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spruikco

send16-mcp

by spruikco

delete_webhook

Remove an outgoing webhook endpoint using its ID. Requires webhook ID and optional API key.

Instructions

Delete an outgoing webhook endpoint.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
apiKeyNoSend16 API key (overrides SEND16_API_KEY env var)
webhookIdYesWebhook ID

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.5.7

TDQS

B3.2/5.0
Behavior2/5

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

No annotations provided, and the description does not disclose behavioral traits such as irreversibility, required permissions, or side effects (e.g., does deleting a webhook affect active integrations?). For a destructive operation, more transparency is needed.

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

Conciseness4/5

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

The description is a single sentence, concise and front-loaded with the action. However, it is almost too minimal; it could include a bit more context without losing conciseness.

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

Completeness3/5

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

No output schema, but for a simple delete operation the description is adequate. However, it lacks information about the response or error conditions. Given the low complexity, this is acceptable but not fully complete.

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 description does not need to add parameter details. It adds no extra meaning beyond the schema. Baseline score of 3 is appropriate.

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

Purpose5/5

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

The description clearly states the action ('Delete') and the resource ('outgoing webhook endpoint'). It is specific and distinct from sibling tools like create_webhook and list_webhooks.

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., regenerate_webhook_secret). No prerequisites or context for when deletion is appropriate.

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