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4bf11d902f
Reddit's .json API rejects the wreq-Chrome TLS fingerprint with a 403 even from residential IPs. Their block list includes known browser-emulation library fingerprints. wreq-Firefox passes. The CLI `vertical` subcommand already forced Firefox; MCP `vertical_scrape` was still falling back to the long-lived `self.fetch_client` which defaults to Chrome, so reddit failed on MCP and nobody noticed because the earlier test runs all had an API key set that masked the issue. Switched vertical_scrape to reuse `self.firefox_or_build()` which gives us the cached Firefox client (same pattern the scrape tool uses when the caller requests `browser: firefox`). Firefox is strictly-safer-than-Chrome for every vertical in the catalog, so making it the hard default for `vertical_scrape` is the right call. Verified end-to-end from a clean shell with no WEBCLAW_API_KEY: - MCP reddit: 679ms, post/author/6 comments correct - MCP instagram_profile: 1157ms, 18471 followers No change to the `scrape` tool -- it keeps the user-selectable browser param. Bumps version to 0.5.3. |
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