A side-by-side look at the A11y Check and Browser MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose A11y Check for browser automation work as a local process; choose Browser for browser automation. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose A11y Check when
You need dedicated capabilities in the Browser Automation domain.
No tool names declared yet. Check the project README from the listing page.
Browser tools
No tool names declared yet. Check the project README from the listing page.
Ready-to-paste client configs
Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
No confirmed install command for Browser yet — follow the setup steps linked from its listing page rather than a guessed package name.
Frequently asked questions
A11y Check is categorized under Browser Automation and uses a local stdio subprocess. Browser belongs to Browser Automation and uses an install path we have not confirmed yet. Pick A11y Check for browser automation work and Browser for browser automation.
Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client. Browser has no confirmed install command yet — follow its own setup instructions.
A11y Check has no declared pricing — check the project's own site. Browser is listed as free. Auth: no auth required. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.
Yes. MCP clients support multiple servers: add a11y-check and lightpanda-io-browser as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, A11y Check has a quality signal of 41/100 (Fair) with 1 views, 0 installs and 3 GitHub stars. Browser has 43/100 (Fair) with 0 views, 0 installs and 36,641 GitHub stars.