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fiken-mcp

fiken-mcp

by gronnmann
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
Remote

fiken_create_invoice_counter

Creates the first invoice number counter by setting a starting invoice number for your accounting system.

Instructions

Creates the first invoice number counter

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "fiken_create_invoice_counter"
  }
}

Input Schema

NameRequiredDescriptionDefault
valueNoStarting invoice number

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.1.0

TDQS

C2.2/5.0
Behavior2/5

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

Annotations only indicate a write operation (readOnlyHint=false). The description adds no behavioral details such as whether the counter can be overwritten, if it auto-increments, or any side effects. Minimal transparency.

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

Conciseness2/5

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

The description is extremely short but under-specified, lacking essential details. It is not concise in a helpful way; it omits critical information.

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 no output schema and a write operation with siblings, the description should explain the counter's role and usage. It fails to provide complete context for an agent to use it 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 the parameter described as 'Starting invoice number'. The description does not add further meaning beyond the schema, meeting the baseline for high coverage.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose3/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description specifies the tool creates the first invoice number counter, which is a specific resource. However, it does not differentiate from sibling tools like create_credit_note_counter or create_offer_counter, making it vague in context.

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

Usage Guidelines1/5

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

No guidance is provided on when to use this tool versus alternatives, nor any prerequisites or context for creating the counter. The description is entirely silent on usage conditions.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

Deploy Server

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