"Persistent" matching MCP connectors:

recordariA

io.recordar.api

Persistent knowledge graph for AI-augmented teams. Store decisions, findings, and standing rules across agent sessions with semantic search and typed connections. Includes cross-session memory, audit trail, workspace isolation, and secret detection. Built for teams running agents that need to remember. Free until launch with team tier as default, anon trial available.

Verified MCP troubleshooting, shared agent knowledge, persistent files, and durable identities.

Persistent agent identity, private memory, return proof, and city-door tools for agents entering GRITH. Public, read-only discovery is available without credentials.

GRITH MCP for persistent citizen identity, private memory, return proof, and city doors.

nucleusB

io.github.eidetic-works

Sovereign Agent OS — Persistent Memory, Governance & Compliance for AI Agents.

Synapse Layer — Trust Infrastructure for AI AgentsB

io.github.SynapseLayer

MCP-native Trust Infrastructure for AI Agents. Persistent encrypted memory with Trust Quotient.

AgentID MCPOAuth

live.agentid

Persistent identity, memory, and mission tracking for AI agents. Gives any agent a named handle, cross-session memory, real-time activity reporting, and a secure API key vault — all through one MCP URL.

JustOnceOAuth via extension

ai.justonce

Persistent memory for AI assistants — one shared, OAuth-secured vault for every MCP client.