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racehooks

@racehooks/mcp

Official

get_race_telemetry_laps

Retrieve per-lap telemetry metrics—speed, throttle, brake, DRS, and aggression—for a race, with optional driver filtering to analyze performance lap by lap.

Instructions

Get per-lap telemetry metrics (speed, throttle, brake, DRS, aggression) from telemetry data. Requires Developer or higher. Optional driverId to filter to one driver.

Input Schema

NameRequiredDescriptionDefault
raceIdYes
driverIdNo

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

B3.4/5.0
Behavior3/5

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

With no annotations, the description carries the full burden, and it does disclose the auth tier requirement, which is genuinely useful behavioral context. It does not cover read-only guarantees explicitly, rate limits, return shape, or pagination, so significant burden remains undocumented.

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?

Three short sentences, front-loaded with the core purpose and with zero filler. It is appropriately sized; the only missed opportunity is spending one clause on sibling disambiguation instead.

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?

For a read tool with no annotations, no output schema, and 0% schema coverage, the description covers purpose, auth, and one filter but leaves the return shape, granularity/units of the metrics, and the distinction from get_telemetry_laps unclear.

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 0%, so the description must compensate. It explains driverId as an optional single-driver filter, but raceId is left entirely implicit and no format/ID conventions are given for either parameter.

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?

States a specific verb+resource ('Get per-lap telemetry metrics') and enumerates the returned metrics (speed, throttle, brake, DRS, aggression), which is far better than a tautology. However, it gives no signal to separate it from near-identical siblings such as get_telemetry_laps, get_telemetry_driver_laps, and get_race_telemetry_stints.

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?

It does add real context: 'Requires Developer or higher' is a prerequisite and 'Optional driverId to filter to one driver' describes a filtering mode. What is missing is any when-to-use guidance against the several overlapping telemetry siblings, leaving the agent to guess which telemetry endpoint to call.

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