Suggest RxJS patterns and best practices for common reactive programming use cases, with optional Angular, React, Vue, or vanilla examples.
Suggest RxJS patterns and best practices for common use cases
| Name | Required | Description | Default |
|---|---|---|---|
| useCase | Yes | The use case for which to suggest an RxJS pattern | |
| framework | No | Target framework for the pattern | vanilla |
Changes observed during successful MCP inspections.
v0.5.3Input schema / $schemaAdded value: +"https://json-schema.org/draft/2020-12/schema"Input schema / additionalPropertiesRemoved value: -falsev0.1.3Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Annotations already declare readOnlyHint and idempotentHint, and the 'Suggest' wording is consistent with those. The description does not add behavioral detail beyond the annotations, such as what kind of output to expect or any limitations, but it also does not contradict them.
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?
One short, front-loaded sentence with no filler. Every word earns its place, and the core intent is immediately clear.
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?
The schema and annotations cover inputs and safety, and the purpose is clear. However, the description does not explain the expected output, nor does it position the tool relative to similar siblings, leaving some selection and invocation context incomplete.
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 both parameters having meaningful descriptions and enums. The description adds no significant meaning beyond what the schema already provides, so the baseline of 3 is appropriate.
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 uses a specific verb ('Suggest') and a clear resource ('RxJS patterns and best practices'), and the purpose is easily distinguished from sibling tools like lint_rxjs, analyze_operators, or execute_stream. It communicates exactly what the tool offers.
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?
The description gives no guidance about when to use this tool versus the sibling tools. It does not mention alternatives, exclusions, or conditions, so an agent must infer selection from the tool name and schema enums.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.