Alternatives
Substack does not provide a native public API for publishing posts. But authors who want to draft, publish, and schedule from AI agents (Cursor, Claude, and other MCP hosts) still need a way out. This is the MCP server to publish to Substack via any agent.
1 New tools for publishing video posts
2023
2 Turn any API into an MCP server for AI agents
Jun 2026
3 One API to publish across every social platform.
May 2026
4 Paid email newsletters made simple
2018
5 Publish blog posts just by sending an email
2019
6 Easily deploy your existing AI agent projects as MCP servers
2025
7 One API to publish to Instagram, TikTok, Youtube and others
Feb 2026
8 Give AI agents access to real-time data across 200+ apps
May 2026
9 Run a research agent with cited answers in a single API call
Jun 2026
10 Turn any website into an MCP server for AI
Feb 2026
11 Publish & schedule Instagram posts from Notion with ease
2021
12 The home for great writing
2022
13 Write and publish posts on LinkedIn & X
May 2026
14 Let AI agents run your next deal, fundraise or data room
Jun 2026
15 World's first decentralised P2P publishing platform
2018
16 Publish, reply, and analyze social media via API
Jun 2026
17 Discover and discuss great writing on Substack
2023
18 Open-source pull requests AI agent
2023
19 Publish knowledge with your community.
2021
20 Open-source homeserver OS with a built-in AI agent
Jul 2026
21 The API Discovery & Consumption layer for devs and agents
Jul 2026
22 Schedule Instagram posts & stories without notifications
2018
23 PB 24 AI Social Media Publishing MCP Server
29d ago · postmcpai.com
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NowFound indexes public launch announcements and links back to each source. Listings are removed on a maker's request, same day. A PixelGrab project.
