flaim: Skill for Claude Code

.agents/skills/flaim-fantasy/SKILL.md

flaim-fantasy is a skill for Claude Code from jdguggs10/flaim. It costs 100 tokens per session (7,507 once invoked), scanned A, original, MIT.

A fantasy-sports analysis skill connected to real league data from ESPN, Yahoo, or Sleeper.

In plain words
What is it for?
Use it for roster, standings, matchup, player, transaction, lineup, waiver, trade, and historical-season analysis, as well as help setting up connected leagues.
Why use it?
It lets an assistant analyze your actual league instead of relying only on general sports knowledge; its league-data access is read-only.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: installed under .agents/ (shared by several agents).

This is jdguggs10/flaim's own configuration. It tells Claude Code how to work on flaim itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything flaim configures →

Part of the flaim-fantasy plugin — 3 skills, 1 MCP server shipped together

Reuse

Borrowing it

Nothing to install: this file belongs to jdguggs10/flaim. 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/jdguggs10/flaim/main/.agents/skills/flaim-fantasy/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/jdguggs10/flaim

Made for: Claude Code.

Or install flaim-fantasy, the plugin that ships this one along with the rest of its 3 skills, 1 MCP server.

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.

agentmods badge for flaim-fantasy

README.md
[![agentmods](https://agentmods.dev/badge/skills/jdguggs10/flaim/flaim-fantasy/github.svg)](https://agentmods.dev/skills/jdguggs10/flaim/flaim-fantasy)
Your own site
<a href="https://agentmods.dev/skills/jdguggs10/flaim/flaim-fantasy"><img src="https://agentmods.dev/badge/skills/jdguggs10/flaim/flaim-fantasy/github.svg" alt="Measured on agentmods" height="20"></a>

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.

agentmods 80×15 button for flaim-fantasy

Your own site · 80×15
<a href="https://agentmods.dev/skills/jdguggs10/flaim/flaim-fantasy"><img src="https://agentmods.dev/badge/skills/jdguggs10/flaim/flaim-fantasy.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 100 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 7,507 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector warn 7 Sept 2026
SkillSpector: 4 findings, up to high

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • high YARA Match · line 139
    YARA rule matched a known malware signature (reverse shell, backdoor, ransomware, C2 framework, or info stealer).
    Fix: Remove the malware payload or compromised file entirely. Investigate how it entered the skill and audit all other artifacts for additional indicators of compromise.
  • medium Excessive Agency · line 33
    Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.
    Fix: Add human-in-the-loop confirmation for destructive, irreversible, or high-impact operations. Never auto-execute commands that modify files, send data, or alter system state.
  • medium Excessive Agency · line 166
    Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.
    Fix: Add human-in-the-loop confirmation for destructive, irreversible, or high-impact operations. Never auto-execute commands that modify files, send data, or alter system state.
  • medium Excessive Agency · line 168
    Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.
    Fix: Add human-in-the-loop confirmation for destructive, irreversible, or high-impact operations. Never auto-execute commands that modify files, send data, or alter system state.
How audits are shown
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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00100 $0.07507
Opus 5 $0.00050 $0.03753
Sonnet 5 $0.00020 $0.01501
Haiku 4.5 $0.00010 $0.00751

Measured 4d ago against content hash 591e339e0e15, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

flaim-fantasy scanned grade A with 0 findings 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 4d 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.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

.agents/skills/flaim-fantasy/SKILL.md · 221 lines

How it starts

The opening of the file, as written. The whole thing — 221 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Flaim Fantasy

You are an expert fantasy sports analyst powered by Flaim. You advise users on lineup, waiver, matchup, trade-evaluation, and other decisions across their fantasy leagues.

What is Flaim?

Flaim is a fantasy analysis service. It combines a tailored analysis skill with tools that connect a user's actual fantasy league data to AI assistants. Its league-data tools are read-only. Its one bounded write tool, refresh_leagues, updates Flaim's own connected-league registry, but it cannot change anything on ESPN, Yahoo, or Sleeper. Users sign up at flaim.app, connect their fantasy platforms, and then use Flaim's MCP tools through ChatGPT, Claude, and other supported MCP clients.

Flaim supports ESPN and Yahoo across football, baseball, basketball, and hockey, and Sleeper across football and basketball. Flaim Fantasy is officially available in ChatGPT's Plugin Store and Claude's Connector Directory. Perplexity and other AI apps connect Flaim manually as a custom connector where their capabilities allow.

How users manage their Flaim leagues, teams, and account

If a user needs help with setup or account management, guide them to:

  • flaim.app — sign in or create an account
  • flaim.app/leagues — connect platforms, add/remove leagues, discover past seasons, set default sport, and set default leagues per sport
  • flaim.app/docs — setup docs: account, platform connections, AI app connections, and sports coverage
  • Chrome extension — captures and syncs ESPN credentials (SWID/espn_s2 cookies)
  • Yahoo — connected with Yahoo sign-in in the Flaim UI
  • Sleeper — connected by entering their Sleeper username (public API, no password needed)
  • Defaults — users can set one default sport and one default league for each sport at flaim.app/leagues. Use these for vague singular prompts. Do not let defaults suppress explicit plural or comparative fan-out across multiple leagues.

Answer setup questions from this guidance without calling an MCP tool unless the user also asks for connected league data or explicitly asks to refresh leagues.

Read the full file on GitHub · 221 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.

  1. 4d ago Changed · +2 lines 591e339e0e15
  2. 5d ago Changed 84c92ebdc5e0
  3. 9d ago First seen · 219 lines · 100 tokens per session scan A ef1b5aa73fd2

Subscribe to this mod's changes

flaim-fantasy is a skill published in the GitHub repository jdguggs10/flaim (17 stars, last pushed today), licensed MIT. It adds 100 tokens to every session and 7,507 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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