anthropic for Claude Code

16,813 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.

Also for Claude Code: Git and workflow · Python · Web3 and blockchain · React · TypeScript · Go · docker · Rust · Localization · PostgreSQL · nextjs · bun

ecc

01

affaan-m/ECC

Plugin Claude Code

Bundles 78 skills, 58 commands, 70 agents, 1 MCP server · 7,474 tokens together

Harness-native ECC plugin for engineering teams - 71 agents, 311 skills, 97 legacy command shims, reusable hooks, rules, MCP conventions, and operator workflows for Claude Code plus adjacent agent harnesses.

not rated 287k +5.0k changed 11d ago A ✓ AI review tokens not measured original MIT

dcf-model

02

NousResearch/hermes-agent

Skill Claude CodeCodex

Build discounted cash flow valuation workbooks in Excel.

not rated 256k +1.8k today A Snyk: warnSkillSpector: warn 14 tokens original MIT

docs-langchain

03

langchain-ai/langchain

MCP server Claude CodeCodexCursor +2 ✓ vendor

One of 2 in .mcp.json

MCP server "docs-langchain", hosted remotely at docs.langchain.com, as configured in langchain-ai/langchain.

5 · 1 148k +344 today A tokens not measured original MIT

caveman

04

JuliusBrussee/caveman

Plugin Claude Code

Bundles 22 skills, 9 commands, 3 agents · 1,297 tokens together

Ultra-compressed communication mode. Shortens prose while preserving technical terms, code, commands, and exact errors.

not rated 114k +1.3k changed 9d ago A tokens not measured original Apache-2.0

omni-inference

06

diegosouzapw/OmniRoute

Skill Claude CodeCodex

The core OpenAI-compatible inference endpoints: chat completions, embeddings, images, audio (TTS/STT), moderations, rerank, and the Responses API. The primary integration surface for AI agents.

not rated 79k +1.6k changed 4d ago A Socket: passSnyk: warnSkillSpector: warn 47 tokens original MIT

ulw-research

09

code-yeongyu/oh-my-openagent

Skill Claude Code

Runs maximum-saturation research with a cooperating team, claim-graph gating, and a cited, QA'd deliverable. Use when the user explicitly asks for research or a deep investigation, including any 'ulw' research wording.

not rated 70k +159 changed yesterday A SkillSpector: pass 51 tokens

claude-api

10

asgeirtj/system_prompts_leaks

Skill Claude CodeCodex

Reference for the Claude API / Anthropic SDK — model ids, pricing, params, streaming, tool use, MCP, agents, caching, token counting, model migration. TRIGGER — read BEFORE opening the target file; don't skip because it "looks like a one-liner" — whenever: the prompt names Claude/Anthropic in any form (Claude…

not rated 70k +293 changed 6d ago A ✓ AI review Snyk: passSkillSpector: warn 294 tokens original CC0-1.0

rust-string-enums

11

BerriAI/litellm

Skill Claude CodeCodex

Define or refactor Rust string-valued enums and their Serde adapters in litellm-rust, using Strum and serdewith while preserving parsing, wire values, and schemas.

not rated 62k +438 changed 14d ago A 41 tokens

codebase-design

12

danny-avila/LibreChat

Skill Claude CodeCodex

Shared vocabulary for designing deep modules. Use when the user wants to design or improve a module's interface, find deepening opportunities, decide where a seam goes, make code more testable or AI-navigable, or when another skill needs the deep-module vocabulary.

not rated 46k 5d ago A SkillSpector: pass 57 tokens copy · 100% MIT

davila7/claude-code-templates

Skill Claude CodeCodex

Product marketing, positioning, GTM strategy, and competitive intelligence. Includes ICP definition, April Dunford positioning methodology, launch playbooks, competitive battlecards, and international market entry guides. Use when developing positioning, planning product launches, creating messaging, analyzing…

not rated 33k +148 yesterday A Socket: passSnyk: passSkillSpector: pass 92 tokens original MIT

9router-image

15

decolua/9router

Skill Claude CodeCodex

Generate images via 9Router /v1/images/generations using OpenAI / Gemini Imagen / DALL-E / FLUX / MiniMax / SDWebUI / ComfyUI / Codex models. Use when the user wants to create, generate, draw, or render an image, picture, or text-to-image (txt2img).

not rated 31k +309 7d ago A Snyk: passSkillSpector: warn 74 tokens original MIT

claude-hud

16

jarrodwatts/claude-hud

Plugin Claude Code

Bundles 2 commands · 28 tokens together

Real-time statusline HUD for Claude Code - context health, tool activity, agent tracking, and todo progress.

not rated 29k +188 changed yesterday A tokens not measured original MIT

art-bible

17

Donchitos/Claude-Code-Game-Studios

Skill Claude Code

Author the Art Bible — visual identity gating asset production. Run before /map-systems.

not rated 27k +460 changed 3d ago A Socket: passSnyk: passSkillSpector: warn 22 tokens original MIT

xbtlin/ai-berkshire

Skill Claude Code

A research workflow for private companies, meaning businesses whose shares are not traded on a public stock exchange. It uses several research roles to investigate the company in depth.

not rated 17k +83 today A Snyk: warnSkillSpector: pass 33 tokens original MIT

imagegen

19

NanmiCoder/cc-haha

Skill Claude Code

Generate original images, artwork, product visuals, diagrams, or other raster assets with the desktop's configured image provider. Use whenever the user asks to create or generate an image.

not rated 15k +85 today A SkillSpector: warn 38 tokens original

aden-hive/hive

Skill Claude CodeCodex

Required before any hive-browser CLI command. The browser is driven from the terminal by running hive-browser ... --json via terminalexec — not via MCP tools. Teaches the browser lifecycle rules (the bridge attaches to the USER'S running Chrome — never kill or launch browser processes; timeouts are transport issues…

not rated 11k +11 3d ago A SkillSpector: warn 142 tokens original Apache-2.0

html-artifacts

21

langchain-ai/open-swe

Skill Claude CodeCodex ✓ vendor

Author the HTML for a plan artifact, dashboard iframe, or Slack attachment — structure, design plan, available runtime, theming, and craft. Read this before writing HTML for saveplan, outputiframe, or slackattachhtml.

not rated 11k +58 changed 20d ago A Snyk: passSkillSpector: pass 51 tokens original MIT

free-llm-apis

22

mnfst/awesome-free-llm-apis

Skill Claude CodeCodex

Guide users through obtaining and configuring free API keys for LLM providers. Use when the user wants to set up a free LLM API, get a free API key, connect to a free model provider, configure an OpenAI-compatible endpoint at no cost, or asks about free tiers for AI models. Triggers on "free API key", "free LLM", "set…

not rated 11k +575 today A SkillSpector: pass 116 tokens original CC0-1.0

writing-docs

23

olimorris/codecompanion.nvim

Skill Claude CodeCodex

Writing CodeCompanion.nvim docs. Use when creating or editing any page in doc/.

not rated 6.9k +3 2d ago A 23 tokens original Apache-2.0

clawrouter

24

BlockRunAI/ClawRouter

Skill Claude CodeCodex

Hosted-gateway LLM router — save 84% on inference costs. A local proxy that forwards each request to the blockrun.ai gateway, which routes to the cheapest capable model across 90 models from OpenAI, Anthropic, Google, DeepSeek, xAI, Z.AI, and more. Free open-weight models included. Also exposes realtime market data…

not rated 6.6k +8 changed yesterday A SkillSpector: warn 171 tokens original MIT

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