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cappyeo

discord-mcp

application_modify_current

Idempotent

Update your Discord application settings by patching only the fields you want to change. Modify name, description, icon, flags, webhooks, and other app attributes.

Instructions

Purpose: Edit the bot/app application object (PATCH /applications/@me).

Pass only fields you want to change. All fields optional.

Returns: updated {id, name, description, icon, flags, untrusted_text}. name and description remain raw; untrusted_text provides a separately fenced copy.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
iconNobase64 image data or null
tagsNo
flagsNo
cover_imageNo
descriptionNo
install_paramsNo
custom_install_urlNo
event_webhooks_urlNo
event_webhooks_typesNo
event_webhooks_statusNo
integration_types_configNo
interactions_endpoint_urlNo
role_connections_verification_urlNo

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior4/5

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

Annotations already indicate readOnlyHint=false, destructiveHint=false, idempotentHint=true, and the description adds that name/description remain raw while untrusted_text provides a separately fenced copy, which is useful behavioral context beyond annotations. No contradiction.

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 concise and front-loaded with purpose, followed by a brief usage instruction and return summary. No filler, each sentence adds value.

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?

While the output schema provides return structure and annotations cover safety, the description leaves many parameters unexplained and lacks details about field constraints or side effects. It covers core behavior but is incomplete for a 13-parameter mutation tool.

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

Parameters2/5

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

Schema description coverage is only 8%, and the description does not explain the meaning or usage of most parameters (tags, install_params, integration_types_config, etc.). It only mentions the return fields and generic partial-update guidance, so agents lack necessary semantic detail for correct invocation.

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?

Description clearly states 'Edit the bot/app application object (PATCH /applications/@me)' with a specific verb and resource, distinguishing it from siblings like application_get_current and application_modify_role_connection_metadata.

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?

Provides explicit instruction to pass only fields to change and notes all fields optional, guiding usage. However, it does not explicitly contrast with alternative tools or state when not to use it.

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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