Backend and APIs

19,654 mods in this category, of every kind an agent can take. Each one carries what it costs per session, what the scan found, and whether it is the original.

PulkitXChadha/awesome-databricks-mcp

Cursor rule Cursor

Cursor rule "performance-optimization" from PulkitXChadha/awesome-databricks-mcp, covering performance optimization guidelines, backend performance, fastapi optimization, use jsonresponse for better performance and implement pagination for large datasets.

not rated 19 1y ago A 3,497 tokens

OpenCageData/opencage-geocoding-mcp

MCP server Claude CodeCodexCursor +2

MCP server for OpenCage geocoding API. Runs locally from the @opencage/mcp-opencage-server npm package. Needs 1 environment variable to run.

not rated 19 4d ago A tokens not measured original MIT

quicknode-skill

676

quiknode-labs/blockchain-skills

Skill Claude CodeCodex

Quicknode blockchain infrastructure for 80+ chains: Core RPC API, Streams, Webhooks, Blazar WSS, Solana gRPC, HyperCore gRPC, SQL Explorer, Metaplex DAS API, Blockbook, Ordinals & Runes API, Swap API, x402, MPP, Agent Subscriptions, CLI, and MCP. Use for any Quicknode product, blockchain data access, or wallet-paid…

not rated 19 2mo ago B 93 tokens original MIT

Cheggin/minecraft-use

Skill Codex

Designs and builds Convex components with isolated tables, clear boundaries, and app-facing wrappers. Use this skill when creating a new Convex component, extracting reusable backend logic into a component, building a third-party integration that owns its own tables, packaging Convex functionality for reuse, or when…

not rated 19 6mo ago A 95 tokens GPL-3.0

liveblocks

678

liveblocks/liveblocks-mcp-server

MCP server Claude CodeCodexCursor +2

MCP server "liveblocks" as configured in liveblocks/liveblocks-mcp-server. Runs locally from the github:liveblocks/liveblocks-mcp-server npm package. Needs 1 environment variable to run.

not rated 19 4d ago A tokens not measured original Apache-2.0

whmcs-dev-skills

679

Waqasahmedwaseer/whmcs-dev-skills

Skill Claude CodeCodex

Senior WHMCS Developer & Architect skill for AI coding agents. Builds, debugs, and maintains WHMCS Addon Modules, Provisioning (Server) Modules, Domain Registrar Modules, Payment Gateway Modules, and Action Hooks. Enforces WHMCS 8.x / 9.x best practices, modern PHP 8.1+ standards, Laravel Capsule ORM, Smarty v4…

not rated 19 8mo ago A 127 tokens GPL-2.0

sn-sdk-fluent

680

aatrey882/servicenow-agent-skills

Skill Claude CodeCodex

Use when working with ServiceNow Fluent DSL (.now.ts files) — generating, reviewing, or explaining metadata definitions for tables, ACLs, business rules, UI pages, client scripts, script includes, flows, service portal widgets, and other ServiceNow metadata types. Covers all 6 column types, all $id-required types, and…

not rated 19 6mo ago A 80 tokens original MIT

pbx-mcp

681

ictinnovations/pbx-mcp

MCP server Claude CodeCodexCursor +2

Inspect and control Asterisk (AMI) and FreeSWITCH (ESL) PBX servers from your AI assistant. Runs locally from the pbx-mcp npm package. Needs 10 environment variables to run.

not rated 19 11d ago A tokens not measured original MIT

wp-cli

682

thenguyenvn90/claude-wp-cli

Skill Claude Code

WordPress management via REST API — posts, pages, media, taxonomy, ACF fields, schema, guarded publishing (slug-guard, markdown-leak, em-dash, drift), SEO meta (RankMath/Yoast/generic with focus-keyword merge), comments, plugins, users, search, menus, widgets, and settings. Use when the user wants to create, update…

not rated 19 4mo ago A 128 tokens original MIT

hubitat-mcp-server

683

kingpanther13/Hubitat-local-MCP-server

Skill Claude CodeCodex

Guide for developing and maintaining the Hubitat MCP Rule Server — a Groovy-based MCP server running natively on Hubitat Elevation hubs, exposing 115 tools (36 on tools/list via category gateway proxy) for device control, virtual device management, room management, rule automation, hub admin, file management…

not rated 19 changed 4d ago A 109 tokens original MIT

speakeasy

685

speakeasy-api/skills

Plugin Claude Code

Bundles 14 skills · 1,059 tokens together

SDK generation and OpenAPI tooling with Speakeasy CLI.

not rated 18 8mo ago A tokens not measured original Apache-2.0

beam-architect

686

asiflow/claude-nexus-hyper-agent-team

Agent Claude Code

Use this agent as the Staff/Principal BEAM Architect owning Plane 1 of the Living Platform — the BEAM kernel. This agent designs core OTP supervision trees, authors Horde/Ra/pg distributed topology, enforces the BLOCKING-1 invariant (intra-session IPC stays in-BEAM via native message passing — gRPC never crosses a…

not rated 18 5mo ago A 917 tokens original MIT

mcp

687

CleanSlice/mcp

MCP server Claude CodeCodexCursor +2

Architecture docs and patterns for NestJS + Nuxt full-stack apps. Remote server at mcp.cleanslice.org.

not rated 18 11d ago A tokens not measured original MIT

glue

688

guywaldman/glue

Skill Claude CodeCodex

Official Glue IDL guide for agents. Use when designing, writing, reviewing, validating, or generating code from Glue files and .gluerc config for TypeScript, Python, Rust, Go, OpenAPI, JSON Schema, or Protobuf.

not rated 18 1mo ago A 52 tokens

castle-x/skills-x

Skill Claude CodeCodex needs its repo

Integrate PocketBase as a Go library using the github.com/castle-x/goutils/pocketbase (gopb) package to build single-binary full-stack applications. Use when building Go applications that need user authentication, embedding PocketBase into Go binary, registering custom API routes, managing default users, serving…

not rated 18 11d ago A 92 tokens original MIT

svix

691

svix/ai

Plugin Claude Code

Bundles 2 skills · 214 tokens together

Teaches AI agents to send and receive webhooks the way Svix's own engineers would.

not rated 18 3d ago A tokens not measured original MIT

cob-shopify-mcp

692

callobuzz/cob-shopify-mcp

MCP server Claude CodeCodexCursor +2

Production-grade MCP server and CLI tool for Shopify Admin GraphQL API. Runs locally from the cob-shopify-mcp npm package.

not rated 18 6d ago A tokens not measured original MIT

mcp-gateway

693

LunFengChen/Gateway-Mcp

MCP server Claude CodeCodexCursor +2

A gateway for MCP servers. Runs locally from the mcp-gateway Python package.

not rated 18 3mo ago A tokens not measured

postman

694

Postman-Devrel/agent-skills

Skill Claude Code

Full API lifecycle management through Postman. Sync OpenAPI specs to collections, generate typed client code, run API tests, create mock servers, publish documentation, audit security against OWASP Top 10, and discover APIs across workspaces. Requires the Postman MCP Server. Use this skill when the user mentions…

not rated 18 +1 1mo ago A Socket: passSnyk: warn 111 tokens original MIT archived

add-data-source

695

paulieb89/property-shared

Skill Claude Code

Use when adding a new external data source (API, scraper, etc.) to propertycore. Walks through the complete 6-step process with patterns from existing implementations.

not rated 18 changed 2mo ago A SkillSpector: pass 38 tokens original MIT

fhirhydrant

696

faulkj/fhirHydrant

MCP server Claude CodeCodexCursor +2

FHIR MCP server with SMART Backend Services, response compaction, FHIRPath, and guarded writes. Runs locally from the fhirhydrant npm package. Needs 8 environment variables to run.

not rated 18 1mo ago A tokens not measured

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: