Backend and APIs instructions files

1,501 tagged Backend and APIs, measured the same way as everything else here.

Browse within: model-context-protocol 96copilot 59api 48ai-coding 25go 23fastapi 20ai-guardrails 19openapi 19fastmcp 17boilerplate 16cloudflare-workers 16nodejs 16azure 15cryptocurrency 15

dyeoman2/tanstack-start-template

Instructions file CodexOpenCode

AGENTS.md instructions for dyeoman2/tanstack-start-template, covering tanstack start agent guide, core philosophy, architecture, golden rules and key patterns.

not rated 26 4mo ago A 2,686 tokens original MIT

yungwood/ical-filter-proxy

Instructions file CodexOpenCode

AGENTS.md instructions for yungwood/ical-filter-proxy, covering agent notes, project shape, common commands, contribution preferences and ci and packaging notes.

not rated 26 2d ago A 523 tokens original MIT

dorukardahan/domain-search-mcp

Instructions file

Claude Code instructions for dorukardahan/domain-search-mcp, covering claude.md, build & development commands, architecture overview, core flow and key components.

not rated 25 yesterday A 1,129 tokens original MIT

seekstone CLAUDE.md

268

shaqmughal/seekstone

Instructions file

Instructions for shaqmughal/seekstone, covering claude.md, what this repo is, commands, the harness itself (run after npm install) and architecture.

not rated 25 5d ago A 1,116 tokens original MIT

fluxor AGENTS.md

269

shuangji66/fluxor

Instructions file CodexOpenCode

A project instruction file for Fluxor, a Go-based control panel and subscription generator for the Mihomo network-proxy engine. It explains the project structure, frontend versions, build process, communication paths, and maintenance rules.

not rated 25 +2 1mo ago A 5,562 tokens original Apache-2.0

streamnative/streamnative-mcp-server

Instructions file CodexOpenCode

Instructions for streamnative/streamnative-mcp-server, covering agents.md, 1 | project snapshot, 2 | repository map, 3 | current architecture notes and 4 | required local workflow.

not rated 24 22d ago A 2,839 tokens original Apache-2.0

maestro-org/maestro-mcp-server

Instructions file

Claude Code instructions for maestro-org/maestro-mcp-server, covering maestro mcp server - developer guide, architecture, key components, code generation and performance optimizations (2026-02).

not rated 24 4mo ago A 1,503 tokens original Apache-2.0

VilnaCRM-Org/php-service-template

Instructions file CodexOpenCode

Instructions for VilnaCRM-Org/php-service-template, covering repository guidelines, mandatory workflow for ai agents, working rules, verification baseline and skill inventory.

not rated 24 2mo ago A 513 tokens original CC0-1.0

matthewdcage/llm-swarm-router

Instructions file CodexOpenCode

AGENTS.md instructions for matthewdcage/llm-swarm-router, covering agent & developer guide, dox rail, project overview, architecture and repository layout.

not rated 25 3d ago B 11,066 tokens original MIT

structpages CLAUDE.md

274

jackielii/structpages

Instructions file

Instructions for jackielii/structpages, covering claude.md, project overview, development commands, testing and run all tests.

not rated 24 1mo ago A 1,472 tokens original BSD-3-Clause

vc-gin-api AGENTS.md

275

bg-vc/vc-gin-api

Instructions file CodexOpenCode

Instructions for bg-vc/vc-gin-api, covering vc-gin-api agent guide, product rule: simple and change workflow.

not rated 24 24d ago A 297 tokens original MIT

lynnlangit/precision-medicine-mcp

Instructions file

Instructions for lynnlangit/precision-medicine-mcp, covering claude.md — project context for claude code, git workflow, session management, what this project is and repository structure.

not rated 24 10d ago A 1,744 tokens original Apache-2.0

geoff-maddock/events-tracker

Instructions file

Claude Code instructions for geoff-maddock/events-tracker, covering claude.md, project, common commands, static analysis (larastan, level 3) and phpunit directly.

not rated 24 yesterday A 1,137 tokens original MIT

deepsql CLAUDE.md

278

DeepSQLAI/deepsql

Instructions file

Claude Code instructions for DeepSQLAI/deepsql, covering claude.md — dba agent, project overview, development commands, backend (spring boot) and frontend (react + vite).

not rated 23 yesterday B 16,976 tokens original Apache-2.0

OneSignal/onesignal-dotnet-api

Instructions file CodexOpenCode

AGENTS.md instructions for OneSignal/onesignal-dotnet-api, covering agents.md — onesignal .net sdk, what this sdk does, install, authentication — two key types and calling convention.

not rated 23 7d ago A 865 tokens

pol-lopez/fastapi-template

Instructions file CodexOpenCode

Instructions for pol-lopez/fastapi-template, covering fastapi template - project guidelines, commands, code style, git and worktrees.

not rated 23 11d ago A 921 tokens original MIT

imhexMCP CLAUDE.md

281

jmpnop/imhexMCP

Instructions file

Claude Code instructions for jmpnop/imhexMCP, covering imhex mcp - project context for claude, quick overview, project structure, key components and 1. async client library (lib/asyncclient.py).

not rated 23 8mo ago C 3,424 tokens

OVO_Aus_api AGENTS.md

282

HallyAus/OVO_Aus_api

Instructions file CodexOpenCode

Instructions for HallyAus/OVO_Aus_api, covering ovo energy australia (ha integration) — agent brief, what a mistake costs, stack, run it and where things live.

not rated 23 9d ago A 2,130 tokens original CC0-1.0

berkayoztunc/orquestra

Instructions file GitHub Copilot

Instructions for berkayoztunc/orquestra, covering copilot instructions — orquestra, project overview, architecture, key patterns & conventions and worker route structure.

not rated 22 18d ago A 1,321 tokens original MIT

mdcms AGENTS.md

287

mdcms-ai/mdcms

Instructions file CodexOpenCode

Instructions for mdcms-ai/mdcms, covering mdcms, vision, direction, repository layout and tech stack.

not rated 22 6d ago A 3,337 tokens original MIT

spring-ant AGENTS.md

288

HKPC-1967/spring-ant

Instructions file CodexOpenCode

Instructions for HKPC-1967/spring-ant, covering agents.md, big picture, response + error handling conventions, security + auth flow and mybatis code generation pipeline.

not rated 22 1mo ago A 807 tokens original MIT