Effect vs async-fixer
async-fixer is no longer listed on any marketplace we read: these are its last known data, as of 2026‑10‑18.
Effect is an MCP server published by tim-smart. Marketplaces we read that list it: 1 (Docker MCP Catalog). async-fixer is a plugin bundle for AI coding tools published by barnburner121. No marketplace we read lists it any more. As of our marketplace pass on 2026-10-18. A plugin in this pair is no longer listed on any marketplace we read, so search engines are asked not to index the page.
Where each is published
| Marketplace |   Effect | |
|---|---|---|
| Docker MCP Catalog | Listed Version: sha256:a0e077abc890 Forks (GitHub): 13 Pulls (Docker Hub): 12 933 Stars (Docker Hub): 0 Stars (GitHub): 238 Not marked · First seen |
Not listed |
| Community marketplace barnburner121/claude-plugin-marketplace | Not listed | Removed on 2026-10-18 Version: 1.0.0 Forks (GitHub): 0 Stars (GitHub): 3 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 | Effect | async-fixerno longer listed · |
|---|---|---|
| Marketplaces that list it (differs) | 1 | 0 |
| Stars (GitHub) (differs) | 238 | 3 |
| Pulls (Docker Hub) (differs) | 12 933 | No figure on Docker Hub |
| Forks (GitHub) (differs) | 13 | 0 |
| Last release | Not published | Not published |
| Where it runs (differs) | On your machine (mcp/effect-mcp) | On your machine (@barnburner121/plugin-hub-mcp) |
| Transport (differs) | stdio | Not stated |
| Tools it declares (differs) | 2 | Not published |
| Environment variables it asks for | Not published | Not published |
| Parts of the bundle (differs) | Not a bundle | 2 |
| Licence | MIT | MIT |
| Repository (differs) | github.com/tim-smart/effect-mcp | github.com/barnburner121/claude-plugin-marketplace |
| Changes in the last 7 days (differs) | 0 | 4 |
| First seen (differs) | 2026-10-11 | 2026-10-14 |
Lines where the two differ have a tinted background and bold values. No value is marked better or worse: a plugin no marketplace lists any more is shown with its last known data, which we do not rank against current figures.
What to use instead of async-fixer
Plugins still listed whose own names, descriptions, tools and skills are closest in meaning to it. Comparable, not endorsed.
-
Systematically debug issues with step-by-step troubleshooting approaches.
-
Prevent, catch, and verify architectural violations while Claude Code works.
-
Debugging specialist for errors, test failures, and unexpected behavior. Use proactively when encountering any issues.
-
Ask Claude Code to help you debug an issue
-
Predicts where JavaScript and TypeScript code will fail at runtime, for coding agents.
-
Plugin description Code quality review plugin based on Frontend Fundamentals 4 principles (readability, predictability, cohesion, coupling). Supports React and Angular with…
What each says it does
Effect
Tools and resources for writing Effect code in Typescript.
async-fixer
Detect async/await anti-patterns and race conditions
How to run each
Effect As a local MCP server: Docker image
claude mcp add --transport stdio effect-mcp -- docker run -i --rm mcp/effect-mcpasync-fixer
No data for an automatic command: what its marketplaces declare does not say unambiguously how to connect it.
Commands built only from what the marketplaces declare; the full set for every client is on each card.
Tools each declares
The marketplaces of async-fixer publish no list of tools, so we do not compare tools.
Settings each asks for
Neither one's marketplaces publish the settings it asks for.
What it can do: Effect · What it can do: async-fixer · 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.