"Persistent" matching MCP servers:

• perplexity-web-mcp

  quequiere

  A

  license

  A

  quality

  D

  maintenance

  An MCP server that enables AI assistants to perform web searches on Perplexity.ai using browser automation instead of an official API. It supports persistent authenticated sessions and returns search results along with cited sources directly to the client.

  Last updated 2026-03-06

  3

  27

  7

  MIT

• math-mcp-learning-server

  clouatre-labs

  A

  license

  A

  quality

  B

  maintenance

  Educational MCP server with 17 tools for mathematical calculations, matrix operations, statistical analysis, and data visualization. Includes persistent workspace, cloud hosting, and safety features like restricted eval.

  Last updated 2026-08-02

  17

  5

  Apache 2.0

• Bookmark Manager MCP

  infinitepi-io

  A

  license

  B

  quality

  D

  maintenance

  A Model Context Protocol server that provides persistent storage, categorization, and retrieval of bookmarks through AI clients like Claude. It allows users to manage web links using custom categories and includes options for local JSON storage or AWS S3 synchronization.

  Last updated 2025-09-13

  2

  15

  Apache 2.0

• ContextStream MCP Server

  contextstream

  A

  license

  C

  quality

  A

  maintenance

  Provides AI assistants with persistent memory and code intelligence across all tools and conversations. Features semantic search, knowledge graphs, decision tracking, and impact analysis with 60+ tools for universal context preservation.

  Last updated 2026-07-16

  36

  211

  39

  MIT

• VegaMCP

  Pastarafian

  A

  license

  C

  quality

  D

  maintenance

  A production-grade MCP server providing an autonomous AI agent swarm, persistent semantic memory, browser automation, multi-model reasoning, and 78+ tools for AI-first testing and development.

  Last updated 2026-03-11

  6

  3

  MIT