Best Oss AI Skills & MCP Servers

Agent-native CLI for AI mobile testing and app automation across iOS, Android, tvOS, Android TV, macOS, and Linux.

Package version intelligence — latest version, diff, changelog, audit across npm/pypi/github/gitlab.

Planu — MCP Server for Spec Driven Development with native Rust acceleration for hot paths. Cross-platform (Linux/macOS/Windows, x64/arm64, glibc/musl).

Planu — MCP Server for Spec Driven Development with native Rust acceleration for hot paths. Cross-platform (Linux/macOS/Windows, x64/arm64, glibc/musl).

Planu — MCP Server for Spec Driven Development with native Rust acceleration for hot paths. Cross-platform (Linux/macOS/Windows, x64/arm64, glibc/musl).

A collaborative BrAPI v2.1 workspace for multi-agent research via MCP. Search studies, germplasm, genotypes, & more - across Breedbase, T3, Sweetpotatobase, & any BrAPI v2-compliant server.

Planu — MCP Server for Spec Driven Development with native Rust acceleration for hot paths. Cross-platform (Linux/macOS/Windows, x64/arm64, glibc/musl).

Opinionated MCP for Bear Notes. Relevance-ranked search across titles, bodies, hierarchical tags. Offline-first.

Swiss open data MCP server — 68 tools across 20 modules. Zero API keys.

MCP server for 402 Index — search 15,000+ paid API endpoints across L402, x402, and MPP protocols with real-time health monitoring

ASG Agent Pay — the banking layer for autonomous AI agents. Multi-chain payments (x402 + MPP), virtual cards, policy engine, and wallet abstraction across 17 networks. The only SDK unifying Coinbase x402 and Stripe MPP protocols.

Agentic HubSpot CLI + MCP server. Covers ~all documented public endpoints (1180 across 55+ command domains). Reachability is tier/scope/auth-model gated — UI-only surfaces and deprecated APIs excluded. Enterprise safety rails, self-hosted.

MCP server for per-agent cost attribution, budget management, and spend analytics across AI agent fleets

Codify how you work. Every AI tool obeys. Markdown rules + cross-tool companion files (AGENTS.md/CLAUDE.md/.cursor/rules/.gemini) + Compliance Receipts for protocol-level enforcement of destructive ops. Reference implementation of CRP 1.0. Works on every

Axon MCP server — local non-custodial trading terminal for AI agents. ~35 typed Model Context Protocol tools for Hyperliquid perps, Uniswap V3 spot, Aave V3 lending, GMX v2 perps across Arbitrum, Base, Avalanche, Polygon, Optimism. Drop-in for Claude Code

MCP server for Section 8 Fair Market Rent (FMR) lookups — ZIP code search, state/county browsing, historical trends, and HUD glossary

Extension manager for AI coding agents — install skills, subagents, slash commands, and MCP servers across Claude Code, Codex, Cursor, Copilot, and more.

MCP server providing persistent cross-session memory for AI agents — store, recall, search, and summarize memories across agent boundaries

Product search API for AI agents via Model Context Protocol. Search & compare 11M+ products across Singapore, SEA, and US markets. Multi-currency pricing, inventory, and deal discovery — built for AI agent commerce, not store management. - Win the "Build

MCP server for agent-to-agent communication — capability discovery, task delegation, and result aggregation across MCP agents

FreeRide — Project knowledge for AI agent workflows. MCP server that gives AI coding agents persistent memory across sessions.

Planu — MCP Server for Spec Driven Development with native Rust acceleration for hot paths. Cross-platform (Linux/macOS/Windows, x64/arm64, glibc/musl).

Planu — MCP Server for Spec Driven Development with native Rust acceleration for hot paths. Cross-platform (Linux/macOS/Windows, x64/arm64, glibc/musl).

Text search and replace across files — regex search, multi-file replace, grouped results.