Building agents

38,442 mods in this category, of every kind an agent can take. Each one carries what it costs per session, what the scan found, and whether it is the original.

claude-agent-sdk

5329

berekvolgyipeter/dotclaude

Skill Claude Code

Expert implementation guidance for the Claude Agent SDK (Python). Use when users are building with the Agent SDK — creating custom tools, managing sessions, controlling permissions, streaming responses, integrating MCP servers, adding hooks, defining subagents, or deploying SDK-based agents. Also use for SDK…

not rated 2 13d ago A 107 tokens original MIT

agentify

5330

avnath13/agentify

Skill Claude CodeCodex

Design production-grade agentic AI systems from a natural-language use case. Runs a clarification loop, walks grounded decision trees (workflow vs agent, RAG vs fine-tuning, single vs multi-agent, autonomy tiers), and emits a detailed enterprise system design document with embedded interactive architecture, sequence…

not rated 2 2mo ago A 179 tokens original MIT

promptsmith

5331

emtcmca/promptsmith

Plugin Claude Code

Bundles 2 skills, 4 commands, 20 agents · 1,134 tokens together

Prompt & context engineering for agents — /sharpen rough requests, /forge-agent reusable system prompts, /lens to review through expert lenses (or grade a prompt against a rubric with --grade), and /orchestrate multi-domain builds across a 20-agent specialist gallery. Eval-backed. Zero dependencies, no API keys, model.

not rated 2 16d ago A tokens not measured original Apache-2.0

long-running-tasks

5332

mmTheBest/long-running-tasks

Skill Claude CodeCodex

Orchestrate multi-phase background development using coding agents. Use when: (1) a project has multiple sequential tasks that should run autonomously without human intervention between steps, (2) the user wants continuous background work with crash recovery, stall detection, and progress reporting, (3) the user…

not rated 2 6mo ago A 106 tokens original MIT

skill-development

5333

smarks26/claude-plugin-template

Skill Claude Code

This skill should be used when the user wants to "create a skill", "add a skill to plugin", "write a new skill", "improve skill description", "organize skill content", or needs guidance on skill structure, progressive disclosure, or skill development best practices for Claude Code plugins.

not rated 2 3mo ago A 63 tokens copy · 100% MIT

agent-skills-toolkit

5335

product-on-purpose/agent-skills-toolkit

Plugin Claude Code

Bundles 27 skills, 2 commands, 7 agents, 1 hook, 1 plugin · 2,078 tokens together

Toolkit and Standard for authoring, validating, governing, and scaling cross-agent skill libraries (Claude Code and Codex) to a tiered Bronze/Silver/Gold quality bar. Use when building or grading agent skill plugins, when emitting components for multiple agents, or when adopting the Advanced Skill Library Standard.

not rated 2 changed today A tokens not measured original Apache-2.0

Provider Management

5336

AttendantLion8/provider-fallback-plugin

Skill Claude CodeCodex

Skill for managing model provider priorities with authentication (OAuth/Subscription/API), usage limits, and automatic fallback across all major AI providers.

not rated 2 8mo ago A 28 tokens original MIT

codebeacon

5337

Wandererer/codebeacon

Skill Claude CodeCodex

Scan a codebase → AST extraction → knowledge graph → wiki + CLAUDE.md context map. Supports 27 frameworks (Spring Boot, NestJS, Django, FastAPI, Flask, Rails, Express, Fastify, Koa, React, Next.js, Vue, Nuxt, Angular, SvelteKit, Gin, Echo, Fiber, Laravel, Actix-Web, Axum, Tauri, Rocket, Warp, ASP.NET Core, Vapor…

not rated 2 18d ago B 99 tokens original MIT

plan-check

5338

ytubecoder/codex-in-claude

Skill Claude Code

Iterative plan review with Codex, Grok, Gemini/Antigravity, or all (council). Trigger phrases: 'get codex to check', 'codex review', 'grok review', 'gemini review', 'agy review', 'what does grok/gemini think', 'ask both', 'ask all three', 'council review', 'second opinion on this plan'. Claude mediates — agrees…

not rated 2 1mo ago A 104 tokens original MIT

Agents

5339

fr3kstyle/fr3k

Skill Claude CodeCodex

Dynamic agent composition and management system. USE WHEN user says create custom agents, spin up custom agents, specialized agents, OR asks for agent personalities, available traits, agent voices. Handles custom agent creation, personality assignment, voice mapping, and parallel agent orchestration.

not rated 2 6mo ago A 54 tokens

threnody

5340

timjensgrossinger/threnody

Plugin Claude Code

Bundles 10 skills, 3 agents · 650 tokens together

Local-first MCP meta-harness: routes, plans, and swarms multi-agent coding work — emitting tier-aware Dynamic Workflows on Claude Code — while the host shell executes via Agent/Task subagents.

not rated 2 22d ago A tokens not measured original Apache-2.0

team-dev-agent

5341

DataArcTech/team-dev-agent

Skill Claude CodeCodex

A software-development workflow for teams using Claude Code and Codex, covering work on real products such as websites, mobile apps, and business software.

not rated 2 6mo ago A 126 tokens

check-my-skills

5342

tonyfadel23/skill-inspector

Plugin Claude Code

Bundles 3 skills · 256 tokens together

Parse, visualize, and audit SKILL.md files as interactive DAGs with quality scoring and structural diagnostics.

not rated 2 5mo ago A tokens not measured original MIT

garage

5345

alifanov/ai-garage-launch

Plugin Claude Code

Bundles 4 skills, 12 commands, 2 agents · 703 tokens together

A workflow plugin for launching a product with the AI Garage method, from an initial idea through payments. Each team reads project documents, completes one step, records the result, and suggests the next command.

not rated 2 1mo ago A tokens not measured original MIT

forge

5347

Giamme/forge

Skill Claude Code

Dispatch implementation and independent diff review to user-selected models through local agent CLIs. Use for /forge or explicit requests to delegate coding or review; explanation-only questions do not authorize dispatch.

not rated 2 changed 4d ago A 39 tokens

sutra

5349

avmnu-sng/sutra

Plugin Claude Code

Bundles 19 skills, 4 agents, 2 hooks · 1,168 tokens together

A senior-engineer operating system for Claude Code -- architecture review, verification discipline, multi-session build orchestration, doc sanitization, and commit craft, delivered as skills, subagents, and layered lite/standard/strict profiles.

not rated 2 1mo ago A tokens not measured original MIT

saas-accelerator

5351

Aizaz-Noor/Agent-Startup-Skills

Skill Claude CodeCodex

Master orchestrator skill that coordinates a full multi-agent startup pipeline. Triggers on: build SaaS, launch startup, startup accelerator, build product, create MVP, SaaS builder, million dollar startup, build me a business, or using the Startup Factory. Coordinates 8 specialized sub-skills in a gated…

not rated 2 4mo ago A 73 tokens original MIT

skillscake

5352

skillscake/use-skillscake

Skill Claude CodeCodex

Create or upgrade an agent skill with SkillsCake. Use when the user wants to improve a skill using SkillsCake, create a skill based on a completed workflow, or says "use SkillsCake".

not rated 2 2mo ago A 43 tokens original Apache-2.0

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