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by delano

delete_schema_file

Removes a schema file from a Postman API by specifying the API ID, schema ID, and file path.

Instructions

Delete a schema file

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
apiIdYesAPI ID
schemaIdYesSchema ID
filePathYesPath to the schema file

Implementation Reference

  • The handler function 'deleteSchemaFile' that executes the delete schema file logic. It validates required args (apiId, schemaId, filePath), sends a DELETE request to the Postman API, and returns a success message.
    async deleteSchemaFile(args: any): Promise<ToolCallResponse> {
      if (!args.apiId || !args.schemaId || !args.filePath) {
        throw new McpError(ErrorCode.InvalidParams, 'apiId, schemaId, and filePath are required');
      }
      await this.client.delete(
        `/apis/${args.apiId}/schemas/${args.schemaId}/files/${args.filePath}`
      );
      return this.createResponse({ message: 'Schema file deleted successfully' });
    }
  • The schema definition for 'delete_schema_file' tool, specifying its name, description, and inputSchema with required parameters: apiId (string), schemaId (string), filePath (string).
    {
      name: 'delete_schema_file',
      description: 'Delete a schema file',
      inputSchema: {
        type: 'object',
        properties: {
          apiId: {
            type: 'string',
            description: 'API ID',
          },
          schemaId: {
            type: 'string',
            description: 'Schema ID',
          },
          filePath: {
            type: 'string',
            description: 'Path to the schema file',
          },
        },
        required: ['apiId', 'schemaId', 'filePath'],
      },
    },
  • The routing/dispatch case in 'handleToolCall' that maps the tool name 'delete_schema_file' to the handler method 'deleteSchemaFile'.
    case 'delete_schema_file':
      return await this.deleteSchemaFile(args);
  • The TOOL_DEFINITIONS constant from definitions.ts is returned by getToolDefinitions() to register all tool definitions including delete_schema_file.
    getToolDefinitions(): ToolDefinition[] {
      return TOOL_DEFINITIONS;
    }
Behavior2/5

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

With no annotations, the description carries the full burden of behavioral disclosure. It only states the action without mentioning side effects (e.g., cascading deletions), required permissions, or irreversibility, which is critical for a deletion tool.

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?

The description is extremely concise (one sentence), which is efficient. However, it lacks any structure or additional context that could improve its completeness without being verbose.

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 lack of output schema and the simplicity of the action, the description could at minimum clarify the expected outcome (e.g., success/failure indicators) or reference related tools like get_schema_file_contents. It falls short of being contextually complete.

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?

The input schema has 100% description coverage, so each parameter is already documented. The description adds no additional meaning beyond the schema, earning a baseline score of 3.

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 action ('Delete') and the resource ('a schema file'), making the tool's purpose unambiguous. It is specific and distinguishes itself from sibling tools like 'create_update_schema_file'.

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 (e.g., other delete tools or update operations). There are no prerequisites or context about when deletion is appropriate.

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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