PositronWiki

The shared brain of the Positron portfolio: companies, people, investors, grants, resources. Ask it things from your own AI, or drop things in.

Connect your AI

Server address, same for every client:

https://wiki.positron.science/mcp

Each client asks you to log in once. Paste your key when the PositronWiki login page opens.

Claude (claude.ai, desktop, mobile)
  1. Open Settings → Connectors (on claude.ai or in the desktop app).
  2. Add custom connector. Name: PositronWiki. URL: the address above. Leave the advanced fields empty.
  3. Click Connect, paste your key on the login page. Done. It works in every chat, on every device, and in Claude Code too.

Needs a paid Claude plan. In a chat, make sure the connector is enabled under the tools menu.

ChatGPT
  1. Settings → Connectors → Advanced and turn on Developer mode.
  2. Create a connector. Name: PositronWiki. URL: the address above. Authentication: OAuth.
  3. Click Create, then Connect and paste your key. In a chat, enable it under the tools (+) menu.

Needs ChatGPT Plus, Pro, Team or Enterprise.

Claude Code (terminal) 
claude mcp add --transport http positronwiki https://wiki.positron.science/mcp

Then inside Claude Code type /mcp, pick positronwiki, Authenticate. A browser opens, paste your key.

Cursor, Windsurf, other MCP clients

Add an HTTP MCP server with the address above. If the client supports OAuth it will open the login page; if it only takes a header, use Authorization: Bearer <your key>.

What to ask

"Who in the portfolio can help with CE marking?"
"Which grants fit a Dutch quantum hardware startup?"
"Who can intro me to a fractional CFO?"
"Add this: https://… great primer on seed rounds"
"Tidy the inbox: file everything that's unfiled."