DAIS 2026 field note
Concord
A semantic contract layer for agent-initiated work.
Durable execution tells you what ran. Concord records what the action meant, who authorized it, which systems it touched, and how to undo it when something goes sideways.
contract surface
Agentproposes intent
Policychecks authority
Runtimeexecutes durably
Ledgerkeeps meaning
One command shape across agent loops, deterministic jobs, connector calls, approvals, artifacts, memory, and compensation.
Layer
Contract, not runtime
Default runtime
DBOS, with Temporal as adapter
System of record
Postgres domain events
Three-post path
Read this in one sitting
01
Why agents need a contract
Durability preserves execution. It does not preserve intent. This piece frames the gap Concord closes.
Read part 1 02Contract, not runtime
Draws the boundary between Concord, DBOS, LangGraph, OPA, OTel, and Postgres with interactive demos.
Read part 2 03A day in the life
Traces a hotel booking end to end, then toggles between full Concord, minimal Concord, and no contract.
Read part 3
Deeper material
Architecture and worked examples
Reference cases