Axiom Works AgentReader

ca_company

Use this for a Canadian federal corporation lookup (Corporations Canada) by corporation number or 9-digit Business Number: legal name, governing act, status, annual filing, registered office, directors min/max. OGL-Canada. $0.02 USDC. Related: Many companies: /registry-batch $0.30 (<=25 UK+AU+CA ids); sanctions screen: /sanctions $0.05.

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": "ca_company"
  }
}

Input Schema

Name	Required	Description	Default
`bn`	No
`number`	No

Schema Changelog

Changes observed during successful MCP inspections.

AddedNov 5, 2026

TDQS

A4/5.0

Behavior4/5

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

With no annotations, the description discloses output fields, license (OGL-Canada), and cost ($0.02 USDC). It implies a read-only lookup but does not cover error handling, rate limits, or authentication requirements, leaving minor gaps.

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 description is front-loaded and efficient, but the second sentence packs several related tools and prices densely; it could be slightly better structured for readability without losing information.

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

Completeness3/5

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

For a simple lookup with no annotations and no output schema, the description covers purpose, output fields, and alternatives, but omits critical parameter guidance: it does not state that at least one of bn/number should be provided or what happens if both are given.

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 0%, so the description must compensate. It maps 'number' to corporation number and 'bn' to a 9-digit Business Number, but does not clarify requiredness (both are optional), precedence when both are supplied, or exact format details beyond '9-digit'.

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 ('lookup') and resource ('Canadian federal corporation'), names the data source (Corporations Canada), and lists the returned fields, making it clearly distinguishable from sibling tools for other jurisdictions or query types.

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

Usage Guidelines4/5

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

It gives explicit guidance ('Use this for...') and names a batch alternative for multiple companies, but does not explicitly exclude use cases or state when to prefer single-company tools like company_full.

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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