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snzeeee

mcp-server-systemeio

by snzeeee

delete_contact

Delete a contact from Systeme.io by providing the contact ID. Note: actual deletion may take several days for security reasons.

Instructions

Delete a contact from Systeme.io. Note: actual deletion may take several days for security reasons.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
contactIdYesThe contact ID to delete
Behavior3/5

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

With no annotations, the description carries the full burden. It discloses the important behavioral trait that deletion may take several days for security reasons. However, it does not mention authentication needs, whether it is reversible, or what happens if the contact does not exist. This is moderate but not comprehensive.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two sentences with no wasted words. The note about the delay is front-loaded and essential. Every sentence adds value.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a simple one-parameter deletion tool, the description covers the action and a key behavioral caveat. While it could mention error handling or confirmation, it is sufficiently complete for basic usage given the tool's simplicity and lack of output schema.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, so the schema already documents contactId as a required number. The description does not add extra meaning beyond what the schema provides, so baseline 3 is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it deletes a contact from Systeme.io, which is a specific verb+resource. It distinguishes from siblings like delete_tag or cancel_subscription because the resource is explicitly 'contact'. However, it does not explicitly differentiate from other delete tools, but the resource context makes it clear.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No guidance on when to use this tool versus alternatives (e.g., update_contact for deactivation, or get_contact for verification). The note about deletion delay is useful but does not provide usage context or exclusion criteria.

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

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