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PlugLayer MCP Server

PlugLayer MCP Server

Official
by pluglayer
OverviewSchemaSourceRelated ServersDiscussionsAdmin
Python
Hybrid

update_database_access

Update a database's TCP IP allowlist to control public access. Pass an empty list to permit all IPs.

Instructions

Update a provisioned database's public TCP IP allowlist. Pass an empty list to allow all IPs again.

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": {
      "database_id": "<database_id>"
    },
    "name": "update_database_access"
  }
}

Input Schema

NameRequiredDescriptionDefault
database_idYes
tcp_allowed_cidrsNo

Output Schema

NameRequiredDescriptionDefault
resultYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.5

TDQS

A3.7/5.0
Behavior3/5

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

With no annotations provided, the description carries the full burden. It discloses the non-obvious empty-list reset behavior, but does not mention permissions, reversibility, or impact on existing connections. It adds some value but is not fully transparent for a mutation tool.

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 two sentences, front-loaded with the primary action and followed by the key behavioral note. Every word earns its place, with no redundancy or fluff.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

The tool is simple and an output schema exists, so return values need not be described. However, as a mutation with no annotations, the description does not provide context on prerequisites or potential disruptions. The note about the empty-list behavior helps, but the overall context is somewhat minimal.

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 schema has 0% description coverage. The description adds meaning to the tcp_allowed_cidrs parameter by explaining the empty-list behavior, but it does not explain the CIDR format or provide any additional context for database_id beyond its name.

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 (update), the resource (provisioned database's public TCP IP allowlist), and the scope (the allowlist). It distinguishes from sibling tools like create_database and get_database_connection_details by focusing on the allowlist update behavior.

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?

The description implies usage for modifying the IP allowlist and explicitly mentions the empty-list behavior to allow all IPs. However, it does not provide explicit alternatives, prerequisites, or when-not-to-use scenarios, so the guidance is only implicit.

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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