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Decision State MCP

Decision State MCP

by Koolercat
OverviewSchemaSourceRelated ServersDiscussionsAdmin
JavaScript
Local

Get Decision Session

get_session

Retrieves an active or specified session record containing decision-relevant state like goals, constraints, facts, and decisions.

Instructions

Return the active session or a requested session record.

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "get_session"
  }
}

Input Schema

NameRequiredDescriptionDefault
session_idNo

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

A3.5/5.0
Behavior3/5

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

With no annotations, the description should disclose behavioral traits. It states basic functionality (returning a session) but does not mention that it is read-only, any permissions needed, or behavior on missing session_id. Minimal but acceptable for a simple getter.

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?

A single, well-structured sentence that front-loads the purpose and uses no unnecessary words. Every part is essential.

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 the simplicity (one optional parameter, no output schema), the description covers the essential behavior. It could mention that the tool does not modify data, but that is implied by 'Return'.

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

Parameters4/5

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

Schema description coverage is 0%, so the description compensates by explaining that omitting session_id returns the active session while providing it returns a specific record. This adds significant meaning beyond the bare schema.

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

Purpose4/5

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

The description clearly states it returns a session record, either the active one or a specific one by ID. It distinguishes the retrieval purpose from sibling tools like 'record_decision' or 'update_state', but could be more explicit about overlap with other getters like 'get_state'.

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 like 'get_state' or 'get_task_context'. The description does not specify prerequisites or exclusions, leaving the agent to infer without context.

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

Deploy Server

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