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f1verse MCP Server

f1verse MCP Server

by jinsim

Which sessions a given round has, in order.

f1_weekend_sessions
Read-onlyIdempotent

List a Formula 1 round's race weekend sessions with start and end times to confirm valid session inputs and identify sprint weekends.

Instructions

Which sessions a given round has, in order. Lists the sessions of a race weekend with start and end times — the valid inputs for the 'session' argument of the other tools. Call this when unsure whether a round was a sprint weekend.

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": {
      "year": "<year>",
      "round": "<round>"
    },
    "name": "f1_weekend_sessions"
  }
}

Input Schema

NameRequiredDescriptionDefault
yearYesSeason year, e.g. 2026. Race data 2023+.
roundYesRound number within the season, 1-based.

Output Schema

NameRequiredDescriptionDefault
resultYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed3 schema fields changedv0.15.0
    • addedInput schema / properties / round / minimum
      Added value: +1
    • addedInput schema / properties / year / minimum
      Added value: +1950
    • changedOutput schema / (root)
      Previous value: -nullNew value: +{
      +  "additionalProperties": false,
      +  "properties": {
      +    "result": {
      +      "type": "object"
      +    }
      +  },
      +  "required": [
      +    "result"
      +  ],
      +  "type": "object"
      +}
  2. First observedv0.1.0

TDQS

A4.3/5.0
Behavior4/5

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

Annotations already declare readOnly, idempotent, non-destructive, open-world behavior, so the bar is lower. The description still adds real value by disclosing the return shape (sessions with start and end times) and the cross-tool contract that its output feeds the 'session' argument elsewhere.

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?

Three short sentences, front-loaded with the purpose, then the output contract, then the usage trigger. No redundant restatement of the name or title.

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?

An output schema exists, so return values need not be explained in prose, and the description still covers purpose, output contract, and when to call. Nothing an agent needs to invoke this correctly is missing.

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%, with both year and round documented including ranges and the 2023+ data caveat. The description adds no parameter-level meaning beyond the schema, so the baseline 3 applies.

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 states a specific verb and resource ('Lists the sessions of a race weekend') and adds the ordering guarantee ('in order'), which distinguishes it from siblings like f1_session_results that consume a session rather than enumerate them.

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?

It gives an explicit trigger ('Call this when unsure whether a round was a sprint weekend') and explains the downstream use of its output as valid 'session' arguments for other tools. It lacks an explicit when-not or a named alternative, so it falls just short of a 5.

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