unsubscribeCancel a subscription by id. Ownership is enforced — you can only cancel your own subscriptions. The row is deactivated (not deleted) so its historical events stay available via recent_alerts.
| Name | Required | Description | Default |
|---|---|---|---|
| id | Yes | Subscription id (uuid) returned by subscribe. |
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 indicate non-destructive and idempotent behavior. The description adds specific context: ownership enforcement and that deactivation keeps historical events available. This goes beyond the annotation flags, though it could have mentioned idempotency explicitly.
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?
Two sentences, front-loaded with the core action and followed by meaningful qualifications. No redundancy or filler.
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 a single parameter and no output schema, the description covers the action, ownership restriction, and the deactivation side effect. It doesn't describe return values, but for a straightforward cancellation the effect is clearly stated.
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 fully describes the id parameter (uuid returned by subscribe), so the description's 'by id' adds little. No extra parameter semantics are provided beyond the schema, which meets the baseline for high schema coverage.
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 a specific verb ('Cancel') and resource ('subscription') and immediately distinguishes the tool from siblings like subscribe and list_subscriptions. It also adds the ownership constraint, further clarifying scope.
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 provides clear usage context: cancel your own subscription, with the nuance that rows are deactivated rather than deleted, and suggests recent_alerts for historical events. However, it doesn't explicitly say when not to use this tool or compare alternatives beyond that indirect mention.
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.
The tool set mixes general-purpose Pipeworx tools (ask_pipeworx, ai_visibility_check, bet_research) with only three paleontology-specific tools (find_fossils, get_taxon, list_subtaxa). Multiple similar 'ask_pipeworx' variants further blur distinctions, making it difficult for an agent to select the right tool without deep domain knowledge.
Tool names are mostly in snake_case and somewhat descriptive, but the naming conventions vary widely: imperative verbs (find_fossils), interrogative (suggest_questions), and nouns (recent_alerts). The presence of multiple 'ask_pipeworx' variants with inconsistent suffixes (beta, grounded) adds confusion.
With 34 tools, the server is oversized for its claimed paleontology focus. The vast majority of tools are unrelated to Paleobiology, making the server feel more like a general-purpose data API than a specialized paleontology tool. A focused server should have a smaller, targeted set.
For the Paleobiology Database purpose, the coverage is severely lacking: only three tools are directly relevant (find_fossils, get_taxon, list_subtaxa). Missing essential operations like searching taxa by name, retrieving occurrences by location, or accessing collections data. The tool set is not a coherent interface for the domain.