1,519 tagged Backend and APIs, measured the same way as everything else here.
Browse within: model-context-protocol 96copilot 59api 51ai-tools 49ai-coding 25go 23fastapi 21openapi 21ai-guardrails 19nodejs 18fastmcp 17boilerplate 16cloudflare-workers 16rest-api 16
Sunbird-Knowlg/knowledge-platform
Instructions file
Claude Code instructions for Sunbird-Knowlg/knowledge-platform, covering claude.md, project overview, module map (multi-module maven project), build & test and development workflow.
Instructions file CodexOpenCode
Instructions for 7tg/django-admin-mcp, covering agents.md - ai agent instructions for django-admin-mcp, project overview, key features, architecture and directory structure.
Instructions file
Claude Code instructions for rianvdm/discogs-mcp, covering claude.md, project, commands, architecture and key patterns.
Instructions file
Instructions for usk6666/yorishiro-proxy, covering yorishiro-proxy, architecture, principle: l7-first, l4-capable, pipeline and l7/l4 support status by protocol.
Instructions file
Instructions for dend/guildbridge, covering claude.md, build & check commands, project overview, architecture and key design decisions.
Instructions file
Claude Code instructions for paulieb89/property-shared, covering claude.md, project overview, commands, run api server and run cli (core mode - no server needed).
sonisoft-cnanda/now-sdk-ext-mcp
Instructions file
Instructions for sonisoft-cnanda/now-sdk-ext-mcp, covering now-sdk-ext-mcp, project overview, architecture, directory structure and sibling projects.
Instructions file CodexOpenCode
AGENTS.md instructions for Sperax/sperax-crypto-mcp, covering sperax-crypto-mcp development guidelines, project overview, terminal management and contributing.
Instructions file Gemini CLI
Instructions for dcollaoa/bloodyad_mcp, covering bloodyad-mcp implementation notes, tool list, get operations, set operations and add operations.
Instructions file CodexOpenCode
AGENTS.md instructions for varnish/gateway, covering varnish gateway operator - development guide, project overview, documentation, current status and component overview.
Instructions file GitHub Copilot
TypeScript and Node.js backend specific coding instructions for server-side development.
Desko77/mcp-bsl-platform-help-context
Instructions file
Instructions for Desko77/mcp-bsl-platform-help-context, covering claude.md, project overview, commands, run the server — yaml config (recommended) and run the server — cli options (env vars mcpbsl also work).
Instructions file
Claude Code instructions for sakost/zenmoney-mcp, covering zenmoney mcp server — development guidelines, project overview, build & test, architecture and coding standards.
Instructions file
Instructions for sandsower/kronan-mcp, covering kronan-mcp, build, configure, usage in claude code and api reference.
Instructions file
Instructions for TechFernandesLTDA/apex-mcp, covering claude.md, what this is, build & run, install and run (stdio — default for local ai clients).
tray-tecnologia/tray-api-ai-plugin
Instructions file CodexOpenCode
Instructions for tray-tecnologia/tray-api-ai-plugin, covering tray api plugin, regras obrigatórias para toda sessão, autenticação, url e formato and rate limit.
Instructions file GitHub Copilot
Instructions for Mofesto/fubon-api-mcp-server, covering fubon api mcp server — copilot rules (concise), architecture & key files, mcp tool patterns (must follow), important gotchas & conventions ⚠️ and concurrency & long-running ops 🔁.
chintan-diwakar/zentickr-yahoo-query-mcp
Instructions file CodexOpenCode
Instructions for chintan-diwakar/zentickr-yahoo-query-mcp, covering agents.md, commands, layout and hard constraints.
Instructions file CodexOpenCode
AGENTS.md instructions for Krzysztof318/MailFathom, covering mailfathom development instructions, project status, where the rest of the contract lives, critical repository rules and the two roles this contract is written for.
Instructions file GitHub Copilot
Instructions for DanWahlin/marvel-mcp, covering marvel mcp server development guide, project overview, architecture, core components and tool pattern.
yejianye/ob-smart-connections-mcp
Instructions file
Claude Code instructions for yejianye/ob-smart-connections-mcp, covering claude.md, commands, development, cli usage and architecture.
Azure-Samples/APIM-Unified-AI-Gateway-Sample
Instructions file GitHub Copilot
Guidelines for editing APIM policy XML files and policy fragments.
Instructions file
Claude Code instructions for ehs208/TimeTree-MCP, covering timetree mcp project guide, project purpose, current capabilities, architecture map and api behavior notes.
Instructions file
Claude Code instructions for hltcoe/routir, covering routir — src/routir, the one concept that matters: engine, the two-layer pattern (used by every engine in the repo), method contracts (read these before writing one) and reranker base class — free candidate retrieval.
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: