Static source inference · medium confidence · detected: Logging
Deprecated protocol patterns detected
Summary
The server defines a single tool 'generate_jmeter_script' with a comprehensive input schema and descriptive title. However, there are significant gaps in parameter descriptions, missing output schema documentation, and no error handling guidance. The tool description is clear but parameter annotations vary widely in quality, some parameters (e.g., 'extractors', 'assertions') have nested objects with incomplete or missing descriptions. No output schema is documented, making it impossible for LLMs to know what structure to expect after calling the tool. The server demonstrates basic quality with proper naming and schema structure, but falls short of production-grade standards due to incomplete descriptions and missing output documentation.
Tools (1)
generate_jmeter_scriptwritesource verified72/100
Generate a comprehensive JMeter test script with advanced features including parameterization, correlation, timers, and result collection
Output schema not documented. Tool description and input schema are present, but there is no specification of what the tool returns. LLMs cannot determine downstream tool chaining or know what fields to extract from the response.
Nested parameter 'extractors' (array of objects) lacks description for the parent parameter itself. The array items have properties like 'variableName', 'jsonPath', 'regex', 'defaultValue', but the 'extractors' parameter parent has only 'title' and 'description' fields in the items definition, no explanation of when/why to use extractors or what they do.
Nested parameter 'assertions' (array of objects) has title 'Response Assertion' but no description whatsoever. The schema shows type 'object' with no 'properties' defined, this is a hollow definition that tells LLMs nothing about what fields or values this object should contain.
generate_jmeter_script
Recommendations
Add a documented output schema section to the tool definition. Example: 'Returns an object with fields: { scriptContent (string, the JMeter .jmx file content), scriptPath (string, absolute path to saved file), validationStatus (string: success|warning|error), warnings (array of strings, non-fatal issues), estimatedExecutionTime (number, seconds) }.'
Provide a description for the 'assertions' parameter: 'Array of response assertions to validate test results. Each assertion specifies how to verify the response (e.g., status code must be 200, response body must contain text). Currently accepts empty array; assertion types are inferred from the structure. If no assertions provided, test will only check for successful HTTP response.'
Add descriptions to threadGroup nested parameters: 'numThreads (integer, 1 - 10000): Number of concurrent user threads simulating load. Defaults to 1 if omitted. rampUpTime (integer, 1 - 3600): Seconds to gradually ramp up from 0 to numThreads. Defaults to 60. loops (integer, 1 - 1000000): Number of times each thread repeats the entire test sequence. Defaults to 1.'
Document the 'headers' parameter: 'Object mapping header names (e.g., "Authorization", "Content-Type") to header values. Both key and value are strings. Standard headers (e.g., Content-Length) are set automatically; providing them may cause conflicts. Custom headers are merged into each request unless overridden at the request level.'
Clarify the 'csvDataSet' parameter structure: 'variableNames is a comma-separated string (e.g., "username,password"). values is an array of arrays, each inner array representing one row of data. Example: [["user1", "pass1"], ["user2", "pass2"]].'
Spec posture evidence
Inferred effective spec: <=2025-11-25.
Relies on Logging (deprecated) - log to stderr or use OpenTelemetry
Parameter 'threadGroup' is marked as optional (not in 'required' array) but its nested properties (numThreads, rampUpTime, loops) lack descriptions explaining their purpose, valid ranges, or units (e.g., is 'rampUpTime' in seconds, minutes, or milliseconds?).
No error handling guidance. The tool description does not explain what happens on failure (e.g., invalid baseUrl, malformed request body, unsupported HTTP method). No recovery hints or actionable error messages are documented.
Nested 'headers' parameter (object with additionalProperties string) lacks a description explaining what headers are allowed, whether certain headers are forbidden, or what happens if conflicting headers are provided.
Parameter 'csvDataSet' is optional but its internal field 'values' (array of unknown type) has description 'Sample data values' without explaining the expected format, structure, or relationship to 'variableNames'. This creates ambiguity about how CSV rows should be formatted.
generate_jmeter_script
Add error handling guidance to the tool description: 'Returns an error if: baseUrl is not a valid URI, requests array is empty, HTTP method is unsupported (only GET, POST, PUT, DELETE, PATCH, HEAD, OPTIONS are valid), request path is empty, or extractors/assertions reference nonexistent response fields. Error response includes the field name and reason; retry with corrected input.'
Add parameter constraints with examples: 'testName: 1-255 characters, alphanumeric + underscores. baseUrl: must be a valid HTTPS or HTTP URI. numThreads: 1-10000 (exceeding 10000 may cause resource exhaustion).'
Document what the tool generates: 'Outputs a JMeter test plan (.jmx XML file) that can be executed with 'jmeter -n -t <script.jmx> -l results.jtl' and generates a detailed HTML report. The script includes thread group configuration, HTTP samplers, extractors for data correlation, response assertions, and result listeners for CSV logging.'
Add idempotency note: 'Calling this tool with identical parameters and output location will overwrite any previously generated script with the same name. The tool is idempotent, repeated calls with the same input produce the same output.'
Specify units and defaults explicitly: 'If threadGroup is omitted, defaults to numThreads=1, rampUpTime=60 seconds, loops=1. If a request has no method specified, defaults to GET. If baseUrl has a trailing slash, it is preserved; ensure path does not start with / to avoid double slashes in URLs.'