list_subscriptionsList the caller's active subscriptions. Returns id, type, params, created_at, last_fired_at, fire_count for each. Use this to review what you're monitoring before adding more or to find an id to cancel.
| Name | Required | Description | Default |
|---|---|---|---|
| include_inactive | No | Include cancelled subscriptions in the response (default false). |
Changes observed during successful MCP inspections. Dates show when Glama detected each change.
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Annotations already declare readOnlyHint, idempotentHint, and destructiveHint false, so safety is covered. The description adds valuable context about the caller-specific scope ('the caller's') and the return payload (fields listed), which goes beyond the annotations. No contradictions or surprising behaviors are hidden.
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?
Three short, information-dense sentences. The first states the action, the second lists return fields, and the third gives usage context. No filler words or redundant information. Front-loaded with the essential purpose.
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 simple read-only list tool with one optional parameter and no output schema, the description covers all essential aspects: what it does, what it returns, when to use it, and implicit scoping. The annotations cover safety, and the schema covers parameters, so the description rounds out the picture nicely.
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?
The schema provides 100% coverage for the single parameter include_inactive, including a description. The tool description does not add any additional meaning to the parameter, so the schema carries the burden. Baseline 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 clearly states the verb 'List' and the resource 'the caller's active subscriptions', immediately distinguishing it from sibling tools like subscribe/unsubscribe. It also enumerates the exact returned fields (id, type, params, etc.), leaving no ambiguity about the tool's 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?
The description explicitly provides usage context: 'Use this to review what you're monitoring before adding more or to find an id to cancel.' This tells the agent when to invoke the tool, though it doesn't explicitly mention when not to use it or alternatives. Still, the guidance is clear and practical.
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.
Many tools have distinct purposes, but the three 'ask_pipeworx' variants (ask_pipeworx, ask_pipeworx_beta, ask_pipeworx_grounded) are highly similar and likely cause confusion. Additionally, the toolset mixes airport-specific tools with unrelated financial and research tools, creating ambiguity about when to use which.
Naming conventions are inconsistent: some tools use descriptive snake_case (ai_visibility_check, ask_pipeworx), others are single verbs (remember, forget, recall), and some include brand names (pipeworx_feedback). No clear pattern emerges across the 34 tools.
34 tools is excessive for a server named 'airports'—only 3 tools directly relate to airports (search_airports, get_airport, calculate_distance). The majority are unrelated utilities (financial, prediction markets, memory), making the scope far too broad and unfocused.
The server severely lacks completeness for its stated airport domain: there are no tools for flights, airlines, runways, or real-time data. The other included domains (e.g., financial, prediction markets) are also incomplete, with e.g., only partial coverage of company data and no update/delete operations.