async-fixer vs Predictive Debugger
async-fixer is no longer listed on any marketplace we read: these are its last known data, as of 2026‑10‑18.
async-fixer is a plugin bundle for AI coding tools published by barnburner121. No marketplace we read lists it any more. Predictive Debugger is an MCP server published by SpeedosDK. Marketplaces we read that list it: 1 (Official MCP Registry). As of our marketplace pass on 2026-10-19. 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 |  Predictive Debugger | |
|---|---|---|
| Community marketplace barnburner121/claude-plugin-marketplace | Removed on 2026-10-18 Version: 1.0.0 Forks (GitHub): 0 Stars (GitHub): 3 Not marked · First seen |
Not listed |
| Official MCP Registry | Not listed | Listed Version: 0.9.0 Downloads/month (npm): 616 Downloads/week (npm): 49 Forks (GitHub): 0 Stars (GitHub): 2 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 | async-fixerno longer listed · | Predictive Debugger |
|---|---|---|
| Marketplaces that list it (differs) | 0 | 1 |
| Stars (GitHub) (differs) | 3 | 2 |
| Forks (GitHub) | 0 | 0 |
| Last release | Not published | Not published |
| Where it runs (differs) | On your machine (@barnburner121/plugin-hub-mcp) | On your machine (predictive-debugger) |
| Transport (differs) | Not stated | stdio |
| Tools it declares | Not published | Not published |
| Environment variables it asks for | Not published | Not published |
| Parts of the bundle (differs) | 2 | Not a bundle |
| Licence (differs) | MIT | Not stated |
| Repository (differs) | github.com/barnburner121/claude-plugin-marketplace | github.com/speedosdk/predictive-debugger |
| Changes in the last 7 days (differs) | 4 | 0 |
| First seen (differs) | 2026-10-14 | 2026-10-11 |
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.
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Systematically debug issues with step-by-step troubleshooting approaches.
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Prevent, catch, and verify architectural violations while Claude Code works.
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Debugging specialist for errors, test failures, and unexpected behavior. Use proactively when encountering any issues.
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Ask Claude Code to help you debug an issue
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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
async-fixer
Detect async/await anti-patterns and race conditions
Predictive Debugger
Predicts where JavaScript and TypeScript code will fail at runtime, for coding agents.
How to run each
async-fixer
No data for an automatic command: what its marketplaces declare does not say unambiguously how to connect it.
Predictive Debugger As a local MCP server: npm package
claude mcp add --transport stdio predictive-debugger -- npx -y predictive-debuggerCommands built only from what the marketplaces declare; the full set for every client is on each card.
Tools each declares
Neither one's marketplaces publish a list of tools, so there is nothing to compare.
Settings each asks for
Neither one's marketplaces publish the settings it asks for.
What it can do: async-fixer · What it can do: Predictive Debugger · Compare two other plugins
Data comes from public marketplace files in GitHub repositories of their authors. Data comes from the Official MCP Registry (registry.modelcontextprotocol.io), CC0 1.0. Figures come from our own regular passes over the marketplaces, last read on . We publish no contact details for plugin publishers.