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MCP Vibe Coding Tools

by ammilam
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TypeScript
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gcloud_run_services_list

List Google Cloud Run services from your project. Filter by region or platform to find the services you need.

Instructions

List Cloud Run services

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": "gcloud_run_services_list"
  }
}

Input Schema

NameRequiredDescriptionDefault
regionNoFilter by region (e.g., 'us-central1')
platformNoCloud Run platformmanaged

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.0.0

TDQS

C2.8/5.0
Behavior2/5

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

With no annotations provided, the description carries the full burden of disclosing behavioral traits. It only states the action without mentioning side effects, auth requirements, rate limits, or what happens if the list is large (e.g., pagination). This leaves critical gaps for an agent.

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?

The description is a single sentence, which is concise, but it lacks structured details that could aid agent understanding. It is front-loaded with the action but could be slightly more informative without becoming 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 tool's simplicity (2 optional parameters, no required fields), the description is minimal. However, it fails to mention return format, pagination behavior, or the fact that this lists all services if no region is provided. Completeness is insufficient for this service 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?

Schema description coverage is 100%, so both parameters (`region`, `platform`) are already documented in the input schema. The description does not add any additional meaning or context to the parameters, earning the baseline score of 3.

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?

The description uses a specific verb-resource combination ('List Cloud Run services'), which clearly states the tool's action and target. However, it does not differentiate from siblings like `gcloud_run_services_describe` or `gcloud_container_clusters_list`, missing an opportunity to clarify scope.

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?

The description provides no guidance on when to use this tool vs alternatives. It does not mention prerequisites (e.g., authentication or gcloud setup), nor does it suggest when to prefer this over siblings like `gcloud_run_services_describe` or `gcloud_compute_instances_list`.

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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