1,829 tagged Building agents, measured the same way as everything else here.
Browse within: ai-coding 86agents 66agentic-ai 59cursor-rules 58cli 54LLM 49agent 46mcp-server 45cursor-ai 42model-context-protocol 38ai-tools 37cursorrules 33skills 31ai-assistant 29
Cursor rule Cursor
This project runs on harness-mini. For non-trivial work — a feature, a multi-step or ambiguous change, anything cross-cutting — route it through the stage-viewer skill first and prefer harness-mini's lifecycle, skills, and sub-agents (read .claude/skills/ /SKILL.md) over ad-hoc tools or other installed plugins. When a…
BilLogic/design-harnessing-kit
Cursor rule Cursor
SDS Compound Designing agent orchestration.
Cursor rule Cursor
Behavioral guidelines to reduce common LLM coding mistakes. Use when writing, reviewing, or refactoring code to avoid overcomplication, make surgical changes, surface assumptions, and define verifiable success criteria.
DillonRich/Agent-Efficiency-MCP
Cursor rule Cursor
PRIORITY 0 — PromptMCP / Agent Efficiency MCP. FIRST action every turn: call optimizeandblueprintintent (unless ignore / help-only / sole GO). Zero prose before the tool.
Cursor rule Cursor
DevOS Framework Integration — autonomous development orchestration.
Cursor rule Cursor
AI Migration Team - Orchestrates the Codebase Scout for project analysis and AI-readiness assessment.
Cursor rule Cursor
Every MCP implementation must include Mermaid diagrams for.
jj-jamen/buildable-plugin-skills
Cursor rule Cursor
Use Buildable's local-first builder brain for prompt-to-prototype app generation.
Cursor rule Cursor
Guidelines and patterns for MCP servers with xmcp.
Cursor rule Cursor
description: Guidelines for continuously improving Cursor rules based on emerging code patterns and best practices. globs: / alwaysApply: true.
Cursor rule Cursor
NEVER predict, guess, or mentally compute numerical results. LLMs produce answers by pattern-matching against training data, sometimes right, sometimes subtly wrong, and there is no way to tell which. Always use Euclid's MCP tools instead.
Cursor rule Cursor
Always include our AI agents guide.
braincrew-lab/mcp-langchain-docs
Cursor rule Cursor
You are an expert in developing applications using LangChain and LangGraph with Python. Your primary goal is to help users write clean, efficient, and maintainable code following best practices for these frameworks.
joonheeu/fastapi-mcp-server-template
Cursor rule Cursor
A set of coding rules for building and reviewing production API servers with FastAPI and MCP, the Model Context Protocol.
Cursor rule Cursor
Mandatory PM-orchestrated subagent workflow — main agent is manager, no separate PM subagent.
Cursor rule Cursor
MCPKernel security rules for AI agent tool calls. Use when working with MCP tool servers, AI agents, or any code that makes autonomous tool calls.
Cursor rule Cursor
Nika workflow language rules for AI assistance.
Cursor rule Cursor
PlanGate gate-based workflow for Cursor Agent (C-3 / artifacts / skills).
Cursor rule Cursor
Behavioral guidelines to reduce common LLM coding mistakes. Use when writing, reviewing, or refactoring code to avoid overcomplication, make surgical changes, surface assumptions, and define verifiable success criteria.
Cursor rule Cursor
Cursor rule "cursorrules" from KornLabs/truss, covering cursor — truss workspace and this project uses the open agents.md standard.
Cursor rule Cursor
SDCoreJS SDLC Agent - Angular, NestJS, and Next.js skill dispatch rules.
ebenezer-isaac/llmconveyors-mcp
Cursor rule Cursor
Guidelines for using LLM Conveyors MCP tools effectively.
Verbalize-public/open-delegate
Cursor rule Cursor
Route ODEMODELS / openrouter models through open-delegate (cost-first).
Cursor rule Cursor
Dom/sub agent routing — Cursor vs Codex vs human; override only with explicit per-action approval.
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: