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ambaloo

invoiceninja-mcp

by ambaloo

list_tasks

Retrieve tasks from Invoice Ninja with optional filters by client, project, status, and pagination.

Instructions

List tasks with optional filters

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
per_pageNoResults per page
pageNoPage number
client_idNoFilter by client ID
project_idNoFilter by project ID
statusNoFilter by status
Behavior2/5

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

No annotations provided; description fails to disclose pagination behavior, whether results are sorted, or that it returns a list. The description only restates the obvious 'optional filters' without revealing how they interact.

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

Conciseness3/5

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

Single sentence is concise but lacks critical information. It is front-loaded with the verb and resource but omits important details like pagination or filter scope.

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?

With 5 parameters, no output schema, and no annotations, the description is too sparse. It does not explain the return format, pagination, or any behavioral nuances expected for a listing tool.

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?

Input schema covers all 5 parameters with descriptions (100% coverage), so baseline is 3. The description adds no extra meaning beyond what the schema already provides.

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?

Description states 'list tasks with optional filters', clearly identifying the action and resource. It distinguishes from sibling `get_task` (single task) but does not differentiate from other list tools (e.g., list_clients) beyond the resource name.

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 like `search_clients` or `get_task`. No context on prerequisites or 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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