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mcasdfgf

MCP Roo Memory

graph_delete_node

Removes a node and its vector from the graph. Optionally cascade delete all child nodes. Use with caution; supersede is recommended for preserving history.

Instructions

Delete a node and its vector from Qdrant. With cascade=true, also deletes all child nodes (subtree). Use with caution — prefer graph_supersede (stale) for history preservation.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
node_idYes
cascadeNoCascade delete all child nodes
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations provided, but description explicitly states destructive action and cascade behavior, with a cautionary note. Could be more explicit about side effects on relations but sufficiently transparent.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two concise sentences, front-loaded with core purpose, followed by usage guidance. No unnecessary words.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given simple tool with no output schema and few parameters, description covers purpose, behavior, and alternative. Missing details like return value but not critical for understanding tool's function.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters2/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 50% and description adds no new parameter semantics beyond what schema already provides for cascade; node_id has no description in schema or description.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it deletes a node and its vector from Qdrant, distinguishing it from sibling tool graph_supersede which preserves history.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly advises using graph_supersede for history preservation, providing clear when-to-use and when-not-to-use guidance.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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