Bind intent
Authorize one exact external effect and its preconditions.
Verified Effects · Founding beta
AI agents can act.
Prove what actually took effect.
TookEffect is the verified execution layer for consequential agent actions. It binds exact intent, executes under durable idempotency, reads authoritative state back, and returns evidence instead of trusting a successful API response.
Execute once
Claim the logical effect durably before mutation.
Read back
Observe the external system that actually represents truth.
Prove
Return APPLIED, NOT_APPLIED, or AMBIGUOUS with evidence.
First live Verified Effect
Verified Merge proves the primitive in production.
For GitHub merges, TookEffect pins the PR number, head SHA, base branch, merge method, checks policy, and idempotency key. A 2xx is not enough: APPLIED requires authoritative read-back and proof that GitHub's merge commit is contained in the destination branch.
The architecture is built to extend beyond GitHub. Verified Deployment is the next recommended Effect, but it will not be presented as live until its own authoritative E2E exists.
Agent accessREST + MCP
Live EffectVerified Merge
VerdictsApplied · Not · Ambiguous
EvidenceAuthoritative read-back
Founding beta
Do not let the mutation grade itself.
Give your agent a narrow execution boundary and keep the evidence.
Get TookEffect