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jaydb-cloud

@jaydb/mcp

by jaydb-cloud

jaydb_health

Verifies the JayDB endpoint's connectivity and health by sending a test request. Returns status to confirm server availability.

Instructions

Check connectivity and health of the JayDB endpoint

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
baseUrlNoJayDB base URL to test (defaults to configured JAYDB_URL)

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

A3.5/5.0
Behavior2/5

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

No annotations are provided, so the description carries the full burden of behavioral disclosure. It implies a read-only network probe, but does not describe what response to expect, whether any state changes occur, or what 'healthy' means. This leaves meaningful ambiguity 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.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single, front-loaded sentence with no filler. Every word contributes to conveying the tool's purpose.

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?

Adequate for a simple health-check tool with one optional parameter fully documented in the schema. However, with no output schema and no annotations, the description does not clarify what the tool returns or how an agent should interpret the health result.

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 fully documents the single optional baseUrl parameter with a clear description and default behavior. The tool description adds no parameter information, but the high schema coverage sets the baseline at 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 uses a specific verb and resource: checking connectivity and health of the JayDB endpoint. This is clearly distinct from the sibling data-operation tools (jaydb_get, jaydb_put, jaydb_delete, jaydb_list).

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?

Usage context is implied by the sibling tool names: this is for endpoint health checks, not data operations. However, the description does not explicitly state when to prefer this tool or when not to use it.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.