Agent Webbridge vs Sidebutton
A side-by-side look at the Agent Webbridge and Sidebutton MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
A
Agent WebbridgeBrowser Automation · Local subprocess (stdio)Drive your real, logged-in Chrome (many profiles, parallel tabs) from any MCP client. Local only.59GoodAuth: not declaredVerdict: choose Agent Webbridge for browser automation work as a local process; choose Sidebutton for browser automation as a local process. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
AChoose Agent Webbridge when
- You need dedicated capabilities in the Browser Automation domain.
- You prefer a local stdio subprocess transport.
- You want tools like
navigate, find_tab, evaluate.
Choose Sidebutton when
- You need dedicated capabilities in the Browser Automation domain.
- You prefer a local stdio subprocess transport.
- You want tools like
run_workflow, get_run_log, list_workflows.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | A Agent Webbridge | |
|---|---|---|
| Category | Browser Automation | Browser Automation |
| Quality signal | 59/100 · Good | 52/100 · Good |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | Not declared | Not declared |
| Pricing | Not declared | Not declared |
| Required env vars | None listed | None listed |
| Verified owner | Community listing | Community listing |
| GitHub stars | 12 | 5 |
| Directory activity | 1 views 0 installs 0 upvotes | 0 views 0 installs 0 upvotes |
| Tools | 15 | 29 |
| Full listing | View Agent Webbridge | View Sidebutton |
Tools & capabilities
Agent Webbridge tools 15
navigateOpen a URL in a new or existing tabfind_tabLocate a tab by URL / titleevaluateRun JavaScript in the page, return the resultsnapshotAccessibility tree with stable `@e` element refsclickClick an element by `@e` ref (synthetic DOM click)trusted_clickReal mouse click (CDP, `isTrusted`) for pages that ignore `clickfillSet native inputs **and** `contenteditable` rich text fieldsuploadProgrammatically assign files to `<input type="file">file_chooser_interceptSuppress native OS file picker dialogs (Finder/Explorer) during programmatic uploadscreenshotCapture full-page or element screenshot directly to disksave_as_pdfSave the page as a PDFnetworkCapture network requests (`start`, `stop`, `list`, `detail`)- +3 more on the listing page
Sidebutton tools 29
run_workflowExecute a workflow by IDget_run_logGet execution log for a runlist_workflowsList all available workflowsget_workflowGet workflow YAML definitionlist_run_logsList recent workflow executionspublish_artifactPublish evidence (screenshots, reports) from a sessionget_browser_statusCheck browser extension connectioncapture_pageCapture selectors from current pagenavigateNavigate browser to URLsnapshotGet page accessibility snapshotclickClick an elementtypeType text into an element- +17 more on 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.
Agent Webbridge
{
"mcpServers": {
"agent-webbridge": {
"command": "npx",
"args": [
"-y",
"agent-webbridge"
]
}
}
}
Sidebutton
{
"mcpServers": {
"sidebutton": {
"command": "npx",
"args": [
"-y",
"sidebutton@latest"
]
}
}
}
Frequently asked questions
Agent Webbridge is categorized under Browser Automation and uses a local stdio subprocess. Sidebutton belongs to Browser Automation and uses a local stdio subprocess. Pick Agent Webbridge for browser automation work and Sidebutton 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.
Agent Webbridge has no declared pricing — check the project's own site. Sidebutton has no declared pricing — check the project's own site. 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 agent-webbridge and sidebutton as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Agent Webbridge has a quality signal of 59/100 (Good) with 1 views, 0 installs and 12 GitHub stars. Sidebutton has 52/100 (Good) with 0 views, 0 installs and 5 GitHub stars.
