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chuofringer

PlaceRoot

by chuofringer
OverviewSchemaRelated ServersScoreDiscussions
Python
Remote

Data version

data_version
Read-onlyIdempotent

Identify the Overture Maps release backing all PlaceRoot tool answers, with its date and source, cached at process start.

Instructions

Which Overture Maps release backs the answers from every other tool.

Reports the active release string, its date, and whether it came from
live S3 discovery, an operator env override, or the pinned fallback
baked into this build. Resolved once at process start and cached for
the process lifetime — this tool just reports that cached value, it
doesn't re-check upstream, so it's small and has no upstream DB
dependency.

The body is resources.data_version_payload(), shared verbatim with the
placeroot://data-version MCP resource so the two surfaces cannot drift
(issue #195); tests/test_resources.py asserts they stay equal.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Install Server

TDQS

A4.7/5.0
Behavior5/5

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

The description adds substantial behavior beyond the annotations: values are resolved once at process start, cached for the process lifetime, and not re-checked upstream. It also explains the three possible provenance sources and its shared implementation with the placeroot resource, giving an agent accurate expectations about freshness and reliability.

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 compact and front-loaded, with the purpose stated in the first sentence and each following sentence adding meaningful detail: output fields, caching behavior, and alignment with the resource surface. No sentence is filler or redundant with the schema or annotations.

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

Completeness5/5

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

For a zero-parameter, read-only, idempotent tool with an output schema, the description is complete. It explains what the value reports, how it was resolved, its stability, and its relationship to the data-version MCP resource, leaving no practical gap for an agent deciding whether or how to call it.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The tool has zero parameters and the schema is empty, so there is nothing for the description to clarify about arguments. The description instead explains what the report contains, which is all that is needed for a parameterless informational tool.

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 opens with a precise, non-generic statement: 'Which Overture Maps release backs the answers from every other tool.' It then names the exact outputs (release string, date, provenance), making the tool's function unmistakable and clearly distinct from the geographic sibling tools.

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

Usage Guidelines4/5

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

The description clearly frames when to use the tool: whenever an agent needs to know the underlying Overture release behind all other tools. It does not explicitly name alternatives, but no sibling offers this function, and it adds exclusions by noting the tool does not re-check upstream, clarifying it is not a live-source lookup.

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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