /api/v1 endpoint, a dashboard section, the metric catalog, metadata/description derivation, or the frontend data…
- Works in 4 steps: Put the logic in dashboard, call it from… → When a shell must differ, change both… → Most frontend changes hit both… → …
- Changing what the rezolus viewer exposes — an /api/v1 endpoint
- SKILL.md covers Overview, The one legitimate exception, Server route ↔ WASM method map and How to keep them in parity, plus 3 more sections
- Calls cargo
What it does
Viewer Parity is an agent skill from iopsystems/rezolus. Use when adding or changing what the rezolus viewer exposes — an /api/v1 endpoint, a dashboard section, the metric catalog, metadata/description derivation, or the frontend data those depend on — or when editing src/viewer/ or crates/viewer/, or reviewing a viewer change. The viewer ships as two separate Rust backends (server + WASM) behind one shared frontend; changing one silently diverges them.
Its SKILL.md is about 2.3k 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 Frontend & Design. It works with WebAssembly and Rust. The repository describes itself as: High-resolution, low-overhead systems and service telemetry.
When your agent uses it
- Changing what the rezolus viewer exposes — an /api/v1 endpoint
- A dashboard section
- The metric catalog
- Metadata/description derivation
Example prompts
- “/viewer-parity”
Workflow steps
4 steps, taken from the first numbered list in SKILL.md.
- Put the logic in dashboard, call it from both shells. The endpoint
- When a shell must differ, change both shells in the same PR. Adding a route
- Most frontend changes hit both automatically (symlinked assets) — but only
- Duplicated files are a hazard. Known hand-mirrored pairs: report_save.rs
What it can do on your machine
Read from SKILL.md and the folder at commit 4b6863a. 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
Shell commands in SKILL.md call:
cargo
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
Viewer Parity loads about 2.3k tokens when it runs. Until then it costs about 104 tokens; SKILL.md has 1,140 words of instructions outside code blocks.
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
Its licence (Custom licence) doesn't allow us to republish the file, so here is its outline and opening line. It has 1,140 words (~2,337 tokens).
“rezolus view ships as two backends behind one shared frontend:”
- name
- viewer-parity
Files
Just SKILL.md in .claude/skills/viewer-parity of iopsystems/rezolus.
Open the folder on GitHubat commit 4b6863a
Compare with similar skills
Viewer Parity 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.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Viewer Parity this skilliopsystems/rezolus | 275 | — | ~2.3k | Automated safety check: Pass | Custom licence | |
| Slabstencil-hq/slab | 112 | — | ~3.1k | Automated safety check: Pass | MIT | |
| Webapp Buildersidequery/sidemantic | 129 | — | ~5.5k | Automated safety check: Pass | AGPL-3.0 | |
| Asupersync Mega SkillDicklesworthstone/asupersync | 281 | — | ~2.9k | Automated safety check: Pass | Custom licence | |
| Build Fluentqt Guicalvinhxx/Fluent-Qt | 157 | — | ~1.6k | Automated safety check: Pass | MIT | |
| Crossbindcrossbind/crossbind | 148 | — | ~1.1k | Automated safety check: Pass | MIT |
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Works with
Categories
Questions about Viewer Parity
What does Viewer Parity do?
A skill your agent uses when adding or changing what the rezolus viewer exposes — an /api/v1 endpoint, a dashboard section, the metric catalog, metadata/description derivation, or the frontend data…. Viewer Parity is an agent skill from iopsystems/rezolus. Use when adding or changing what the rezolus viewer exposes — an /api/v1 endpoint, a dashboard section, the metric catalog, metadata/description derivation, or the frontend data those depend on — or when editing src/viewer/ or crates/viewer/, or reviewing a viewer change.
When should I use Viewer Parity?
Viewer Parity fits situations like: changing what the rezolus viewer exposes — an /api/v1 endpoint; A dashboard section; the metric catalog; metadata/description derivation.
How do I install Viewer Parity in Claude Code?
Run `npx skills add iopsystems/rezolus --skill viewer-parity -a claude-code`. Or copy the skill folder (.claude/skills/viewer-parity in iopsystems/rezolus) into .claude/skills/viewer-parity in your project. Claude Code loads it when a task matches its description.
How do I install Viewer Parity in Codex?
Run `npx skills add iopsystems/rezolus --skill viewer-parity -a codex`. Or copy the skill folder (.claude/skills/viewer-parity in iopsystems/rezolus) into .agents/skills/viewer-parity in your project. Codex loads it when a task matches its description.
Can I use Viewer Parity 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 iopsystems/rezolus --skill viewer-parity -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/viewer-parity, .gemini/skills/viewer-parity, .github/skills/viewer-parity and .opencode/skills/viewer-parity in your project.
What does Viewer Parity need to run?
Going by SKILL.md and its folder, Viewer Parity needs the command-line tools its instructions call (cargo).
Does Viewer Parity 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 Viewer Parity 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 Viewer Parity use?
Viewer Parity has a licence file (the repository's licence) that doesn't match a standard licence. Read it on GitHub before reusing the skill.
How many tokens does Viewer Parity use?
About 2.3k tokens (SKILL.md is roughly 9.3k 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 Viewer Parity?
Skills that share tags, products or a category with Viewer Parity: Slab (stencil-hq/slab, 112 stars), Webapp Builder (sidequery/sidemantic, 129 stars), Asupersync Mega Skill (Dicklesworthstone/asupersync, 281 stars) and Build Fluentqt Gui (calvinhxx/Fluent-Qt, 157 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Viewer Parity?
iopsystems (a GitHub organization) maintains it in iopsystems/rezolus, which has 275 GitHub stars. The repository holds 11 skills in this directory. The repository was last updated on October 8, 2026.
Source: iopsystems/rezolus on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.