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graph_add_edge

Adds a named link between two nodes.

Since 2 Sept 2026

Links a source node to a target node with a relation name.

Tool name: graph_add_edge
Group: Memory
Risk: low
Needs approval: never
Approval rule: No approval.
Allowed in scheduled jobs: No
Default: on

Parameters

Name	Type	Required	Default	Meaning	Limits
source	string	Yes		Node id the link starts from.
target	string	Yes		Node id the link points to.
relation	string	No	related	Name of the link, such as related.

Returns

A confirmation.

Example (made up for this page)

Call

{
  "target": "demo"
}

Result

Linked demo-project -> notes (related).

Side effects

Writes the graph JSON file.

How it can fail

When	What the agent sees
A node id is missing	An error text

See also:Memory tools

Checked against the source at commit f4fd89f on 29 Oct 2026. Everything here is merged on the main branch; no release has been tagged yet. The source is private, so these pages are the public description.