Best Persistent AI Skills & MCP Servers

Local persistent memory for Codex agents that captures, searches, and reuses project knowledge.

Persistent Project Context for xAI Grok. IANA-registered .faf format, MCP server on a URL, Vercel-deployed.

MCP server providing persistent memory capabilities for AI assistants like Claude

Persistent Project Context for Cursor, IDEs and VS Code. IANA-registered .faf format, 25 MCP tools, 309 tests.

Persistent memory for AI coding agents. Local-first knowledge engine with atomic facts, entity graph, and hybrid retrieval. Auto-integrated with Claude Code via hooks; MCP-native for Cursor, Continue, Cline, Windsurf, and any other MCP client.

Local Memory MCP Server - AI-powered persistent memory system for Claude Code, Claude Desktop, Gemini, Codex, OpenCode and other MCP-compatible tools

Persistent memory + FTS5 search for Claude Code conversations. MCP server exposes your ~/.claude/projects/ history as queryable memory for any MCP-compatible AI agent.

Persistent intelligence infrastructure for agentic development

Cognitive architecture for persistent AI agent memory. Knowledge graph with learning retrieval, ACT-R decay, and spreading activation. Markdown-native, local-first, zero cloud. MCP server + CLI.

Memory infrastructure for multi-agent AI systems

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

Your Claude Code sessions don't have to start from scratch anymore — SpecMem gives your AI real memory. It won't forget your conversations, your code, or your architecture decisions between sessions. That's the whole point. Semantic code indexing that act

Persistent project memory for LLMs via MCP. Never re-explain your project again.

Persistent learning memory for AI coding agents. Memory that compounds.

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 searching past Claude Code conversation history. Local BM25 search over JSONL logs with persistent index, secret redaction, solved-hint, and instant claude --resume.

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

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

Persistent memory for AI coding assistants. Injects context from past sessions into every LLM request.

Your codebase never forgets. Persistent, structured memory for AI coding agents.

Sandbox-protected macOS automation MCP server with a persistent recipe DB, Electron CDP fallback, and self-correcting per-app knowledge

MCP server that bridges Claude Code, OpenCode, GitHub Copilot CLI and other MCP clients to a Chrome tab. Per-tool permissions, multi-agent mode (multiple MCP clients sharing one bridge), persistent UI map across sessions.

MCP server for agent automation: persistent memory and deterministic workflow execution for AI agents and chats