Zen vs workflow-builder
Zen is an MCP server published by BeehiveInnovations. Marketplaces we read that list it: 1 (Docker MCP Catalog). workflow-builder is a plugin bundle for AI coding tools published by Alireza Rezvani. Marketplaces we read that list it: 1 (Community GitHub marketplaces). As of our marketplace pass on 2026-10-15. This pair was picked by a reader, not by our comparison rule, so search engines are asked not to index the page.
Where each is published
| Marketplace |  Zen | |
|---|---|---|
| Docker MCP Catalog | Listed Version: sha256:02cbe1d325db Forks (GitHub): 1 036 Pulls (Docker Hub): 34 879 Stars (Docker Hub): 0 Stars (GitHub): 11 784 Not marked · First seen |
Not listed |
| Community marketplace alirezarezvani/claude-skills | Not listed | Listed Version: 1.0.0 Forks (GitHub): 3 939 Stars (GitHub): 28 149 Not marked · First seen |
Each figure is the marketplace's own and is never added up across marketplaces. A marketplace that publishes no figure shows none: no number is not zero.
The facts side by side
| Fact | Zen | workflow-builder |
|---|---|---|
| Marketplaces that list it | 1 | 1 |
| Stars (GitHub) (differs) | 11 784 (worse) | 28 149 (better) |
| Pulls (Docker Hub) (differs) | 34 879 | No figure on Docker Hub |
| Forks (GitHub) (differs) | 1 036 (worse) | 3 939 (better) |
| Last release | Not published | Not published |
| Where it runs (differs) | On your machine (mcp/zen) | Installs as a plugin bundle |
| Transport (differs) | stdio | Not stated |
| Tools it declares (differs) | 18 | Not published |
| Environment variables it asks for (differs) | 4, secrets among them: 4 | Not published |
| Parts of the bundle (differs) | Not a bundle | 3 |
| Licence (differs) | NOASSERTION | MIT |
| Repository (differs) | github.com/beehiveinnovations/zen-mcp-server | github.com/alirezarezvani/claude-skills |
| Changes in the last 7 days (differs) | 0 | 2 |
| First seen (differs) | 2026-10-11 | 2026-10-14 |
Lines where the two differ have a tinted background and bold values. Where the data itself says which value is better (more marketplaces, a larger figure of the same marketplace, a fresher release, a verified mark on a marketplace that lists both), the better one is also marked green with ▲ and the worse one red with ▼. Where it runs, the transport, the tools, the settings, hooks, the bundle's parts, the licence and the week's changes are marked only as different: more or fewer is not better in itself.
What each says it does
Zen
Bridges multiple AI models and CLIs, enabling orchestrated workflows across Claude Code, Gemini CLI, Codex CLI, and other AI development tools.
workflow-builder
Workflow-builder skill: design and write deterministic multi-agent workflow scripts (.js files in .claude/workflows/) for Claude Code's Workflow tool (CLAUDE_CODE_WORKFLOWS=1, /workflows). Every session opens with an intake question set; when the user is vague, a stdlib recommendation engine infers and proposes a topology with rationale instead of stalling. Ships 3 stdlib Python tools (intake recommendation engine, .js validator enforcing pure-literal-meta / no-non-determinism / guarded-loop / parallel-thunk rules, topology scaffolder), 3 references citing 7-8 authoritative sources each (API surface, orchestration patterns, decision + intake guide), templates + a runnable example, cs-workflow-architect persona agent + /cs:workflow-build slash command. Use when building, scaffolding, or running a custom Claude Code workflow or orchestrating sub-agents (fan-out, pipeline, loop, judge-panel).
How to run each
Zen As a local MCP server: Docker image
claude mcp add --env "GEMINI_API_KEY=<YOUR_GEMINI_API_KEY>" --env "OPENAI_API_KEY=<YOUR_OPENAI_API_KEY>" --env "OPENROUTER_API_KEY=<YOUR_OPENROUTER_API_KEY>" --env "XAI_API_KEY=<YOUR_XAI_API_KEY>" --transport stdio zen -- docker run -i --rm -e GEMINI_API_KEY -e OPENAI_API_KEY -e OPENROUTER_API_KEY -e XAI_API_KEY mcp/zenRequires: GEMINI_API_KEY (secret), OPENAI_API_KEY (secret), OPENROUTER_API_KEY (secret), XAI_API_KEY (secret)
workflow-builder As a Claude Code plugin
/plugin marketplace add alirezarezvani/claude-skills
/plugin install workflow-builder@claude-code-skillsCommands built only from what the marketplaces declare; the full set for every client is on each card.
Tools each declares
The marketplaces of workflow-builder publish no list of tools, so we do not compare tools.
Settings each asks for
The marketplaces of workflow-builder publish no settings it asks for, so we do not compare settings.
What it can do: Zen · What it can do: workflow-builder · Compare two other plugins
Data comes from the Docker MCP Catalog (desktop.docker.com/mcp/catalog) and Docker Hub. Data comes from public marketplace files in GitHub repositories of their authors. Figures come from our own regular passes over the marketplaces, last read on . We publish no contact details for plugin publishers.