0n3
MCP servers · Substack · MCP server

Connect VS Code (Copilot) to Substack

One line gives VS Code (Copilot) your Substack account as tools: 3 endpoints, read posts, search posts, called with your own connection. No key in the prompt, a receipt for every call, revoke VS Code (Copilot)'s access alone any time.

Get the line for VS Code (Copilot)Connect Substack first

Three steps

  1. Create a free 0n3 account and connect Substack. Paste a key or sign in; it lands in your vault, encrypted.
  2. Install 0n3 into VS Code (Copilot). One-click install link, or .vscode/mcp.json.
  3. Ask VS Code (Copilot): whoami. Then: "List posts in Substack".
One-click install

Install

The line above carries a placeholder; 0n3.app/install mints a real key named for VS Code (Copilot) and fills it in.

What VS Code (Copilot) can then do in Substack

Read posts · List a publication's posts (archive) and fetch a single post by slug2
List postsGET /archive
Get a postGET /posts/{slug}
Search posts · Search posts within a publication1
Search postsGET /post/search

Substack in other AI clients

Claude Code + SubstackMCP server + skillClaude (desktop & claude.ai) + SubstackconnectorChatGPT + Substackconnector · GPT actionCodex CLI + SubstackMCP serverGemini CLI + SubstackMCP serverCursor + SubstackMCP serverWindsurf + SubstackMCP server

VS Code (Copilot) with other apps

Hostinger363 endpointsTelegram132 endpointsPipedrive95 endpointsResend67 endpointsSquare57 endpointsLinkedIn50 endpointsSlack45 endpointsFigma32 endpointsCloudConvert32 endpointseBay25 endpointsQuickBooks21 endpointsCloudflare21 endpoints