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dma9527

irs-taxpayer-mcp

by dma9527

submit_feedback

Read-onlyIdempotent

Generate a pre-filled GitHub Issue URL to report tax calculation errors or data issues. Provide tax year, expected and actual results, then click the link to submit feedback.

Instructions

Generate a pre-filled GitHub Issue URL for reporting calculation errors or data issues. No data is sent. The user clicks the link to submit. Use this after verifying the user's inputs.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
actualNoWhat the tool returned
taxYearNoTax year
expectedNoWhat the user expected
toolNameYesWhich tool produced the issue (e.g., calculate_federal_tax)
descriptionYesBrief description of the issue

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
textYes
errorNo
isErrorYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changedv1.0.1
    • changedOutput schema / (root)
      Previous value: -nullNew value: +{
      +  "$schema": "http://json-schema.org/draft-07/schema#",
      +  "additionalProperties": false,
      +  "properties": {
      +    "error": {
      +      "additionalProperties": false,
      +      "properties": {
      +        "code": {
      +          "type": "string"
      +        },
      +        "message": {
      +          "type": "string"
      +        },
      +        "suggestion": {
      +          "type": "string"
      +        }
      +      },
      +      "required": [
      +        "code",
      +        "message",
      +        "suggestion"
      +      ],
      +      "type": "object"
      +    },
      +    "isError": {
      +      "type": "boolean"
      +    },
      +    "text": {
      +      "type": "string"
      +    }
      +  },
      +  "required": [
      +    "text",
      +    "isError"
      +  ],
      +  "type": "object"
      +}
  2. First observedv0.5.3

TDQS

A4.7/5.0
Behavior5/5

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

Annotations already declare readOnlyHint=true, idempotentHint=true, and destructiveHint=false. The description adds critical behavioral context beyond those: 'No data is sent' and 'The user clicks the link to submit,' preventing the agent from assuming the tool actually submits the issue.

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?

Three short sentences with no filler. The primary purpose is front-loaded, followed by the behavioral caveat ('No data is sent') and the usage instruction. Every sentence earns its place.

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

Completeness5/5

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

For a simple URL-generating tool, the description covers purpose, key behavioral caveat, and usage timing. With an output schema present, return-value details are already handled, and the annotations cover safety. Nothing essential is missing.

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 description coverage is 100%, so all five parameters are already documented. The description implies these fields become part of the pre-filled URL but adds no per-parameter meaning beyond the schema, so the baseline 3 applies.

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 states a specific verb ('Generate'), a specific resource ('pre-filled GitHub Issue URL'), and the domain ('reporting calculation errors or data issues'). It clearly distinguishes this from all the sibling tax-calculation tools, which do not generate URLs.

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?

It explicitly says 'Use this after verifying the user's inputs,' giving a concrete condition for when to invoke the tool. The description also clarifies that it is for error/data-issue reporting, which distinguishes it from calculation tools without naming a direct alternative.

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