Rebillia MCP Server

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

No annotations are provided, so the description carries full burden but only states the HTTP method (POST) and endpoint. It doesn't disclose behavioral traits such as whether this is a mutating operation, what 'sync' does (e.g., data refresh, status update), potential side effects, error conditions, or response format, leaving critical gaps for safe invocation.

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 brief and front-loaded with the core action, avoiding unnecessary words. However, it could be more structured by explicitly stating the purpose upfront rather than embedding it in an endpoint reference, but it remains efficient with zero waste.

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?

Given the complexity implied by 'sync' (likely a mutating operation), no annotations, and no output schema, the description is incomplete. It fails to explain what the tool returns, error handling, or operational context, making it inadequate for an agent to use effectively without guesswork.

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 100%, with the parameter 'ratePlanId' clearly documented in the schema. The description adds no additional meaning beyond the schema, such as format examples or context for the ID, but since the schema is comprehensive, the baseline score of 3 is appropriate as it doesn't detract from understanding.

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 states the action ('Sync') and resource ('rate plan'), which clarifies the basic purpose. However, it's vague about what 'sync' entails—whether it synchronizes data, updates statuses, or triggers a process—and doesn't distinguish it from sibling tools like 'update_product_rate_plan' or 'update_product_rate_plan_status', leaving ambiguity in its specific function.

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?

No guidance is provided on when to use this tool versus alternatives. With siblings like 'update_product_rate_plan' and 'update_product_rate_plan_status', the description lacks context on prerequisites, timing, or comparisons, offering no help for an agent to choose appropriately among related tools.

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