What is StatsPlus-MCP CLAUDE.md?

Developer instructions for StatsPlus-MCP, a server that exposes baseball league data as tools for AI clients. They document its TypeScript structure, configuration variables, authentication, and available statistics tools.

They guide setup and maintenance of the API client and tools for retrieving player, batting, and other league statistics.

They explain how to connect to a league and use the server correctly, including when a login session is required.

How joshuarichard/StatsPlus-MCP configures Claude Code

Reuse

Borrowing it

Nothing to install: this file belongs to joshuarichard/StatsPlus-MCP. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file

curl -O https://raw.githubusercontent.com/joshuarichard/StatsPlus-MCP/main/CLAUDE.md

Clone the repo

git clone --depth 1 https://github.com/joshuarichard/StatsPlus-MCP

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

README.md

[![agentmods](https://agentmods.dev/badge/instructions/joshuarichard/statsplus-mcp/claude-md/github.svg)](https://agentmods.dev/instructions/joshuarichard/statsplus-mcp/claude-md)

Your own site

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Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

Your own site · 80×15

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Per session 4,287 This file is loaded in full into every session.

When invoked 4,287 The same file — it is already loaded in full.

Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe.

Origin original No closer match found in the catalogue.

Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

Model	Per session	Once invoked
Fable 5.1	$0.04287	$0.04287
Opus 5.5	$0.01715	$0.01715
Sonnet 5.5	$0.00857	$0.00857
Haiku 4.5	$0.00429	$0.00429

Measured 2mo ago against content hash 676dc317e690, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

StatsPlus-MCP CLAUDE.md scanned grade A with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

1. Verify the endpoint against the live API with `curl` using `year=<latest>` to confirm it returns data

CLAUDE.md · 222 lines

How it starts

The opening of the file, as written. The whole thing — 222 lines — stays where its author put it; the contents beside it link to each section on GitHub.

statsplus-mcp

MCP server that exposes the StatsPlus API as tools for use with Claude and other MCP-compatible clients.

Project Structure

src/
  index.ts    – MCP server entry point (stdio transport)
  client.ts   – HTTP client for the StatsPlus REST API
  tools.ts    – Tool definitions with co-located handlers
  types.ts    – TypeScript interfaces for API data
tests/
  client.test.ts  – Unit tests for StatsPlusClient
  tools.test.ts   – Unit tests for tool dispatch

Environment Variables

Variable	Required	Description
`STATSPLUS_LEAGUE_URL`	Yes	Your league's URL slug, e.g. `myleague`
`STATSPLUS_COOKIE`	No	Session cookie for authenticated access

Authentication note: The StatsPlus API requires you to be logged in to your league at https://statsplus.net/<LGURL> and linked to a team. Pass your session cookie via STATSPLUS_COOKIE in the format sessionid=<value>;csrftoken=<value>.

Both variables are configured in your MCP client config (e.g. ~/.claude/mcp.json).

Available Tools

Tool	Description
`get_player_batting_stats`	Batting stats; filter by `year`, `pid`, `split`, `lid`
`get_player_pitching_stats`	Pitching stats; filter by `year`, `pid`, `split`, `lid`
`get_player_fielding_stats`	Fielding stats by position; filter by `year`, `pid`, `split`, `lid`
`get_team_batting_stats`	Team batting stats with rate stats; filter by `year`, `split`
`get_team_pitching_stats`	Team pitching stats with rate stats; filter by `year`, `split`
`get_players`	Player roster; filter by `team_id` or `org_id` (all players in an MLB org)
`find_player`	Search players by name (partial, case-insensitive) — resolves name → ID without full roster download
`start_ratings_job`	Fires the async ratings export job and returns a `poll_url` immediately — call at start of workflow
`get_ratings`	Collect ratings results; pass `poll_url` from `start_ratings_job` to skip re-starting the job; filter by `player_ids`
`get_game_history`	All major league games with scores, hits, errors, and pitcher IDs
`get_contracts`	Active player contracts; filter by `team_id` (MLB org) or `player_id`
`get_contract_extensions`	Signed extensions taking effect in future seasons
`get_teams`	Team list with IDs and abbreviations
`get_draft`	Draft picks; optionally filter by league `lid`
`get_exports`	CSV export of all games (scores, pitchers, dates)

Read the full file on GitHub · 222 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

2mo ago First seen · 222 lines · 4,287 tokens per session scan A 676dc317e690

Subscribe to this mod's changes

StatsPlus-MCP CLAUDE.md is an instructions file published in the GitHub repository joshuarichard/StatsPlus-MCP (5 stars, last pushed 7mo ago), licensed MIT. It adds 4,287 tokens to every session, about $0.0171 per session on Opus 5.5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

Analytics and metrics baseball claude mcp model-context-protocol ootp statsplus

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StatsPlus-MCP: Instructions file for Claude Code