Add webmcpevals binary for live WebMCP tool schema loading#20
Merged
Conversation
Introduces a new `webmcpevals` binary that, instead of loading tool schemas from a local JSON file, launches Chrome Canary and retrieves them live from a page via `navigator.modelContextTesting.listTools()`. New files: - src/bin/webmcpevals.ts: CLI entry point accepting --url and --evals - src/browser/webmcp.ts: browser automation via puppeteer-core; launches Chrome Canary with --enable-features=WebMCPTesting, navigates to the URL, calls the WebMCP API, and maps results to Tool[] Modified files: - src/types/config.ts: add WebmcpConfig type (url instead of toolSchemaFile) - src/report/report.ts: add renderWebmcpReport and renderWebmcpConfiguration - package.json: add puppeteer-core dependency - README.md: document webmcpevals usage and arguments
Merged
Added a new section on moving beyond screen scraping with links to an article and code.
Adding 'Moving Beyond Screen Scraping' example
Introduces a new `webmcpevals` binary that, instead of loading tool schemas from a local JSON file, launches Chrome Canary and retrieves them live from a page via `navigator.modelContextTesting.listTools()`. New files: - src/bin/webmcpevals.ts: CLI entry point accepting --url and --evals - src/browser/webmcp.ts: browser automation via puppeteer-core; launches Chrome Canary with --enable-features=WebMCPTesting, navigates to the URL, calls the WebMCP API, and maps results to Tool[] Modified files: - src/types/config.ts: add WebmcpConfig type (url instead of toolSchemaFile) - src/report/report.ts: add renderWebmcpReport and renderWebmcpConfiguration - package.json: add puppeteer-core dependency - README.md: document webmcpevals usage and arguments
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
3 participants
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
Introduces a new
webmcpevalsbinary that, instead of loading tool schemas from a local JSON file, launches Chrome Canary and retrieves them live from a page vianavigator.modelContextTesting.listTools().New files:
Modified files: