# Knowledge and memory MCP servers online

Check the source documentation for each connection.

2 MCP servers. Also on the [web page](https://mcpdirectory.fyi/it/global/online/category/knowledge-memory).

## MCP servers

1. [Cartographer](https://mcpdirectory.fyi/it/global/online/cartographer.md), Knowledge and memory, Online: Governance MCP server for agent-maintained knowledge bases (OKF): git-backed writes, search, lint.
2. [Silica Core](https://mcpdirectory.fyi/it/global/online/silica-core.md), Knowledge and memory, Online: Retrieval over the folder the session opened: files, search, read, code\_pack, write\_note.

## Other categories in Online

- [Developer tools](https://mcpdirectory.fyi/it/global/online/category/developer-tools.md): 6 MCP servers
- [Data and databases](https://mcpdirectory.fyi/it/global/online/category/data-databases.md): 2 MCP servers
- [Productivity and collaboration](https://mcpdirectory.fyi/it/global/online/category/productivity-collaboration.md): 2 MCP servers
- [Sales and marketing](https://mcpdirectory.fyi/it/global/online/category/sales-marketing.md): 2 MCP servers
- [Search and research](https://mcpdirectory.fyi/it/global/online/category/search-research.md): 2 MCP servers
- [Communication](https://mcpdirectory.fyi/it/global/online/category/communication.md): 1 MCP server
- [Finance and crypto](https://mcpdirectory.fyi/it/global/online/category/finance-crypto.md): 1 MCP server
- [Security](https://mcpdirectory.fyi/it/global/online/category/security.md): 1 MCP server
- [Web and browser automation](https://mcpdirectory.fyi/it/global/online/category/web-browser-automation.md): 1 MCP server