gf.free_profit_checkFree preliminary GCC product profit and margin estimate. Price: free.
| Name | Required | Description | Default |
|---|---|---|---|
| currency | No | ||
| landed_cost | Yes | ||
| referralCode | No | ||
| total_fee_pct | No | ||
| fulfillment_cost | No | ||
| paymentSignature | No | ||
| ad_cost_per_order | No | ||
| expected_sale_price | Yes |
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations provided, the description must carry the full burden of behavioral disclosure. It only mentions free and preliminary, but doesn't explain side effects, authentication requirements, data handling, or limitations. For a tool that likely computes an estimate, non-mutating behavior is implied but not stated.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Is the description appropriately sized, front-loaded, and free of redundancy?
The description is only two sentences and contains redundancy: 'Price: free' repeats the word 'free' from the first sentence. The essential information is not front-loaded or organized effectively, and the structure is overly terse.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
For a tool with 8 parameters, no output schema, and no annotations, the description is grossly inadequate. It fails to explain required inputs, expected output, or any operational context, leaving an agent without sufficient information to invoke the tool correctly.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
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 for the 8 parameters, but it mentions none of them. It doesn't even hint that 'landed_cost' and 'expected_sale_price' are required, providing no semantic value beyond the schema.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states the tool provides a profit and margin estimate for GCC products, and identifies it as free and preliminary. The resource and outcome are clear, but it doesn't differentiate from sibling tools like gf.gcc_opportunity_score or gf.gcc_product_decision, so it falls short of a perfect score.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Does the description explain when to use this tool, when not to, or what alternatives exist?
There is no guidance on when to use this tool versus the 17 sibling tools, nor any mention of scenarios or exclusions. The description states only what it does and its price, leaving the agent to infer usage context.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
Add one secure layer between your agents and this server.
Several tools overlap in purpose, particularly among the GCC analysis services (free_profit_check, gcc_opportunity_score, gcc_product_decision) and the status reporting tools (agent_commerce_status, payment_status, settlement_status, universal_status). While descriptions clarify differences, an agent may struggle to choose between these related services without careful reading.
All tools use the 'gf.' prefix and snake_case, providing a consistent base. However, the pattern mixes noun_phrases (agent_budget, payment_status) with verb-based names (execute, quote) and adjective_noun combinations (free_profit_check), making the naming somewhat inconsistent in style though still readable.
At 18 tools, the count is slightly above the typical 15-tool sweet spot but remains reasonable for a comprehensive commerce gateway server that covers discovery, quoting, payment, status, and analytics. The scope justifies the number without feeling bloated.
The tool surface covers the main lifecycle: discovering capabilities, obtaining quotes, executing transactions, checking payment and settlement status, monitoring provider health, and reviewing metrics. Minor gaps exist (no explicit refund/cancel or merchant account creation), but these are not critical to the core workflows.