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Mnemosyne MCP

Mnemosyne MCP

by zhadyz
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TypeScript
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delete_relations

Remove multiple relations from your knowledge graph memory by specifying the start entity, end entity, and relation type for each relation.

Instructions

Delete multiple relations from your Memento MCP knowledge graph memory

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "relations": "<relations>"
    },
    "name": "delete_relations"
  }
}

Input Schema

NameRequiredDescriptionDefault
relationsYesAn array of relations to delete

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.1.2

TDQS

B3.2/5.0
Behavior2/5

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

With no annotations provided, the description carries the full burden of behavioral disclosure. It only states the action without clarifying whether deletion is permanent, whether it is idempotent, or what response is returned. The word 'delete' implies mutation but lacks important safety and side-effect context.

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?

The description is a single concise sentence that front-loads the action and resource with no redundant or unnecessary information. Every word earns its place.

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

Completeness2/5

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

The description is minimal and lacks behavioral context for a destructive operation. It does not mention permanence, error handling, side effects, or return value expectations. With no output schema and no annotations, the description alone is insufficient for an agent to fully anticipate the operation's effects, especially given it is a delete action.

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

Parameters3/5

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

The input schema fully describes the single 'relations' parameter, including the nested fields from, to, and relationType, achieving 100% schema description coverage. The description adds no additional semantic meaning beyond what the schema already provides, so the baseline score of 3 is appropriate.

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 the verb 'Delete' and the resource 'multiple relations' within the Memento knowledge graph, making the tool's function immediately obvious. It also distinguishes itself from sibling tools like delete_entities, which targets entities, and delete_observations, which targets observations.

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

Usage Guidelines2/5

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

No guidance is provided on when to use this tool versus alternatives. It does not mention scenarios where this tool is preferred over delete_entities or when to avoid it, leaving the agent to infer usage context.

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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