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MCP Vibe Coding Tools

MCP Vibe Coding Tools

by ammilam
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
Local

gcloud_storage_ls

Lists objects in a Google Cloud Storage bucket or folder path. Specify a path like gs://bucket-name to view its contents or enable recursive mode to list all nested files.

Instructions

List objects in a Cloud Storage bucket or path

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "path": "<path>"
    },
    "name": "gcloud_storage_ls"
  }
}

Input Schema

NameRequiredDescriptionDefault
pathYesGCS path to list (e.g., 'gs://bucket-name' or 'gs://bucket-name/path/')
recursiveNoList recursively

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.0.0

TDQS

B3.3/5.0
Behavior2/5

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

No annotations exist, so the description must carry full behavioral transparency. It only states 'List objects' without detailing authentication needs, pagination, error handling (e.g., invalid path), or default behavior (non-recursive). Critical read-only trait is implied but underexplained.

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 a single concise sentence that directly states the tool's purpose. Every word is used efficiently, though the brevity sacrifices completeness. Still, it earns its place without fluff.

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 has no output schema, no annotations, and 100% schema coverage, the description remains too sparse. It omits crucial context such as the return format, pagination behavior, default recursion, and assumptions about authentication or project setup. An agent would likely need to experiment to understand full behavior.

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 the schema already documents both parameters (path, recursive). The description adds no extra meaning beyond the schema baseline, resulting in a neutral 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 verb (List) and resource (objects in a Cloud Storage bucket or path). This distinctively differentiates from sibling tools like gcloud_storage_buckets_list (lists buckets) and gcloud_bq_ls (lists BigQuery datasets).

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

Usage Guidelines3/5

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

No explicit guidance on when to use this tool versus alternatives (e.g., gcloud_storage_buckets_list) or prerequisites. Usage is implied but not clarified, which for an agent could lead to misuse among many sibling list tools.

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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