Backend and APIs instructions files

1,534 tagged Backend and APIs, measured the same way as everything else here.

Browse within: model-context-protocol 85api 56copilot 46fastapi 25openapi 22go 21boilerplate 18cryptocurrency 18nodejs 18azure 17fastmcp 16ai-coding 15docker 15gemini-cli 15

jpicklyk/task-orchestrator

Instructions file

Instructions for jpicklyk/task-orchestrator, covering project: mcp task orchestrator, build commands, docker (most common), architecture and modes of operation.

not rated 205 1mo ago C 4,722 tokens original MIT

api-mapper CLAUDE.md

194

mikkelkrogsholm/api-mapper

Instructions file

Instructions for mikkelkrogsholm/api-mapper, covering claude.md, project overview, architecture, core components and key technical constraints.

not rated 202 1y ago A 854 tokens original MIT

Azure-Samples/mcp-agent-langchainjs

Instructions file CodexOpenCode

Instructions for Azure-Samples/mcp-agent-langchainjs, covering mcp agent langchain.js project instructions, architecture overview, component communication flow, key architectural patterns and authentication & state management.

not rated 200 +1 1mo ago A 441 tokens original MIT

aigc CLAUDE.md

197

xiaoyuge886/aigc

Instructions file

Claude Code instructions for xiaoyuge886/aigc, covering claude.md, project overview, development commands, backend (python/fastapi) and create virtual environment.

not rated 197 1mo ago A 1,309 tokens original MIT

tik4net CLAUDE.md

198

danikf/tik4net

Instructions file

Claude Code instructions for danikf/tik4net, a project described as: Manage mikrotik routers with .NET C# code via ADO.NET like API or enjoy O/R mapper like highlevel api.

not rated 197 today A 5 tokens copy · 100% Apache-2.0

FradSer/mcp-server-apple-events

Instructions file Gemini CLI

Gemini CLI instructions for FradSer/mcp-server-apple-events, covering apple events mcp server, project overview, architecture, building and running and prerequisites.

not rated 197 +4 8d ago A 1,136 tokens original MIT

agents-universe/agents-universe

Instructions file

Claude Code instructions for agents-universe/agents-universe, covering agents universe — enterprise ai agent framework, project overview, monorepo layout, development commands and api (from packages/api/).

not rated 235 today A 1,950 tokens original Apache-2.0

agentsmith AGENTS.md

201

PromptPartner/agentsmith

Instructions file CodexOpenCode

AGENTS.md instructions for PromptPartner/agentsmith, covering operating agreement, who you're talking to, how to read the rest of this agreement, how sessions run and when to pause and ask.

not rated 185 today D 8,492 tokens original MIT

teabranch/open-responses-server

Instructions file

Instructions for teabranch/open-responses-server, covering claude.md, what this project is, build & run, install from source (uses uv) and start the server.

not rated 185 4mo ago A 1,233 tokens original MIT

realtime-ai CLAUDE.md

203

realtime-ai/realtime-ai

Instructions file

A development guide for Realtime AI, a Go framework that processes live audio and video through connected processing stages. It covers browser, server, and streaming connections plus setup and test commands.

not rated 184 6mo ago B 1,317 tokens original Apache-2.0

e2a CLAUDE.md

204

tokencanopy/e2a

Instructions file

Claude Code instructions for tokencanopy/e2a, a project described as: The first open source email gateway for AI agents — SPF/DKIM verified inbound, HMAC-signed delivery, webhook + WebSocket fan-out, CLI + SDKs + MCP.

not rated 184 3d ago A 5 tokens copy · 100% Apache-2.0

sanity-io/agent-toolkit

Instructions file CodexOpenCode

Instructions for sanity-io/agent-toolkit, covering sanity project, commands, mcp setup, schema & types and development.

not rated 180 9d ago A 2,500 tokens original MIT

jmap-mcp CLAUDE.md

207

wyattjoh/jmap-mcp

Instructions file

Instructions for wyattjoh/jmap-mcp, covering claude.md, project overview, development commands, pre-commit hooks and required environment variables.

not rated 176 10d ago A 1,085 tokens original MIT

TMDb CLAUDE.md

208

adamayoung/TMDb

Instructions file

Instructions for adamayoung/TMDb, covering claude.md, project overview, topic docs, knowledge base and development workflow.

not rated 176 10d ago A 2,244 tokens original Apache-2.0

arc-1 AGENTS.md

209

arc-mcp/arc-1

Instructions file CodexOpenCode

AGENTS.md instructions for arc-mcp/arc-1, covering agents.md, project overview, design principles, build & test and deploying arc-1 (not developing it).

not rated 174 changed 3d ago A 12,282 tokens original MIT

Nicolasvegam/garmin-connect-mcp

Instructions file

Claude Code instructions for Nicolasvegam/garmin-connect-mcp, covering garmin connect mcp server, 1. estructura del proyecto, 2. dtos: tipo explicito + schema zod, 3. tools mcp: patron registertool and 4. barrel exports.

not rated 174 1mo ago A 1,182 tokens

ECPay/ECPay-API-Skill

Instructions file GitHub Copilot

Copilot instructions for ECPay/ECPay-API-Skill, covering copilot instructions — ecpay api skill, architecture, four http protocol modes, supporting files and validation commands.

not rated 173 1mo ago A 2,380 tokens

ECPay/ECPay-API-Skill

Instructions file CodexOpenCode

A set of Codex AGENTS.md instructions for connecting software to ECPay, a Taiwanese payment and commerce service. It covers communication methods, integration choices, and payment-related work.

not rated 173 1mo ago A 5,497 tokens

ton-rs AGENTS.md

213

ston-fi/ton-rs

Instructions file CodexOpenCode

AGENTS.md instructions for ston-fi/ton-rs, covering ton-rs agent guide, repository, boundaries, public api and ton invariants.

not rated 172 2d ago A 764 tokens original Apache-2.0

brave/brave-search-skills

Instructions file CodexOpenCode ✓ vendor

AGENTS.md instructions for brave/brave-search-skills, covering brave search api skills, setup and usage.

not rated 172 +1 16d ago A 789 tokens original MIT

autocache CLAUDE.md

216

montevive/autocache

Instructions file

Instructions for montevive/autocache, covering claude.md, project overview, build and test commands, build and run.

not rated 170 +8 7mo ago A 1,954 tokens original MIT

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