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Munin
The open-source customer platform for the agentic era
CRM, knowledge, content, outreach, conversations, and analytics — unified in one MCP-first system built for AI agents, with humans in control. Open source. MIT.
Hi Product Hunt! Kjell here 👋
Munin is an open-source, headless alternative to HubSpot – CRM, shared inbox, outreach, CMS, knowledge base and analytics, all on one backend.
It started as a side project earlier this year. I needed to run some cold outreach on another project, HubSpot felt like overkill (and pricey), so I hacked something together with Claude + Gmail + a Google Sheet + Apps Script. It worked, but it got messy fast, and managing contacts in a spreadsheet isn't fun. So I decided to build the thing properly, once and for all – and make it fully open source (MIT).
What makes it different: it's headless. Instead of clicking through endless screens, everything runs through MCP tools. Munin ships a built-in agent that handles live conversations and routine curation out of the box, and you bring your own agents (Claude, Cursor, ChatGPT…) alongside it for the rest – they all drive the same tools. There's still a thin dashboard for settings and human-in-the-loop review, so a person approves anything that actually matters.
You can self-host it (docker compose up) or spin up the cloud free tier in a few minutes, no card.
It's still early in places, and I'd genuinely love your feedback – product or tech.
How does the MCP-first setup actually work in practice for someone without an engineering background? I can wire up the integrations myself, but curious how much hand-holding the team provides to get a non-technical user comfortable with the agent side of things.
Plugged it into my Claude setup and having CRM, content, and outreach share one context felt weirdly natural instead of duct-taped together. The MCP-first angle actually delivers.
About Munin on Product Hunt
“The open-source customer platform for the agentic era”
Munin was submitted on Product Hunt and earned 5 upvotes and 5 comments, placing #130 on the daily leaderboard. CRM, knowledge, content, outreach, conversations, and analytics — unified in one MCP-first system built for AI agents, with humans in control. Open source. MIT.
Munin was featured in Sales (21.9k followers), Customer Communication (12.7k followers), Marketing (465.8k followers) and GitHub (41.3k followers) on Product Hunt. Together, these topics include over 115k products, making this a competitive space to launch in.
Who hunted Munin?
Munin was hunted by Kjell Rune Monsø. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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Kjell Rune Monsø