Tracebug MCP Server

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.

People connecting this server to Claude, Cursor, VS Code, or another MCP client. The project is written in JavaScript.

VERIFIED ACTIVE

LAST COMMIT 2026-07-31 · ★ 3 · #314 OF 848 MAINTAINED OTHER · VERIFIED 2026-08-25

MIT · JavaScript servers · how we verify → /methodology

01 · Install Tracebug

before you install - you'll need

The README does not document required environment variables for a basic install.

Claude Code

claude mcp add prashantsinghmangat-tracebug-ai -- npx -y tracebug

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "prashantsinghmangat-tracebug-ai": {
      "command": "npx",
      "args": [
        "-y",
        "tracebug"
      ]
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as local process (stdio) - runs on your machine with your user's permissions

license MIT - declared in the repository

npm package tracebug - unscoped; check the name against the project README before installing

registry namespace io.github.prashantsinghmangat is GitHub-verified and matches the repo owner

03 · What Tracebug can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

Latest releases

v1.10.1 · 2026-07-29

The store-readiness release. TraceBug 1.10.x brings the Firefox extension (128+), eviction-proof saved tickets, and a full pre-launch hardening pass. · Highlights · Firefox extension - builds from the same source as…

v1.9.0 · 2026-07-23

TraceBug 1.9.0 - the fix-loop release · Until now a TraceBug report was evidence an agent could read. In 1.9 it becomes something an agent iterates against: run the generated failing test → patch → re-run until green.…

04 · Who maintains Tracebug

tracebug is maintained by prashantsinghmangat. It's the only MCP server we track from this author; the repo dates to Mar 2026.

05 · Facts

category
other - ranked #314 of 848 actively-maintained other servers as of 2026-08-25.
release cadence
2 releases in the last 90 days (latest 2026-07-29)
registry
io.github.prashantsinghmangat/tracebug (active, first published 2026-07-21 · 2 versions)
packages
npm:tracebug

06 · Tracebug FAQ

What is Tracebug?

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.

Is Tracebug still maintained?

Yes - as of 2026-08-25, its last commit was 2026-07-31 and it shipped 2 releases in the last 90 days. We re-verify nightly.

How do I install Tracebug?

Run `npx -y tracebug`. The README does not document required environment variables for a basic install. You can also paste the ready-made client config above.

Does Tracebug run locally?

Yes - it's a stdio server: it runs on your machine (via npx) with your user's permissions. Your data stays local unless the server itself calls external APIs.

07 · Alternatives to Tracebug

More MCP servers to compare · Context Bridge · reMarkable MCP Server (Read/Write) · Freshcontext · Printr · Prism MCP

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