Support
Questions, bugs and ideas: support@solvemybizz.org.
A bug report helps most with:
- your Chrome version (
chrome://version) and Toolbench's version (chrome://extensions); - the page's address, if it is public;
- a session bundle: Logs → Bundle saves the tab's tools, runs, conversation and logs to one file. Keys and secrets are removed, but please look through it before sending it.
Getting started
- Use Chrome 155 or later.
-
Open
chrome://flags/#enable-webmcp-testing, set it to Enabled and relaunch Chrome. - Open a page with WebMCP tools, such as the demo page, and click the Toolbench icon in the toolbar. The side panel opens.
- To use the agent, pick an AI provider in Settings and add its API key. Everything else works without one.
Common problems
The panel shows no tools
Check that WebMCP is turned on (step 2 above) and that the page registers tools. Settings → Data → Show the welcome screen checks your Chrome version and whether WebMCP is on for the current page.
"Allow Toolbench on this site"
You limited the extension's site access in Chrome. Click Allow in the panel, or change Site access in Chrome's settings for the extension.
A page can't be inspected
Chrome doesn't let extensions run on chrome:// pages or the Chrome Web Store.
For local files, turn on Allow access to file URLs for WebMCP Toolbench in
chrome://extensions.
The agent can't reach the provider
Check the API key and the model under Settings → AI provider; Check tool calling tests both. Settings → Network lists every address Toolbench contacted or blocked. A local server must accept requests from extensions (CORS), or be allowed under its address in Settings.
Voice doesn't start
Voice needs a Gemini API key, saved under Settings → AI provider → Google Gemini. Chrome can't ask for the microphone inside a side panel, so Settings → Voice → Allow microphone opens a tab that asks once.
Chrome built-in AI says it isn't available
The on-device model needs a capable computer and a one-time download. Settings shows whether your computer can run it, and has a button to download it.
Deleting your data
Settings → Data → Clear all data, or uninstall the extension. See the privacy policy for what is kept.