bazinga: Skill for Claude Code

.claude/skills/pattern-miner/SKILL.md

pattern-miner is a skill for Claude Code from mehdic/bazinga. It costs 12 tokens per session (1,136 once invoked), scanned A, original, MIT.

A project-analysis skill that studies historical project data to find recurring patterns and help predict future issues.

In plain words
What is it for?
Use it after at least five completed project runs, when estimating tasks, planning new projects, investigating recurring issues, or conducting a post-mortem.
Why use it?
It can reveal repeated problems and make planning estimates more grounded in what happened on earlier projects. It requires enough completed project history to identify meaningful patterns.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter. Also seen: reads .claude/ paths.

This is mehdic/bazinga's own configuration. It tells Claude Code how to work on bazinga 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 bazinga configures →

Reuse

Borrowing it

Nothing to install: this file belongs to mehdic/bazinga. 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/mehdic/bazinga/main/.claude/skills/pattern-miner/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/mehdic/bazinga

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.

agentmods badge for pattern-miner

README.md
[![agentmods](https://agentmods.dev/badge/skills/mehdic/bazinga/pattern-miner/github.svg)](https://agentmods.dev/skills/mehdic/bazinga/pattern-miner)
Your own site
<a href="https://agentmods.dev/skills/mehdic/bazinga/pattern-miner"><img src="https://agentmods.dev/badge/skills/mehdic/bazinga/pattern-miner/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 pattern-miner

Your own site · 80×15
<a href="https://agentmods.dev/skills/mehdic/bazinga/pattern-miner"><img src="https://agentmods.dev/badge/skills/mehdic/bazinga/pattern-miner.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 12 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,136 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.
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 $0.00012 $0.01136
Opus 5.5 $0.00005 $0.00454
Sonnet 5.5 $0.00002 $0.00227
Haiku 4.5 $0.00001 $0.00114

Measured 2mo ago against content hash 6dce1f305f84, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

pattern-miner 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 2mo ago.

The scan reads SKILL.md. This mod also ships 2 executable files (scripts/mine.ps1, scripts/mine.sh), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

.claude/skills/pattern-miner/SKILL.md · 176 lines

How it starts

The opening of the file, as written. The whole thing — 176 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Pattern Miner Skill

You are the pattern-miner skill. When invoked, you analyze historical project data to identify recurring patterns, predict future issues, and provide data-driven recommendations.

When to Invoke This Skill

Invoke this skill when:

  • After 5+ completed project runs (need historical data)
  • PM is estimating new tasks (to apply learned multipliers)
  • Recurring issues detected (to identify patterns)
  • Planning phase of new projects (to use predictive insights)
  • Post-mortem analysis (to extract lessons learned)

Do NOT invoke when:

  • First or second project run (insufficient data)
  • Historical data unavailable or corrupted
  • Emergency situations requiring fast action
  • User explicitly requests to skip pattern analysis

Your Task

When invoked:

  1. Execute the pattern mining script
  2. Read the generated insights report
  3. Return a summary to the calling agent

Step 1: Execute Pattern Mining Script

Use the Bash tool to run the pre-built pattern mining script.

On Unix/macOS:

bash .claude/skills/pattern-miner/scripts/mine.sh

On Windows (PowerShell):

pwsh .claude/skills/pattern-miner/scripts/mine.ps1

Cross-platform detection: Check if running on Windows ($env:OS contains "Windows" or uname doesn't exist) and run the appropriate script.

This script will:

  • Read bazinga/historical_metrics.json
  • Extract task type patterns (database, auth, API, etc.)
  • Calculate estimation multipliers by task type
  • Detect 99% rule violation patterns
  • Generate predictions for current project
  • Create bazinga/artifacts/{SESSION_ID}/skills/pattern_insights.json

Step 2: Read Generated Report

Use the Read tool to read:

bazinga/artifacts/{SESSION_ID}/skills/pattern_insights.json

Extract key information:

  • patterns_detected - Array of identified patterns with confidence scores
  • estimation_adjustments - Recommended multipliers by task type
  • predictions_for_current_project - Forecasts for pending tasks
  • risk_indicators - Probability of escalation/failure
  • lessons_learned - Top insights from historical data

Read the full file on GitHub · 176 lines

Files

What ships with it

2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 2mo ago First seen · 176 lines · 12 tokens per session scan A 6dce1f305f84

Subscribe to this mod's changes

pattern-miner is a skill published in the GitHub repository mehdic/bazinga (22 stars, last pushed 9mo ago), licensed MIT. It adds 12 tokens to every session and 1,136 once invoked, about $0.0000 per session on Opus 5.5. 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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