Model Fieldnotes / The Fieldbook
Agent reliability,
one failure at a time.
A practical fieldbook for engineers taking agents beyond the demo. Understand a failure, inspect a repair, and decide what to test in your own system.
Retrying without duplicate actions
A lost response leaves an uncertain caller and a completed action. Follow the retry, inspect the duplicate, and see what an idempotency contract changes.
Agent Explainer · Revision 1Keeping constraints through compaction
Follow a draft-only instruction through a shortened conversation. See why retained constraints help, and why permissions must still enforce the boundary.
Agent Explainer · Revision 1Verifying completion before saying “done”
A tool can accept a request before the result exists. Separate acceptance, pending work, and completion before telling the user the task is finished.
Agent Explainer · Revision 1What you can learn here
These are deterministic, rule-based simulations. They expose a failure mechanism and the effect of one repair under explicit assumptions. They do not use live models or measure model performance.
Each guide separates the simulated outcome from production considerations. Retaining instructions does not guarantee compliance; permissions must independently constrain actions. The Agent Explainer project remains in public beta.
Suggest a correction or a failure to explore