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jdlar1

Siigo MCP Server

by jdlar1

siigo_get_fiscal_responsibilities

Retrieve the catalog of fiscal responsibilities from Siigo accounting software to ensure compliance with Colombian tax regulations.

Instructions

Get fiscal responsibilities catalog

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Implementation Reference

  • Executes the core tool logic by making a GET request to the Siigo API endpoint '/v1/fiscal-responsibilities'.
    async getFiscalResponsibilities(): Promise<SiigoApiResponse<any>> {
      return this.makeRequest<any>('GET', '/v1/fiscal-responsibilities');
    }
  • MCP server handler that invokes the SiigoClient method and returns the JSON-formatted result as tool response.
    private async handleGetFiscalResponsibilities(args: any) {
      const result = await this.siigoClient.getFiscalResponsibilities();
      return { content: [{ type: 'text', text: JSON.stringify(result, null, 2) }] };
    }
  • src/index.ts:727-731 (registration)
    Registers the tool with MCP server, including name, description, and empty input schema (no parameters required).
    {
      name: 'siigo_get_fiscal_responsibilities',
      description: 'Get fiscal responsibilities catalog',
      inputSchema: { type: 'object', properties: {} },
    },
  • Defines the input schema for the tool: an empty object, indicating no input parameters are needed.
      inputSchema: { type: 'object', properties: {} },
    },
  • Switch case in the central CallToolRequest handler that routes to the specific tool handler.
    case 'siigo_get_fiscal_responsibilities':
      return await this.handleGetFiscalResponsibilities(args);
Behavior2/5

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

No annotations are provided, so the description carries the full burden of behavioral disclosure. It only states the action ('Get') without detailing aspects like whether this is a read-only operation, if it requires authentication, potential rate limits, or the format of the returned catalog. For a tool with zero annotation coverage, this minimal description fails to provide necessary behavioral context, though it does not contradict any annotations.

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, efficient sentence ('Get fiscal responsibilities catalog') that is front-loaded with the core action and resource. There is no wasted verbiage or unnecessary elaboration, making it highly concise and well-structured for quick comprehension.

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 the complexity of a catalog retrieval tool with no annotations and no output schema, the description is incomplete. It does not explain what 'fiscal responsibilities' includes, the format of the returned data (e.g., list, object), or any behavioral traits like safety or performance. This leaves significant gaps for an agent to understand the tool's full context and usage.

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

Parameters4/5

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

The tool has 0 parameters, and the schema description coverage is 100%, meaning there are no parameters to document. The description does not need to add parameter semantics, so it meets the baseline expectation for such cases. No additional value is required, and the description does not introduce any parameter-related confusion.

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 'Get fiscal responsibilities catalog' states a clear verb ('Get') and resource ('fiscal responsibilities catalog'), which provides a basic understanding of the tool's function. However, it lacks specificity about what 'fiscal responsibilities' entails (e.g., tax obligations, regulatory duties) and does not differentiate from sibling tools like 'siigo_get_taxes' or 'siigo_get_document_types', leaving room for ambiguity in a crowded namespace of catalog retrieval tools.

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 is provided on when to use this tool versus alternatives. With many sibling tools for retrieving various catalogs (e.g., taxes, document types, payment types), the description does not specify the context or prerequisites for accessing fiscal responsibilities, nor does it indicate any exclusions or recommend other tools for related data, leaving the agent without usage direction.

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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