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Evolution API MCP Server

by serversmx

evolution_settings_set

Configure WhatsApp instance behavior by adjusting settings for calls, messages, groups, online status, and history sync.

Instructions

Update behavior settings for an instance.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
msgCallNoMessage to send when rejecting a call.
instanceNoWhatsApp instance name. Optional if EVOLUTION_DEFAULT_INSTANCE is configured.
readStatusNoMark statuses as read.
rejectCallNoAutomatically reject incoming calls.
wavoipTokenNoWAVoIP token (calls).
alwaysOnlineNoKeep the instance always online.
groupsIgnoreNoIgnore group messages.
readMessagesNoMark received messages as read.
syncFullHistoryNoSync full chat history on connect.
Behavior2/5

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

No annotations provided, so description should disclose side effects, persistence, dependence on instance state, etc. Only states 'Update behavior settings' without any detail on consequences.

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?

Extremely concise at 6 words, front-loaded with key verb and resource. However, too concise to provide meaningful guidance. Slight trade-off.

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

Completeness2/5

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

Given 9 optional parameters and no output schema, the description is insufficient. Does not explain the operation's nature (e.g., asynchronous, persistent, dependency on instance connection). Lacks context for agent to use correctly.

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% with each parameter described. Description adds no additional meaning beyond the schema. 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?

Clearly states the verb 'Update' and resource 'behavior settings for an instance'. Distinguishes from sibling tools like evolution_settings_find (read settings). Could be more specific about which settings.

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 vs alternatives (e.g., evolution_settings_find for reading, evolution_instance_* for instance management). Does not mention prerequisites or context.

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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