ALK Compliance MCP

Form 5500 filing check

form_5500_check

Read-only

Checks whether an employee benefit plan likely needs a Form 5500 and when it is due (last day of the 7th month after plan year end; Form 5558 extension), with the small unfunded/insured welfare plan exemption flag. Cites IRS and DOL rules and links the ALK Benefits Compliance Desk. Read-only, not legal advice.

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": {
      "plan_type": "<plan_type>",
      "plan_year_end": "<plan_year_end>"
    },
    "name": "form_5500_check"
  }
}

Input Schema

Name	Required	Description
`plan_type`	Yes	retirement (401k, pension) or welfare (health, dental, life, disability)
`plan_year_end`	Yes	Plan year end date YYYY-MM-DD (e.g. 2025-12-31)
`welfare_funding`	No	Welfare plans only: how benefits are paid
`participants_at_start_of_year`	No	Participants at the beginning of the plan year

Schema Changelog

Changes observed during successful MCP inspections.

First observedOct 23, 2026

TDQS

A3.7/5.0

Behavior4/5

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

Annotations already cover read-only and closed-world, but the description adds real value beyond them: the deadline computation rule (7th month after plan year end), the Form 5558 extension, the welfare exemption flag, and the fact that the response cites IRS/DOL rules and links the Compliance Desk. The 'likely' and 'not legal advice' hedges also set expectations about result reliability.

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

Conciseness4/5

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

The purpose and the deadline rule are front-loaded in the first clause, with the caveat compressed into a short trailing sentence. The parenthetical is dense but every element (deadline rule, extension, exemption, sources) is load-bearing; only the Compliance Desk link note borders on promotional filler.

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?

With four fully documented parameters and no output schema, the description compensates by describing what comes back (a needs-to-file determination, due date, exemption flag, rule citations). It is essentially complete for an agent to call correctly; only the absence of guidance on ambiguous inputs (e.g. unknown welfare funding) 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%, including enum meanings and the date format, so the schema carries the parameter burden. The description hints that the welfare exemption depends on funding arrangement and adds the participant context indirectly, but adds no syntax or threshold detail beyond the 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?

States a specific verb and resource (checks whether a plan needs a Form 5500 and when it's due) and scopes it to employee benefit plans, which separates it from product_compliance_requirements and federal_award_deadlines. It does not explicitly name or rule out those siblings, though, so an agent must infer the boundary from domain terms.

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?

Usage is implied by the domain (plan sponsors/administrators checking a filing obligation) but there is no explicit when-to-use guidance, no prerequisites, and no statement of when to prefer a sibling such as federal_award_deadlines for non-benefit-plan deadlines. The 'not legal advice' line is a disclaimer, not routing 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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