Building agents

38,013 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.

neo4j

937

okikusan-public/stock_skills

MCP server Claude CodeCodexCursor +2

Neo4j MCP server for integrating Neo4j graph database with Claude Desktop through natural language interactions. Runs locally from the @alanse/mcp-neo4j-server npm package. Needs 3 environment variables to run.

not rated 132 4mo ago A tokens not measured

loopany-reflect

938

superdesigndev/loopany

Skill Claude CodeCodex

Self-improvement loop for loopany. Reads recent task outcomes + dismissed signals, discovers patterns, writes learning and skill-proposal artifacts. Also handles accepting/rejecting proposals. Triggers: 'reflect', 'what have we learned', 'improve yourself', ≥3 tasks done recently, 'accept ', 'reject ', 'review…

not rated 132 +1 3mo ago A 90 tokens

krypton

939

jturntdev/krypton

Plugin Claude Code

Bundles 3 skills · 236 tokens together

Goal-based planning and proof gate for production-grade AI coding agent work.

not rated 132 +2 1mo ago A tokens not measured original MIT

kit-extensions

941

mark3labs/kit

Skill Claude CodeCodex

Guide for creating Kit extensions. Use when the user asks to build, create, or modify a Kit extension, add a custom tool, slash command, widget, keyboard shortcut, editor interceptor, tool renderer, or hook into any Kit lifecycle event.

not rated 132 +2 changed 2d ago A 53 tokens original MIT

agent-kit

942

davidpc007/solana-agent-kit

MCP server Claude CodeCodexCursor +2

MCP server "agent-kit" as configured in davidpc007/solana-agent-kit. Runs /absolute/path/to/build/index.js with node. Needs 3 environment variables to run.

not rated 131 9d ago A tokens not measured copy · 100% Apache-2.0

luoyuctl/agenttrace

Skill Claude CodeCodex

Audit local AI coding-agent sessions with agenttrace. Use when the user asks to inspect Claude Code, Codex CLI, Gemini CLI, Qwen Code, Cline, Aider, Cursor exports, Hermes Agent, OpenCode, OpenClaw, Pi, Oh My Pi, Kimi CLI, Copilot-style logs, or generic JSON/JSONL traces for cost, tokens, tool failures, latency…

not rated 131 +2 yesterday A SkillSpector: pass 99 tokens original MIT

book-to-skill

944

apple-ouyang/book-to-skill

Skill Claude CodeCodex

A method for turning a book into an executable Skill for Claude Code, so an AI coding assistant can apply the book’s frameworks, methods, and examples. It also explains when to split a large book across multiple agents.

not rated 131 +7 6mo ago A 51 tokens original MIT

duoduoler-ops/Table-GitHub-Capability-Router

Skill Codex

Read-only audit of Skill, Plugin, MCP, hook, and rules visibility across coding-agent clients. Use when the user requests capability inventory, routing analysis, or a repeat audit after client or extension updates. Never change files or client configuration.

not rated 131 +7 7d ago A SkillSpector: pass 54 tokens original MIT

agy

946

keli-wen/agy-staff

Plugin Claude Code

Bundles 14 skills · 1,180 tokens together

Delegate work to Google's Antigravity CLI (agy) with fast Gemini access - five personas: staffer (general), researcher, reviewer (code and plans), implementer, ask.

not rated 131 +37 changed yesterday A tokens not measured original MIT

AgentStalker

947

Gach0ng/AgentStalker

Skill Claude CodeCodex

A security-audit skill for AI agents that examines seven attack areas, including user input, memory, tool calls, plugins, permissions, collaboration between agents, and monitoring.

not rated 130 +3 1mo ago B 383 tokens

airbyte-agent-sdk

948

airbytehq/airbyte-agent-sdk

Plugin Claude Code

Bundles 4 skills · 191 tokens together

Give your AI agents access to third-party APIs (Salesforce, HubSpot, GitHub, Slack, Stripe, Jira, Notion, Intercom, Zendesk, and more) through strongly typed, well-documented tools.

not rated 130 yesterday A tokens not measured

appautomaton/agent-designer

Skill Claude CodeCodex

Delegate tasks to Codex CLI for prototyping, debugging, code review, implementation handoff, cross-model second opinions, and multi-turn Codex sessions via SESSIONID.

not rated 130 2d ago A 42 tokens

cdesktop

951

cdesktop-ai/cdesktop

Skill Claude CodeCodex

Operate the cdesktop coding-session environment — agent teams, session management, file conventions.

not rated 130 +13 3mo ago A 20 tokens original Apache-2.0

agent-eval-cases

952

agentailor/fullstack-langgraph-nextjs-agent

Skill Claude CodeCodex

Decide which AI agent behaviors are worth an eval case, then write those cases — harness-, framework-, and language-agnostic. Use when writing a first eval suite for an agent, adding cases to an existing one, reviewing eval cases or scorers someone else wrote, choosing between a deterministic check and an LLM judge…

not rated 130 +1 8d ago A SkillSpector: pass 174 tokens original MIT

find-skills

953

l3gi0nXXXX/Metis-agent

Skill Claude CodeCodex

Helps users discover and install agent skills when they ask questions like "how do I do X", "find a skill for X", "is there a skill that can...", or express interest in extending capabilities. This skill should be used when the user is looking for functionality that might exist as an installable skill.

not rated 129 2d ago A SkillSpector: warn 67 tokens original MIT

clean-room

954

AlexZio00/sovereign-skills

Plugin Claude Code

Bundles 1 skill · 0 tokens together

Carves safety-adjacent requests into a safe scope, executed by a genuinely isolated fresh-context subagent, with an adversarial verify pass and a descope ledger.

not rated 129 +2 5d ago A tokens not measured original MIT

writing-skills

955

ryfineZ/my-ai-skills

Skill Claude CodeCodex

Use when creating new skills, editing existing skills, or verifying skills work before deployment.

not rated 128 +2 5mo ago A 20 tokens

openclone

956

team-attention/openclone

Skill Claude Code

Create, manage, or talk to an openclone "clone" — a named AI persona with one or more categories (vc, tech, founder, expert, influencer, politician, celebrity) and attached knowledge. Triggers on phrases like "create a clone", "make a persona", "talk as ", "switch to ", "feed knowledge to", "ingest url for ", "update…

not rated 128 26d ago A 161 tokens

augments-mcp-server

957

augmnt/augments-mcp-server

MCP server Claude CodeCodexCursor +2

One of 2 in

Augments MCP Server - A comprehensive framework documentation provider for Claude Code. Runs locally from the augments-mcp-server Python package.

not rated 128 6mo ago A tokens not measured original MIT

nit

958

newtype-ai/nit

Skill Claude CodeCodex

Git for agent identity — one identity, any apps.

not rated 128 4mo ago A 12 tokens original MIT

c9watch-cli

959

minchenlee/c9watch

Skill Claude CodeCodex

Use c9watch CLI to monitor, query, and coordinate Claude Code sessions. Trigger when the user asks about other running Claude Code sessions, wants to check what agents are doing, needs to find past session work, asks about Claude Code costs or spending, wants to stop or coordinate sibling sessions, or mentions…

not rated 128 changed 6d ago C 119 tokens original MIT

eval-guide

960

microsoft/eval-guide

Plugin Claude Code ✓ vendor

Bundles 6 skills · 569 tokens together

AI agent evaluation toolkit for Copilot Studio. Plan evals, generate test cases, interpret results, and triage failures — grounded in Microsoft's Eval Scenario Library and Triage & Improvement Playbook.

not rated 128 2mo ago A tokens not measured original MIT

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: