Agent skills for Claude Code

Plan and review paid-media budgets, bidding, pacing, marginal return, forecasts, CPA, ROAS, MER, LTV:CAC, constraints, and allocation…

Produce a structured budget variance analysis from actual vs budget figures.

Use at the START of any bug bounty hunting session, when switching targets, or when feeling lost about what to do next.

Bug bounty program management and security disclosure expertise for smart contracts.

Framework for backlog bug cleanup sessions.

Generates a structured Bug Fix Brief (BFB) to document issue corrections.

Hunt for bugs in a feature using Playwright browser automation

Full bug hunt cycle — dispatch 4 sibling bug-hunter methodology skills in parallel, cross-validate findings, present design decisions, and…

Find correctness bugs in source code through differential and invariant-based analysis.

Automate Bugherd tasks via Rube MCP (Composio).

Take a PRD and build a dark factory around it - a repository that takes work in as an issue and ships validated code out with nobody at…

Build a new production-ready service from scratch — config management, health checks, graceful shutdown, structured logging.

Build a compact Coval test set from product requirements, observed conversation failures or a coverage gap.

Write SLO-based alert rules with burn rate thresholds and paired runbooks.

Create, patch, validate, and render Excalidraw diagrams through deterministic JSON and layout checks before delivery.

This skill should be used when the user wants to build an "MCP app", add "interactive UI" or "widgets" to an MCP server, "render…

Design and spec an analytical dashboard — define the question each chart answers, write the SQL queries, spec the layout and refresh…

Build out the transformation layers (`staging/`, `intermediate/`) of a data product and run dbt against them, following project-wide…

Executes intelligent, incremental build checks and test verifications based on changed files and caching.

Audits, optimizes, and updates build and test verification configurations to ensure robust project validation.

Build or refactor an AppKit app feature on top of SwiftASB using explicit application, window, document, thread, and turn ownership with…