Best Oss AI Skills & MCP Servers

MCP server for oss-scout — exposes issue discovery and vetting as MCP tools

The enrichment-grade MCP server for academic paper search and full-text extraction. For science.

MCP server for searching academic papers, journals, and citations via the Crossref API

Powerful Cross-IDE Context Sharing via MCP. Persistently sync AI memories and chat sessions between Cursor, VS Code, and more.

MCP server that gives coding agents typed 0xArchive market data tools across Hyperliquid (perps, HIP-3, HIP-4, spot) and Lighter.xyz

dwic — the design auditor for Claude Code. MCP server that audits your design tokens + markup for WCAG contrast failures, mandated-accent drift, and structural gaps, then remembers findings across sessions.

The most comprehensive ServiceNow MCP server — 400+ tools across all modules. Integrates with Claude, ChatGPT, Gemini, Cursor, GitHub Copilot and any LLM.

Local MCP broker for sharing upstream MCP servers across MCP clients

Human-like memory for self-improving AI agents. Automatic capturing, nightly reflection, and cross-agent learning. Works with Claude Code and OpenClaw.

MCP server for LanceDB-backed long-term memory with hybrid retrieval (Vector + BM25), cross-encoder rerank, multi-scope isolation, and memory lifecycle management

Persistent sequential thinking MCP — chain-of-thought reasoning that survives sessions, resumes across agents, and saves conclusions as plan artifacts. Powered by ZeroDB. Zero-config: agents self-provision a ZeroDB account on first run, no signup required

MCP server that gives Claude, Cursor, and Gemini long-term memory across sessions. Your AI remembers your codebase, decisions, and preferences — across tools and machines.

MCP server for markdown files — search, extract sections, list headings, find code blocks across your docs directory

Open-source MCP server to publish to Dev.to, Ghost, Hashnode, WordPress, Medium, Substack, LinkedIn, X, Bluesky, and Mastodon from Claude Code. Local stdio, no cloud relay. Includes SEO scoring, JSON-LD schema, canonical-URL wiring, social-post generation

Model Context Protocol server enabling AI assistants to generate code in 11 languages (TypeScript, Python, Go, C#, Java, Kotlin, Groovy, Scala, Swift, PHP, Rust) with automatic imports — regenerated and compiled on every merge across the validation corpus

Local MCP server that gives any AI agent safe cross-OS desktop control — the fallback execution layer for when APIs, CLIs, and direct integrations aren't available. Works with any tool-calling model (Claude, GPT, Gemini, Llama) on Windows, macOS, and Linu

MCP server for paper-search-agent: academic paper discovery, access planning, and full-text retrieval via campus network

MCP server for Full Queso CRM/POS — Reporte 239 daily sales reconciliation by payment method with IGTF/IVA, counter closings, and cross-reference auditing

MCP server for the AI Patent Search Generator — patent dossiers, prosecution history, office-action analysis, citation/family/CPC lookups, and Google Patents search from Claude Code, Claude Desktop, Cursor.

Drop-in trust boundary for MCP servers: trust-score gating, per-tool rate limits, prompt-injection prefilter, audit forwarding. Free OSS shield. ESM-only.

AINative ZeroDB Memory MCP Server - 18 tools for agent memory: 9 memory + 5 write-back (Slack, Gmail, Calendar, GitHub, Notion) + 4 plan artifacts (persistent plans/PRDs across sessions with diff history). Auto-context middleware. Production-ready for Cla

Cinderwright Discovery Hub MCP Server - cross-protocol agent payments search engine. 1,551 services across x402, MPP, and Lightning.

Engram — Persistent Memory Cortex for AI coding agents. Gives agents session continuity, change tracking, decision logging, and project intelligence across sessions.

TasteDive MCP — cross-media recommendations (free with key)