AI agents read TraceBug bug reports (console, network, replay, repro timeline) from local disk.
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io.github.prashantsinghmangat/tracebug is an MCP server that AI agents read TraceBug bug reports (console, network, replay, repro timeline) from local disk. Its tool list has not been published yet over stdio, sse and http, requires no API key, and scores 57/100 on MCPpedia's security, maintenance and efficiency rubric.
Config is the same across clients — only the file and path differ.
{
"mcpServers": {
"io-github-prashantsinghmangat-tracebug": {
"args": [
"-y",
"tracebug"
],
"command": "npx"
}
}
}Are you the author?
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Local-first, zero backend. One .html file — full replay, console errors, network requests, repro timeline — that your AI coding agent reads over MCP and fixes. Opens offline for humans too.
Run this in your terminal to verify the server starts. Then let us know if it worked — your result helps other developers.
npx -y 'tracebug' 2>&1 | head -1 && echo "✓ Server started successfully"
After testing, let us know if it worked:
Five weighted categories — click any category to see the underlying evidence.
No known CVEs.
Checked tracebug against OSV.dev.
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Capture the bug. Let AI fix it.
Local-first, zero backend. One .html file — full replay, console
errors, network requests, repro timeline — that your AI coding agent reads over
MCP and fixes. Opens offline for humans too.
▶ Watch the 15-second demo · watch Claude debug a real bug · try it live in the sandbox
TraceBug is a local-first debugging assistant. Capture a bug → produce a single self-contained .html file → hand it to your AI coding agent (Claude Code, Cursor, Windsurf), which reads the evidence over a local MCP server and fixes it — or email/Slack it to a human dev who opens it offline. Every report also embeds a failing test the agent runs to verify the fix.
Every report opens with:
🔍 Possible Cause (high confidence): API POST /orders failed with 500 after clicking 'Place Order'
> TL;DR: TypeError thrown on /checkout when clicking 'Place Order' button
No accounts. No SaaS lock-in. Data stays in your browser by default.
Optional cloud sharing (built, UI-gated off by default): if you'd rather share a URL than a file, sign in once and get a share link with the same content. The code ships behind a feature flag (PHASE2-CLOUD); the Share button stays disabled until the portal is switched on. Local .html export is the supported sharing path today.
Works with any frontend framework: React, Angular, Vue, Next.js, Nuxt, Vite, Svelte, SvelteKit, Remix, Astro, or plain HTML.
New here? Report your first bug in 2 minutes →
npx tracebug init
That's it. The CLI detects your framework and prints the exact 2-line snippet. Paste it into your app, run npm run dev, and you'll see the TraceBug toolbar on the right edge.
Report a bug in 2 clicks:
Ctrl+Shift+B (or click the ⚡ button on the toolbar)Tester opens the page
↓
Arm a session (idle until you act):
• ⚡ Quick Bug — Ctrl+Shift+B opens the ticket-review modal
• 📷 Screenshot / Region
• 🔴 Record — Sentry mode: rolling video buffer + HUD with timestamped
comments. File
... [View full README on GitHub](https://github.com/prashantsinghmangat/tracebug-ai#readme)