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20 Best Memory MCP Servers: compared and ranked, November 2026Ranked from 5,357 matching servers on stars, growth, downloads and maintenance. Updated .

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  • A
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    Enables AI agents to run honeypot and owner-power safety checks on Base tokens and to read wallet ETH and USDC balances, with every answer sourced from real chain data and paid per call in USDC via x402.
    MIT
  • A
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    Not graded
    quality
    B
    maintenance
    Enables AI agents to call tools through a security gateway that intercepts requests, enforces deterministic policy and risk checks, blocks or escalates high-risk actions for human approval, and keeps tool credentials and audit logs protected.
    1
    MIT
  • A
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    B
    maintenance
    Gives AI agents a shared, encrypted memory store accessible over MCP, with per-agent keys, per-namespace permissions, history and revert, attachments, and semantic search that handles Czech as well as English. Memories, agents, network access, and HTTPS can be managed through a self-hosted admin web on the same port, with backups being simply copies of the encrypted data file.
    1
    PolyForm Noncommercial 1.0.0
  • F
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    quality
    B
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    Enables AI-assisted development of CodeQL queries for security analysis through the Model Context Protocol. Provides tools for compiling, testing, and executing CodeQL queries across multiple programming languages.
    39
    -
  • A
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    C
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    Enables AI agents to request an independent second opinion from a different frontier model, with PII scrubbing before transit, live web search grounding, caching, and multi-provider failover.
    Apache 2.0
  • A
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    quality
    B
    maintenance
    Enables capturing a tamper-evident, hash-chained local record of every AI agent tool call — both the decision before a tool runs and its outcome — so you can review what the agent actually did in order, detect edits, deletions, or reordering at the exact index, and export a signed evidence pack any third party can verify with no installs.
    26 PyPI
    2
    MIT
  • F
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    quality
    C
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    This MCP server provides secure access to databases for AI agents, enforcing authentication, authorization, human approval, logging, and notifications to prevent dangerous actions.
    -
  • A
    license
    A
    quality
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    maintenance
    Enables AI agents to read connected bank accounts, transactions, and balances through the Lunch Flow Personal API using a personal API key.
    3
    661 npm
    MIT
  • A
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    Not graded
    quality
    A
    maintenance
    Enables AI assistants to keep and retrieve private context locally, with verifiable receipts and optional Solana anchoring for public proofs.
    169 npm
    1
    Apache 2.0
  • A
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    quality
    C
    maintenance
    Enables devices and agents to share a self-hosted memory store over a remote Streamable HTTP MCP endpoint, with hybrid retrieval, scoped access tokens, and encrypted vault references for sensitive data.
    Apache 2.0
  • A
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    quality
    B
    maintenance
    Enables MCP clients to save, semantically recall, and delete long-term facts and decisions entirely offline, with encrypted storage, automatic secret redaction, and multilingual local embeddings.
    70 npm
    1
    MIT
  • F
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    C
    maintenance
    Enables AI tools and agents to share a persistent memory space, so a decision, task, or encrypted secret saved in one client can be searched, recalled, and handed off from another. It also tracks goals day by day, moves unfinished work between sessions, and keeps exports, trash recovery, and per-account isolation under the user's control.
    -
  • A
    license
    A
    quality
    D
    maintenance
    A tool for detecting and cleaning Java memory shells via local or SSH remote execution. It enables AI agents to scan Java processes, analyze suspicious class code, and safely remove memory shells after user confirmation.
    9
    21 PyPI
    30
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    Zero-knowledge proof generation MCP server. AI agents can prove identity claims (Coinbase KYC, Country, Google OIDC, Google Workspace, Microsoft 365) without revealing personal data. Runs in AWS Nitro Enclave TEE with x402 USDC payments.
    7
    2
    MIT
  • A
    license
    A
    quality
    F
    maintenance
    Provides AI assistants with specialized tools to interact with NIST's Open Security Controls Assessment Language (OSCAL) framework. It enables agents to retrieve schemas, explore models, and generate valid OSCAL documentation for security compliance automation.
    40
    52
    Apache 2.0
  • A
    license
    A
    quality
    B
    maintenance
    Privacy-preserving authentication cookie security auditing for AI browser agents, MCP clients, and automated testing. Detects missing HttpOnly, Secure, SameSite, and other cookie protections, and returns structured security findings without exposing raw cookie values.
    5
    5
    MIT
  • A
    license
    A
    quality
    C
    maintenance
    Guardrails for AI coding agents that enforces rules via compliance receipts, blocking destructive actions and syncing rules across all AI tools.
    24
    181 npm
    1
    MIT
  • A
    license
    B
    quality
    B
    maintenance
    MCP server for AI-driven VAPT orchestration, enabling agents to plan and execute authorized security scans through a control plane that enforces scope, sanitization, budget, rate limits, human approval, and audit logging.
    127
    MIT
  • A
    license
    B
    quality
    C
    maintenance
    Connects AI assistants to the Vectra AI security platform to enable intelligent analysis of threat detection data and automated incident response workflows. It allows users to investigate threats, take response actions, and generate security reports using natural language.
    23
    6
    MIT
  • A
    license
    B
    quality
    D
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    Enables detection of AI-generated content from ChatGPT, GPT-4, and Gemini models through the BACH AI Content Detector API.
    1
    MIT
  • A
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    B
    quality
    C
    maintenance
    Enables security analysts to carry structured investigation state across sessions by storing typed observations, hypotheses, tasks, evidence and versioned decisions in a local SQLite graph with full-text search. It also enforces authorized scope and request controls, redacted and content-hashed evidence, duplicate-test signatures and validation gates that leave findings in draft until reproducibly confirmed, then produces technical and executive reports for Antigravity, Codex and other stdio MCP clients.
    20
    1
    MIT
  • A
    license
    C
    quality
    B
    maintenance
    A generic local MCP plugin base for ChatGPT that ships example status and echo tools, a guided setup wizard for tunnel configuration with DPAPI-protected API keys, and separated persistent versus generated runtime storage. It also provides a bounded metadata-only conditional-read cache that suppresses unchanged read-only responses to save context.
    2
    MIT
  • A
    license
    Not graded
    quality
    B
    maintenance
    An opt-in Drupal recipe that provides an OAuth 2.1-secured Model Context Protocol endpoint, enabling external AI assistants to read site content and draft blog posts and pages while leaving publishing as a human action.
    1
    GPL 2.0
  • A
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    A client-side MCP proxy that injects OAuth 2.0 bearer tokens or API keys into MCP requests, enabling MCP clients to connect to OAuth/API-key-protected MCP servers like Amazon Bedrock AgentCore Gateway. It automatically fetches and refreshes credentials using AgentCore Identity or static values.
    1
    MIT No Attribution
  • A
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    Not graded
    quality
    B
    maintenance
    Enables agents to store and retrieve hierarchical memory in cryptographically partitioned namespaces, with HMAC-based isolation and Ebbinghaus time-decay so recall fades realistically over time. Runs as a zero-dependency Python STDIO MCP server that returns deterministic JSON results.
    7
    MIT
  • A
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    Not graded
    quality
    C
    maintenance
    Enables AI agents to operate through a local, signed boundary that blocks prompt injection and secret leakage, verifies outputs, preserves cross-session memory, and provides offline-verifiable receipts. It also exposes 900+ MCP tools for discoverable agent actions.
    7
    MIT
  • A
    license
    Not graded
    quality
    B
    maintenance
    A lightweight MCP server for security reviews that injects security requirements before code generation, scans dependencies for CVEs, and verifies generated code without disrupting workflow.
    73
    MIT
  • A
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    Not graded
    quality
    C
    maintenance
    JWT AI - MCP server providing AI-powered tools and automation by MEOK AI Labs
    7 npm
    40 PyPI
    MIT
  • A
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    A multi-agent AI security layer that protects LLMs from prompt injection, jailbreaks, and policy violations via MCP tools.
    62 PyPI
    MIT
  • A
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    quality
    B
    maintenance
    Turn Claude into an ISO 27001 compliance assistant - controls, risk register, policies, evidence tracking, SoA generation, and full audit workflows in one local encrypted MCP server.
    132 npm
    35
    MIT