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Neotoma

Neotoma

by markmhendrickson
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add_entity_message

Add a follow-up message to an entity's conversation thread using its root entity ID.

Instructions

Append a follow-up conversation_message to the thread for a submitted root entity (entity_id).

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": {
      "entity_id": "<entity_id>",
      "message": "<message>"
    },
    "name": "add_entity_message"
  }
}

Input Schema

NameRequiredDescriptionDefault
messageYesMessage body (markdown).
entity_idYesRoot submitted entity id.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Addedv0.15.0
  2. Removedv0.14.0
  3. Addedv0.12.1

TDQS

A3.8/5.0
Behavior3/5

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

With no annotations, the description carries the burden of behavioral disclosure. It indicates a write operation ('append') and adds context ('follow-up', 'submitted root entity'), but does not mention permissions, idempotency, or what happens if the entity is not submitted.

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 sentence that efficiently conveys the purpose and key details. No extraneous words or repetition.

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?

For a simple tool with two parameters and no output schema, the description covers the action and parameter roles. It assumes prior context (entity already submitted, thread exists), which is reasonable given the tool name. Minor gap: no mention of message size limits or handling.

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?

Schema coverage is 100% with adequate parameter descriptions. The tool description adds minor value by framing the message as a 'follow-up conversation' and connecting entity_id to a 'root entity', but does not significantly enhance meaning beyond the schema.

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 action ('Append a follow-up conversation_message'), the resource ('thread for a submitted root entity'), and references the key parameter 'entity_id'. It distinguishes from the sibling 'add_issue_message' by specifying it is for entities, not issues.

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

Usage Guidelines3/5

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

The description implies usage when a user wants to add a follow-up message to an entity's thread, but it does not explicitly state when to use this tool versus alternatives like 'add_issue_message'. No when-not or prerequisite guidance is provided.

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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