flowlens-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.
103stars
6forks
Python
Added 1/14/2026
AI Agentsai-agentsbug-reporterchrome-extensionclaudeclaudecode
Installation
# Add to your Claude Code skills
git clone https://github.com/magentic/flowlens-mcp-serverFlowLens MCP
flowlens-mcp-server gives your coding agent (Claude Code, Cursor, Copilot, Codex) full browser context for in-depth debugging and regression testing.
How it works
- Record your browser flow using the FlowLens Chrome extension (user actions, network, console, storage, DOM events/screen recording).
- Share it with your coding agent via the FlowLens MCP server, giving the agent full access to the recording.
- Your agent inspects and analyzes the flow for debugging and insights — without spending time/tokens on reproducing the issue.
Demo
Requirements
- FlowLens browser extension add to chrome and pin for ease of use
- pipx
Getting Started
To install:
pipx install flowlens-mcp-server
To upgrade to the latest version:
pipx upgrade flowlens-mcp-server
To check that the installation was successfully:
flowlens-mcp-server
Add FlowLens MCP server
Add the following config to your MCP client (ex: ~/.claude.json) under mcpServers:
"flowlens": {
"command": "flowlens-mcp-server",
"type": "stdio"
}
MCP Client configuration
claude mcp add flowlens --transport stdio -- flowlens-mcp-server
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