Allowed through
Current frame in browser memory
Conservative static-letter candidate
Local calibration and abstention state
Stopped at the boundary
Raw video upload
J or Z claims
Continuous-ASL claims
Automatic tutor routing
Integrations
Sign First is designed as an adapter layer: recognition candidates enter, confirmed intent leaves, and institution-selected models can change without replacing learner authority.
09 / Provider neutrality
One contract. Replaceable models.
Current frame in browser memory
Conservative static-letter candidate
Local calibration and abstention state
Raw video upload
J or Z claims
Continuous-ASL claims
Automatic tutor routing

Recognizer adapters
The current research bridge and browser-local fingerspelling specialist expose bounded candidates and abstention behavior. Neither is represented as reliable universal ASL translation.
Language models
The controlled route currently demonstrates Google Vertex Gemini. OpenAI, Anthropic, or other providers are architectural candidates, not claimed live integrations unless implemented and tested.
Connector surface
The repository includes an MCP route and integration-session boundary. Public connector listing and third-party review remain separate future work.
From one demo route to a stable contract
What exists
A working, certified control path anyone can inspect today.What unlocks
Bounded personalization and quieter assurance, as evidence and permission arrive.Where this goes
Direct signed access to approved AI, with authority always recoverable.Continue exploring