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n8n MCP Server

by andhit-r

delete_credential

Permanently delete a credential from n8n. This action is irreversible and will cause workflows using the credential to fail.

Instructions

Hapus credential dari n8n secara permanen.

Operasi ini tidak dapat dibatalkan. Workflow yang menggunakan credential ini akan gagal bila dieksekusi setelah credential dihapus.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
credential_idYesID credential yang ingin dihapus

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior4/5

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

With no annotations provided, the description discloses the permanent nature and consequences for workflows. This informs the agent of the destructive side effects, which is critical for a delete tool.

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?

The description is only two sentences, front-loading the action and then adding essential warnings. Every sentence adds value with no redundant information.

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 delete tool with one parameter and an output schema (not shown), the description adequately covers the key behavioral aspects (permanence, workflow impact). It does not mention error handling or permissions, but these are common for such tools.

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?

The input schema already covers the single parameter with a description ('ID credential yang ingin dihapus'). The tool description adds no additional parameter meaning beyond what is in the schema, so baseline 3 applies.

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 'Hapus credential dari n8n secara permanen' (Permanently delete credential from n8n), specifying the action and resource. It distinguishes from sibling tools that delete other resources or credentials in a different manner.

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

Usage Guidelines4/5

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

The description provides usage context by noting the operation is irreversible and will break workflows using the credential. While it doesn't explicitly state when not to use or alternatives, the warning serves as a clear guideline.

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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