Limits & rules

These are the limits and validation rules Agent Playground enforces.

Naming

Name	Maximum length	Cannot contain
Agent name	255 characters	No restriction
Node name	255 characters	. [ ] { }
Input name	100 characters	No restriction
Output name	100 characters	. [ ] { }

A name that breaks one of these rules can’t be saved.

Connections

Break any of these and the connection won’t attach.

Rule	Behavior
One source per input	An input accepts exactly one incoming connection; an output can feed any number of inputs
Direction	A connection always runs from an output to an input
Same version	Both connected nodes must belong to the same version
No loops	A connection cannot create a cycle, and a node cannot connect to itself

Agent Nodes

See Agent Node for what it is.

Breaking any of these means the node can’t be saved with that target.

Rule	Behavior
Version status	Points only at an active or inactive version of another agent, never a draft
Self-reference	Cannot point at the agent it belongs to
One version per target agent	All Agent Nodes in a version that point at the same target agent must point at the same version of it, for example Agent B v3, not v3 and v4 together
Cycles	Cannot form a cycle of Agent Nodes pointing at each other

Versions

Breaking any of these blocks the edit, the activation, or the run.

Rule	Behavior
Editable	Only the draft version can be edited
Running version	Exactly one version of an agent runs at a time
Minimum versions	The last remaining version of an agent cannot be removed
Output names	Two outputs left unconnected can’t share a name within the same version
Required inputs	Every node’s required inputs must be present

Runs

Statuses

Level	Possible statuses
Run	pending, running, success, failed, cancelled
Node step	pending, running, success, failed, skipped

Execution limits

Limit	Value
Concurrent nodes	Up to 10 nodes run at the same time, per run
Step attempts	A step is retried automatically, up to 3 attempts, before it’s marked failed
Step timeout	A step is cut off after 1 hour if it hasn’t finished

Lists

List	Page size
All lists	10 rows per page

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