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Language reference / system

Meaning and placement

infer

System prompt · the standing instruction, sent ahead of prompt: and unchanged by it. In the same object: max_tokens · model · prompt · schema · temperature · thinking · vision Schema source (use the pointer above)

agent

System prompt · the standing instruction, sent ahead of prompt: and unchanged by any turn of the loop. In the same object: images · max_tokens_total · max_turns · model · prompt · schema · skills · temperature · tools Schema source (use the pointer above)

In a source template

Excerpt from templates/agent-loop.nika, source lines 82–91. This is a fragment, not a runnable workflow.
illustration

Templates containing this field

These are literal key occurrences in the source files, not an execution or conformance claim. How to instantiate a template.

Contract and implementation

This page projects the named specification revision. Check released engine status and the validation workflow before running a file. An optional field is not evidence that every engine supports every value. Canonical identity: language:word:system. Spec revision: 5c40ba456c53. How documentation stays connected.