Context OS

The Context Layer for AI Agents.

Compile your raw documents, websites, and internal knowledge into an agent-ready knowledge base — verified, grounded, and always in sync. Verify something once, and it's reused for free from then on — so you never pay twice for the same answer.

Create account Quickstart $100 in free credits · no card required

Common use cases

AI Visibility

Control how ChatGPT, Perplexity, and Gemini represent your brand.

Knowledge Base

Ingest raw sources, compile a verified knowledge base, query it with any LLM.

Workflow Agents

Power call center, compliance, and support agents from one source of truth.

Start building

Create a Senso accountSign up and get $100 in free credits.→Get your API keyAuthenticate your agent against your knowledge base.→QuickstartPaste one prompt — your agent ingests, compiles, queries.→Senso CLIEvery command your agent can run.→Agent skillsHow skills work, and how to manage them.→

Hackathon winners

RatchetVerifies a bug fix once, then reuses it for 98% less the next time.→DeUnaOne verified answer becomes a permanent rule every future customer gets instantly.→ImmuneTurns a blocked prompt-injection attack into a reusable defense every agent inherits.→SwarmAdsTests ad campaigns in a simulated market, then reuses only the proven winners.→

Read the full write-up

More resources

API referenceFull reference for ingest, query, and generate endpoints.→ConceptsPipeline, vocabulary, and how it all fits together.→Brand KitVoice, tone, and writing rules for generated content.→Content TypesTemplates that shape every generation call.→AnalyticsWhat AI models said about you — mentions, share of voice, citations.→AuthenticationAPI key scoping, headers, and best practices.→PermissionsControl who can ingest, query, and generate.→

Also available

Run an AI Visibility audit

See how your brand shows up across ChatGPT, Perplexity, and Gemini.

Join the waitlist

White-label Senso

Embed Senso's context layer inside your own product.

Become a partner