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ambaloo

invoiceninja-mcp

by ambaloo

update_task

Update an existing task by modifying its description, hourly rate, project assignment, or custom fields.

Instructions

Update an existing task

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
task_idYesTask ID (hashed string)
descriptionNoTask description
rateNoHourly rate
project_idNoProject ID
custom_value1NoCustom field 1
custom_value2NoCustom field 2
Behavior2/5

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

With no annotations, the description should disclose behavioral traits like partial vs full update, authentication needs, or side effects. It only states 'Update an existing task', which is insufficient.

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 a single, front-loaded sentence with no wasted words.

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?

For a mutation tool with 6 parameters and no output schema, the description lacks details on update behavior, return values, and error handling, making it incomplete.

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 description coverage is 100%, so the description adds no value beyond the schema. Baseline 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 verb 'Update' and resource 'existing task', distinguishing it from sibling tools like create_task, delete_task, and get_task.

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

Usage Guidelines3/5

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

The description implies usage when modifying an existing task, but provides no explicit guidance on when not to use it or alternatives like start_task, stop_task, or log_task_time.

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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