Open source month · October 2026

Mergetober

Get paid to contribute to open source. $5,000 in prizes, and your code ships to real users.

All through October, build integrations for Cognee, the open source memory layer for AI agents. Every PR that gets merged ships to developers and companies worldwide.

See how it worksBrowse open issues

Registration

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One moment. Pulling up this hackathon.

When
October 1 to 31, 2026
Where
Online, from anywhere
Prizes
$100 each to 20 people picked at random from merged PRs, a $2,000 top contributor prize, and an M6 Mac mini for the best use case

Resources

All links in one place

Bookmark this page. Everything you need for the month, from the first issue to the last PR.

Start here

Repositories

Docs

Community

Builder's toolkit

From assigned to merged

The details behind the overview's four steps, ready to copy.

01

Get assigned

Comment on the issue explaining how you'd build it, and tag @NMZivkovic asking to be assigned. If someone else is already on it, pick another, or tag them if it's been sitting untouched for a while.

Your comment on the issue
Hi @NMZivkovic, I'd like to work on this one for Mergetober.

How I'd build it:
- Source: <which API or SDK I'll read from, and how I'll authenticate>
- Data: <what gets ingested into Cognee, and how it's shaped>
- Testing: <how I'll test it against a real account>

Could you assign it to me?

02

Try Cognee first

Spend a few minutes running Cognee locally before you build on it. Install it with pip install cognee and follow the installation guide and docs.

terminal
pip install cognee

# Explore a bundled demo graph, no API key needed
cognee-cli demo

03

See where your code goes

Data source connectors live in the cognee-community repo under packages/connector/<name>/, and the Notion connector is a good reference to copy the shape from. Agent and framework integrations live in the cognee-integrations repo.

  • cognee-community/
  • packages/
  • connector/
  • notion/# the reference
  • cognee_community_connector_notion/
  • __init__.py
  • notion.py
  • examples/
  • tests/
  • pyproject.toml
  • README.md
  • <name>/# yours goes here

04

Follow the contribution rules

Read Cognee's contributing guide before opening your PR. It covers branches, signed-off commits (git commit -s) and the DCO line your PR description needs.

terminal
# Branch from main in cognee-community, or from dev in cognee
git checkout -b feature/gitlab-connector

# Sign off every commit (adds the DCO line)
git commit -s -m "feat: add GitLab connector"
Paste at the end of your PR description
I affirm that all code in every commit of this pull request conforms to the terms of the Topoteretes Developer Certificate of Origin.