9a37325717
OAuth+DCR (14): mixpanel, algolia, klaviyo, amplitude, gitlab, circleci, customer-io, omnisend, motherduck, strava, gamma, craft, wordpress-com, robinhood (trade-execution caution in post_install) No-auth (4): kiwi, trivago, alltrails, twilio-docs (search/read-only; kiwi+trivago link out for booking, no in-conversation payment) Probed and rejected: expedia, booking, uber, uber-eats, doordash, instacart, spotify, audible, resy, stubhub, lastminute, coinbase, posthog, dbt (all OAUTH_NO_DCR on the wire despite directory claims of DCR); tripadvisor (token-in-URL endpoint); binance, crypto-com, cash-app (policy: no in-chat trading/checkout beyond robinhood), autodesk-help (too niche), viator (alltrails preferred)