Building agents

38,263 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.

metamcp

2473

mentu-ai/metamcp

MCP server Claude CodeCodexCursor +2

Route long-tail MCP servers through three lazy tools and reviewed declarative Methods. Runs locally from the @mentu/metamcp npm package.

not rated 18 +1 6d ago A tokens not measured original Apache-2.0

swarm-coding

2474

danicat/skills

Skill Claude CodeCodex

Orchestrates multi-agent hierarchical swarms using a divide-and-conquer architecture for complex, multi-system, or orthogonal engineering initiatives (e.g., concurrent backend, frontend, database, QA). Manages hierarchical Lead Agents and Specialists, disjoint work allocations, and strict parent-child communication.…

not rated 18 12d ago A SkillSpector: pass 87 tokens original Apache-2.0

understudy

2475

understudylabs/understudy-agent-tools

Plugin Claude Code

Bundles 43 skills, 1 command · 3,272 tokens together

Improve LLM apps and agents from real traces — reduce cost/latency, raise quality/reliability, capture traces, build evals, run local optimization (GEPA), compare models/providers, and route through Understudy.

not rated 18 13d ago A tokens not measured original MIT

skill-creator

2476

onceMisery/seahorse-agent

Skill Claude CodeCodex

Create new skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, edit, or optimize an existing skill, run evals to test a skill, benchmark skill performance with variance analysis, or optimize a skill's description for better triggering accuracy.

not rated 18 +1 yesterday A 64 tokens copy · 88% Apache-2.0

harness-subagent

2477

ptmrio/harness-subagent

Skill Claude CodeCodex

Use when the user asks to orchestrate, outsource, delegate, or hand off a slice to another coding-agent CLI as a one-shot subagent — Claude Code, Codex, Grok Build, Cursor Agent, Antigravity CLI, Gemini CLI, OpenCode, or Droid — or to ask Claude, ask GPT, ask Codex, ask Grok, ask Gemini, ask Fable, ask Astra, get a…

not rated 18 +1 changed 7d ago A 161 tokens original MIT

中医思维蒸馏器

2478

jangviktor-web/tcm-distiller

Skill Claude CodeCodex

A tool for turning the writings, lectures, and clinical cases of a traditional Chinese medicine practitioner into an AI-usable skill. It captures that practitioner's models, decision rules, language, safety limits, and treatment perspectives.

not rated 18 +3 22d ago A 210 tokens

designing-agents

2479

chankov/agent-fleet

Skill Claude CodeCodex

Designs and writes a focused artifact another agent runs — an agent persona in agents/, a workflow skill in skills/, or a pi session harness in .pi/harnesses/. Use when authoring a reviewer or specialist persona, a repeatable process skill, or a pi extension that reshapes a session — or when rewriting one that is…

not rated 18 +3 today A SkillSpector: warn 82 tokens original MIT

agent-evaluation

2480

ihatesea69/kiro-kit

Skill Claude CodeCodex

Build evaluation harnesses for agents and chatbots — golden sets, deterministic tool-selection checks, LLM-as-a-Judge, Bedrock RAG evaluation jobs, CI gates, and online drift monitoring. Use when an agent needs a quality gate before merge or a quality alarm in production.

not rated 18 26d ago A SkillSpector: pass 61 tokens original MIT

extend-skill

2481

neat-technologies/neat

Skill Claude CodeCodex

/neat extend is a set of six MCP surgical tools for long-tail instrumentation — three diagnostic (read-only), three operative (file-scope-restricted, idempotent, reversible, observable). The user's MCP agent reasons; NEAT operates. NEAT holds no LLM key and never auto-applies. No standalone CLI variant. Discovery is…

not rated 18 today A 106 tokens original Apache-2.0

mcpGateway

2482

naoyoshinori/docker-gemini-cli

MCP server Gemini CLI

MCP server "mcpGateway", hosted remotely at mcp-gateway, as configured in naoyoshinori/docker-gemini-cli.

not rated 18 4d ago A tokens not measured original MIT

dify_creator

2483

muranUSTB/skills-create_skills

Skill Claude CodeCodex

A guided assistant for creating Dify workflows. Dify is a platform for building AI applications, and the assistant produces workflow settings in YAML format that Dify can import.

not rated 17 8mo ago A 38 tokens

attestix

2485

VibeTensor/attestix

MCP server Claude CodeCodexCursor +2

Attestix - Attestation Infrastructure for AI Agents. DID-based agent identity, W3C Verifiable Credentials, EU AI Act compliance, delegation chains, and reputation scoring. 47 MCP tools across 9 modules. Runs locally from the attestix Python package.

not rated 17 4d ago A tokens not measured original Apache-2.0

harness-core

2486

3xachris/3xa-harness

Plugin Claude Code

Bundles 5 skills, 2 plugins · 478 tokens together

The five-skill discipline loop for long-running agent work: freeze a task's scope into a workorder, gate sensory output behind human review, log decisions so they survive a context reset, hand off state when work changes hands, and close out with evidence instead of claims.

not rated 17 15d ago A tokens not measured original MIT

convex-agent

2487

PolarCoding85/convex-agent-skillz

Skill Claude Code

Build AI agents with persistent threads, tool calling, and streaming on Convex. Use when implementing chat interfaces, AI assistants, multi-agent workflows, RAG systems, or any LLM-powered features with message history.

not rated 17 7mo ago A 47 tokens original MIT

agent-copy

2488

shane9coy/Agent-Skill-Architecture-Guide

Skill Claude CodeCodex

Use when the user asks to copy, install, refresh, or update a repo-root AGENTS.md file from their canonical global instruction source. Also use when the user says "agent copy" or wants a repo-local AGENTS.md with global operating rules plus project-specific guidance.

not rated 17 3mo ago A 58 tokens original MIT

mcpx

2489

celados/mcpx

Skill Claude CodeCodex

When a task requires discovering or calling already-configured MCP servers through mcpx, or generating project-local MCP routing skills, run mcpx @skill immediately to load the full usage guide.

not rated 17 7d ago A 42 tokens original MIT

example

2490

prog-time/claude-config-template

Agent Claude Code

Replace this with your agent's description. This text is used by Claude to decide when to invoke the agent — write it as a set of trigger signals, not a general summary. Include typical user phrases in the languages you support.

not rated 17 1mo ago A 48 tokens

swarm

2491

andrew-hernandez-paragon/code-graph-context

Skill Claude CodeCodex

Coordinate multiple parallel subagents using stigmergic pheromone trails and/or explicit task queues in the code graph. Use when you need to parallelize work across multiple files or modules, run a swarm of agents, coordinate agents without direct messaging, or manage complex multi-step workflows. Triggers on "swarm"…

not rated 17 6d ago A 95 tokens original MIT

sodam-persona

2492

sodam-ai/SoDam-Persona

Plugin Claude Code

Bundles 9 skills, 2 commands, 2 hooks · 768 tokens together

A Korean-language AI development-partner persona for vibe coding, where a person guides an AI while building software. It combines an always-active core persona with additional viewpoints and domain guidance when needed.

not rated 17 +3 changed 11d ago A tokens not measured original Apache-2.0

skillforge

2493

WrathZA/skillforge

Plugin Claude Code

Bundles 7 skills · 521 tokens together

Quality-gated skill authoring: create, recap, update, judge, and step-through-apply skills with HITL and an audit/feedback layer.

not rated 17 2mo ago A tokens not measured

pbr

2494

SienkLogic/plan-build-run

Plugin Claude Code

Bundles 44 skills, 71 commands, 18 agents, 3 hooks · 2,267 tokens together

Plan-Build-Run — Structured development workflow for Claude Code. Solves context rot through disciplined subagent delegation, structured planning, atomic execution, and goal-backward verification.

not rated 17 5mo ago A tokens not measured original MIT

succubus

2495

enowdev/succubus

Skill Claude CodeCodex

Coordinate with other AI agents working on this same project. Use at the start of every session, and before editing any file, to adopt your identity, read the shared plan and task board, and lease the files you are about to change so two agents never edit the same file at once.

not rated 17 1mo ago A 62 tokens copy · 100% MIT

inner-os-protocol

2496

SummerSec/AI-Inner-Os

Cursor rule Cursor

A rule set that lets an AI assistant show short inner-monologue messages using the prefix “▎InnerOS:”.

not rated 17 4mo ago A 634 tokens original Apache-2.0

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: