flowlens-mcp-server

by magentic · Developer Tools · ★ 108

flowlens-mcp-server is an MCP server by magentic. FlowLens is an open-source MCP server that gives your coding agent (Claude Code, Cursor, Copilot, Codex) full browser context for in-depth debugging and regression testing. It has 108 GitHub stars and ranks #537 of 2217 in Developer Tools by stars.

Category: Developer Tools
Author: magentic
GitHub stars: 108
This week: Tracking since 18 Oct 2026
Language: Python
License: Apache-2.0 (open source)
Last update: 2026-05-17 (5 months ago)
Links: Source Website

ai-agents
bug-reporter
chrome-extension
claude
claudecode
codex
cursor
debugging-tool
devtools
gemini-cli
mcp-server
vibe-coding

How to install flowlens-mcp-server

Install steps differ per project, so follow the README in the flowlens-mcp-server repository. Most MCP servers start with a single command (npx -y <package>, uvx <package> or a Docker image) that you add to your client's config. The install guide shows where that goes in Claude Code, Claude Desktop, Cursor and VS Code.

Also listed in

Maintain this project? Get it featured ($99/mo, pinned at the top of Developer Tools) or see what featuring includes.

Report a problem with this listing

Frequently asked questions

What is flowlens-mcp-server?

flowlens-mcp-server is an MCP server by magentic in the Developer Tools category. FlowLens is an open-source MCP server that gives your coding agent (Claude Code, Cursor, Copilot, Codex) full browser context for in-depth debugging and regression testing. It has 108 GitHub stars and ranks #537 of 2217 in Developer Tools by stars.

Is flowlens-mcp-server free and open source?

Yes. flowlens-mcp-server is published under the Apache-2.0 license, so you can run, modify and self-host it at no cost. If it connects to a paid service, that service's own pricing and API terms still apply. Check the repository for the exact license text before using it commercially.

What are the alternatives to flowlens-mcp-server?

Other Developer Tools projects on MCP Harbor include rea, storybook, context7. Each alternative links to its own page with stars, license and recent activity. The Developer Tools category ranks all 2217 by stars, and you can re-sort it by growth this week.

Alternatives to flowlens-mcp-server

reaTrending★ 374,738

morluto · TypeScript+72,150 stars this week (+23.8%)

Reverse engineer anything with agents, from app behavior down to native binaries.

storybook★ 91,361

storybookjs · TypeScript

Storybook is the industry standard workshop for building, documenting, and testing UI components in isolation

context7Trending★ 63,566

upstash · TypeScript+372 stars this week (+0.6%)

Context7 Platform -- Up-to-date docs for AI agents

GitNexus★ 48,013

abhigyanpatwari · TypeScript

GitNexus: The Zero-Server Code Intelligence Engine

codebase-memory-mcpTrending★ 47,372

DeusData · C+622 stars this week (+1.3%)

Local code intelligence for developers and AI agents. Connect code, docs and infrastructure in a persistent graph, with CBM Lens, MCP tools, agent integrations and change-aware test selection.

github-mcp-server★ 33,909

github · Go+219 stars this week (+0.7%)

GitHub's official MCP Server

All 2217 Developer Tools MCP servers →

Data last updated 25 October 2026. Stars and downloads are refreshed every day from GitHub and npm.