Decide what to build.In about twelve minutes.

Skip the weeks of vendor comparisons, half-trusted blog posts, and architecture arguments. Describe your system in plain words and TESSAR returns a complete, defensible design package: one named architecture, the alternatives we rejected and why, a monthly cost envelope, sequence diagrams, an ADR log, and a failure-modes table — every recommendation cross-checked against a curated knowledge base and cited to a source you can open. Engineered to brief a team, survive a design review, and shorten the gap between idea and building.

• Not a chatbot guess
• Source-cited, always
• One named architecture