Backend and APIs

3,494 projects whose own agent configuration covers backend and apis. These are not mods to install — they are how the maintainers of these repositories tell an agent what to do, and what to avoid.

All projects Building agents7,521Claude Code6,606Data and AI3,688Languages3,401Planning3,209Git and workflow3,151Code review2,736Memory and context2,361Testing2,351DevOps and cloud2,300Writing and docs2,296Research2,295

Any agent Claude CodeCodexOpenCodeGitHub CopilotGemini CLICursorWindsurfKiro

ProjectStarsConfiguresFilesAlways loaded
cyanheads/usgs-water-mcp-server npmjs.com Query real-time and historical water data from ~8,000 USGS stream gages and groundwater we 1 Claude Code, Codex, OpenCode 2 8,284 tok
cyanheads/wsdot-mcp-server npmjs.com Query WA highway conditions, ferry schedules, vessel locations, toll rates, border waits, 1 Claude Code, Codex, OpenCode 2 10,640 tok
nous-ehr/claude_pallas_extension 1 Claude Code 11 2,277 tok
cyanheads/nist-nvd-mcp-server npmjs.com Search and audit CVEs by keyword, severity, CWE, CISA KEV status, and CPE via the NIST Nat 1 Claude Code, Codex, OpenCode 2 12,890 tok
cyanheads/national-parks-mcp-server npmjs.com Plan US National Park Service trips — find parks, check alerts and closures, find campgrou 1 Claude Code, Codex, OpenCode 2 12,068 tok
cyanheads/npi-providers-mcp-server npmjs.com Look up US healthcare providers in the NPPES NPI registry and resolve NUCC specialty codes 1 Claude Code, Codex, OpenCode 2 12,440 tok
cyanheads/nws-weather-mcp-server npmjs.com Real-time US weather data via the National Weather Service API. Forecasts, alerts, and obs 1 Claude Code, Codex, OpenCode 2 11,574 tok
dockndevai/mcp-kafka dockndevai.github.io MCP server for Apache Kafka — monitor & manage clusters, topics, and consumer groups (with 1 Claude Code 1
mayorandrew/openapi-dynamic-mcp MCP server and CLI for turning OpenAPI specs into usable tools for AI clients, with built- 1 Codex, OpenCode 1 405 tok
magarcia/mcp-server-linearapp A Model Context Protocol (MCP) server for the Linear API 1 Cursor 1 643 tok
Modellix/modellix-plugin modellix.ai Agent plugin for AI image and video generation via Modellix API/CLI. 1 Claude Code, Codex, OpenCode 1 5,226 tok
wanthigh/google-calendar-mcp-server 1 Claude Code 1 2,495 tok
Gnidreve/Genesis-World-MCP MCP-Server für CAS genesisWorld – bringt das CRM als Tools, Flows und Ressourcen direkt in 1 Codex, OpenCode 1 9,106 tok
narumiruna/telegram-bot 1 Codex, OpenCode 2 865 tok
JMReader/mcp_shell_server An MCP server capable of executing any terminal command securely and efficiently 1 Cursor 1 762 tok
gabrielrojasnyc/hr-mcp-server MCP Server 1 Claude Code 1 2,202 tok
1049861657/MCP 1 Claude Code 1
vanman2024/cats-mcp-server CATS ATS MCP Server - 163 tools for recruiting and staffing workflows via FastMCP 1 Claude Code 1
call518/MCP-Ambari-API deepwiki.com 🚀 Natural-language Hadoop cluster management via MCP. Connect LLM agents (Claude, GPT, et 1 Claude Code, GitHub Copilot 2 1,895 tok
theepicsaxguy/opencollective-hetzner-mcp 1 Claude Code, Codex, OpenCode 2 4,832 tok
geuneda/geuneda-mcp-unity Unity Editor MCP server — a plugin integrating AI IDEs such as Cursor, Claude Code, Codex, 1 Claude Code, Codex, OpenCode 2 4,202 tok
skycaier/sky-windows-remote-executor MCP-native Windows remote execution service with Web UI and FastAPI 1 Claude Code, Codex, OpenCode 2 724 tok
mohsen-ahmed-pm/cdu-climate-peer-comparison-mcp Claude Skill + MCP server that generates climate peer comparison reports — emissions trend 1 Claude Code 1 1,146 tok
l4b4r4b4b4/yt-api-mcp YouTube MCP Server - FastMCP server for YouTube integration with intelligent caching via m 1 GitHub Copilot 1 708 tok
Kayforkind/book-guide-mcp Book Guide MCP — Ship improvements with books your agents can run. Playbooks, citations, S 1 Codex, OpenCode 1 585 tok
timememe/woclub worldorder.club Shared persistent voxel world for AI agents to build in over HTTP or MCP 1 Codex, OpenCode 1 157 tok
HrRodan/agent-workspace-mcp A sandboxed, agentic workspace providing secure filesystem, bash, and uv-powered Python ex 1 Claude Code, Codex, Gemini CLI 3 198 tok
j-256/guildcontrol docs.guildcontrol.lasers.app Safety-first MCP server for Discord with privacy-safe reads, audits, and reviewed administ 1 Codex, OpenCode 1 871 tok
sighttrue/sighttrue sighttrue.com An instrument pointed at 388 open-source repositories and eleven readings, most of which n 1 Claude Code 1 1,336 tok
nulljosh/sidewise sidewise.heyitsmejosh.com Reads 16 feeds across the political spectrum and flags stories only one side is covering. 1 Claude Code 1 1,118 tok
oinam/ovellum ovellum.oss.oinam.com Write what matters, generate the rest - open source documentation where both live together 1 Claude Code 1 938 tok
olaurendeau/mcp-camptocamp MCP server for camptocamp api 1 Claude Code 1 645 tok
oneill9/tfl-mcp-server oneill9.github.io MCP server exposing live London transport data (TfL API) to AI assistants 1 Claude Code, Codex, Gemini CLI, OpenCode 5 2,517 tok
rubatoyd/scienceON-mcp KISTI ScienceON OpenAPI literature search and metadata collector — MCP server + CLI (bring 1 Claude Code 1 6,658 tok
xiaojiou176-open/notebackup xiaojiou176-open.github.io Apple Notes backup control room for macOS with AI diagnostics, a token-gated Local Web API 1 Codex, OpenCode 1 1,209 tok
tsjharsha/MedFlowMCP-AI- An AI-powered Hospital Operations MCP Server built with NitroStack. Automates Jira ticketi 1 Claude Code, Codex 5
klausagnoletti/e-conomic-mcp-server e-conomic.com e-conomic MCP server for customers, products, invoices, and bookkeeping automation. Not af 1 Claude Code 1 1,039 tok
warengonzaga/relay-protocol-mcp-server relay.link Model Context Protocol server for Relay Protocol REST API 1 GitHub Copilot 1 1,121 tok
suwa-sh/local-RAG-backend This is the backend for a RAG system that runs on Docker Compose. It registers documents i 1 Claude Code 2 5,262 tok
thoraxe/ols-mcp a PoC implementation of an MCP server to talk to OpenShift Lightspeed 1 Claude Code 1 1,470 tok
yamayued/houjin-bangou-api-mcp MCP server for the Japan National Tax Agency Corporate Number API 1 Codex, OpenCode 1 645 tok
sandraschi/bilibili-mcp Bilibili (B站) content-intelligence bridge - search, trending, video intel and transcript s 1 Claude Code, Codex, GitHub Copilot, Cursor, OpenCode 5 1,672 tok
ghchinoy/docstats ghchinoy.github.io Readability assessment API and MCP Server 1 Codex, OpenCode 1 916 tok
plokdalberb-byte/cutible Agent-native montage engine: Timeline-as-Data, verb API, deterministic FFmpeg render, QC l 1 Codex, OpenCode 1 889 tok
mbe24/zaungast mbe24.github.io zaungast is a read-only, offline MCP server for Teams: search chats, read conversations, s 1 Codex, OpenCode 1 932 tok
Neschadin/askell-mcp MCP server for the Askell payment and subscription API (Bun + stdio) 1 Claude Code, Codex, Cursor 4
mcintalmo/godot-engine-mcp 1 Claude Code, Codex 3
deuriib/mcp-gateway Aggregate multiple MCP servers behind a single HTTP/SSE endpoint with Code Mode — reducing 1 Codex, OpenCode 1 2,704 tok
NovaLux12/spotify-mcp-server The definitive Spotify MCP server — full non-deprecated Web API coverage, paginated everyt 1 Claude Code 1 1,193 tok
zx8086/mcp-server-elasticsearch A production-ready Model Context Protocol (MCP) server that connects AI assistants like Cl 1 Claude Code 1 989 tok