16,369 mods tagged anthropic that install into Claude Code, measured the same four ways as everything else here: what each costs in tokens on every session, what a security scan found and why, whether it is the original, and what changed.
Agent-native Stata bridge for Claude Code. Drive DiD/IV/RDD and publication-ready esttab tables in plain language, then cross-validate each estimate against StatsPAI. Bundles an MCP server (21 tools, 14 workflow prompts, token-economy result schema, typed errors, multi-session) and an agent skill with an on-demand…
★not rated 43 9d agoA
tokens not measured
originalMIT
Rewrite a rough prompt into a polished, model-specific prompt grounded in the official Anthropic prompting guides. Use when the user invokes prompt-polish, types an invocation like "prompt-polish/FABLE 5/[prompt]" or "prompt-polish/OPUS 4.8/[prompt]", or asks to polish, improve, rewrite, optimize, or tune a prompt for…
Guides developers through a human-supervised PDCA framework for AI code generation. Applies analysis, TDD, validation, and retrospection. Activates for sessions requiring systematic quality control.
Verification-gated workflow plugin for Claude Code tasks. Adds lightweight hooks for task classification, verification tracking, and stop-time completion review.
★not rated 41 1mo agoA
tokens not measured
originalMIT
Comprehensive Mastra framework guide. Teaches how to find current documentation, verify API signatures, and build agents and workflows. Covers documentation lookup strategies (embedded docs, remote docs), core concepts (agents vs workflows, tools, memory, RAG), TypeScript requirements, and common patterns. Use this…
Search for today's latest AI news and create/update a comprehensive briefing in Notion, with optional Obsidian vault publishing for graph visualization.
MCP Server for Apple Music — search, library, playlist management via Claude. Runs locally from the mcp-apple-music-server Python package. Needs 5 environment variables to run.
★not rated 41▲
+3 3mo agoA
tokens not measured
originalMIT
Use proactively when you need to implement features or fix bugs using strict Test-Driven Development (TDD) methodology. This agent should be activated for any coding task that requires writing new functionality, refactoring existing code, or ensuring comprehensive test coverage, but should not be used for any…
Expert-level AI implementation, deployment, LLM integration, and production AI systems. Use when the user mentions AI engineering, LLM, deployment, production AI, or integration, or when the task involves LLM Patterns, LLM Integration, or Production Systems.
Designs Claude Code prompts and CC environments. Produces CLAUDE.md drafts, agent topologies, scope-authorization frameworks, halt triggers, Skills/hooks/MCP plans, chat-to-CC handoff specs, and EXECUTIONPLAN.md remediation plans. Five modes: DESIGN (new CC deployments), EVOLVE (updates from friction), RESEARCH…
Use this skill any time a spreadsheet file is the primary input or output. This means any task where the user wants to: open, read, edit, or fix an existing .xlsx, .xlsm, .xltx, .csv, or .tsv file (e.g., adding columns, computing formulas, formatting, charting, cleaning messy data); create a new spreadsheet from…
Five-level autonomous self-healing system for OpenClaw Gateway with preflight config validation, persistent learning, reasoning logs, and multi-channel alerts. Features Claude Code as the Level 3 emergency doctor for AI-powered diagnosis and repair.
Browser MCP — control your real Chrome from Claude Code. 34 tools, CAPTCHA solving, date pickers, autocomplete combobox, overlay dismissal, file upload, multi-session, human-in-the-loop. Runs locally from the @agent360/browser-mcp npm package.
★not rated 39 yesterdayA
tokens not measured
originalMIT
Repository implementation guide for the local-skills-mcp codebase. Use when asked: how src/index.ts and src/skill-loader.ts work together; where MCP tool handlers are defined and registered; how getAllSkillsDirectories priority and override behavior works; how local-skills-mcp discovers skills and merges metadata…
MCP tools for LTspice/ngspice circuit simulation and LTspice .asc schematic editing. Structured results include per-device operating points (gm/gds/vth) by device name, without parsing raw files. Tracks the latest ltspice-mcp release on PyPI.
★not rated 39▲
+2
changed todayA
tokens not measured
GPL-3.0
Elite website image-to-code skill for Codex. For visually important web tasks, it must first generate the design image(s) itself, deeply analyze them, then implement the website to match them as closely as possible. In Codex, it must prefer large, readable, section-specific images instead of tiny compressed boards…
★not rated 39▲
+1 yesterdayA116 tokens
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: