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Cubenest/rrweb-stack

by Various

Two OSS products on one rrweb substrate: tracelane (self-contained HTML test-failure replays for WDIO/Playwright/Cypress) + peek (browser companion for AI coding agents over MCP).

C

MCP

Cubenest/rrweb-stack

Added 15 June 2026

#ai-coding-agent #apache-2 #chrome-extension #claude-code #cursor #cypress #mcp #model-context-protocol

Overview

Provides two open-source tools built on rrweb: tracelane generates self-contained HTML replays of test failures for WDIO, Playwright, and Cypress, while peek acts as a browser companion for AI coding agents over MCP. Both tools are local-first with no telemetry or SaaS dependence.

Best for

Best for
Developers and teams needing local test failure replays or browser integration for AI agents without cloud services

Use cases

  • Debugging test failures with replayable HTML snapshots
  • Giving AI coding agents real-time browser context via MCP
  • Performing local, offline analysis of browser interactions

Notes

Provides two open-source tools built on rrweb: tracelane generates self-contained HTML replays of test failures for WDIO, Playwright, and Cypress, while peek acts as a browser companion for AI coding agents over MCP. Both tools are local-first with no telemetry or SaaS dependence.

3 stars on GitHub. Last updated 2026-06-15. Licensed Apache-2.0.

Use cases

  • Debugging test failures with replayable HTML snapshots
  • Giving AI coding agents real-time browser context via MCP
  • Performing local, offline analysis of browser interactions

Pros

  • Open source and free to use with no external dependencies
  • No telemetry or data leaving the local environment
  • Integrates with multiple test frameworks

Cons

  • Requires self-hosting and manual setup for each environment
  • Limited to the rrweb capture format for replay data
  • May have a learning curve for non-CLI users

Indexed from awesome-mcp-servers-punkpeye and enriched against its public facts.

Pros

  • Open source and free to use with no external dependencies
  • No telemetry or data leaving the local environment
  • Integrates with multiple test frameworks

Cons

  • Requires self-hosting and manual setup for each environment
  • Limited to the rrweb capture format for replay data
  • May have a learning curve for non-CLI users