Open-source Trello MCP alternatives
The Trello MCP server is already open source, a community project you can read and fork before granting it access to your boards. If you want that same option in a tool with a different data model, every server below publishes its code too, so you can vet exactly which API calls an agent can make.
These are the open-source servers people line up against Trello, ordered roughly by how widely each is used. Most run locally, and all of them let you pin the version you trust. Each note says what the source actually controls.
The 8 best open-source alternatives
Notion's server is open source and adds documents and databases over plain task tracking, searching, reading, and writing pages over OAuth. Read the repo to confirm what it can touch in a workspace before you wire it in.
Set up Notion →Open and bot-free, the community Slack server reads history, DMs, and search and posts messages. Reach for it when the work lives in chat rather than on a board, and the source is right there to audit.
Set up Slack →Doist publishes its official Todoist server, tightly scoped to tasks: create, find, update, and complete tasks, projects, labels, reminders, and goals, with a repo you can read end to end.
Set up Todoist →Schema-first and fully open, the maintained Airtable server lets an agent inspect a base, then read, search, and write records, fields, and comments. Vetting it before write access is granted is straightforward.
Set up Airtable →Closest to a docs-plus-tables model, the open-source Coda server connects an agent to docs, pages, tables, and rows. The source confirms exactly what it can edit.
Set up Coda →Local Markdown is the whole idea of Obsidian, and its open-source server reads, searches, and edits the vault through the Local REST API plugin. You see every call it makes and keep the files on your own disk.
Set up Obsidian →Built on Telethon and fully open, the Telegram server reads chats, manages groups and contacts, and sends or edits messages and media. It fits when the workspace your agent needs is a Telegram community, not a board.
Set up Telegram →Atlassian's official server is open source and reads, searches, creates, and updates Jira issues and Confluence pages, the auditable pick when board work is really issue tracking with docs alongside.
Set up Atlassian (Jira & Confluence) →
How to choose
Since Trello's own server is already open source, the question is which open codebase matches your data model. For documents alongside tasks, audit Notion or Coda; for relational records, Airtable's repo is small and clear; for issues with docs, Atlassian. Obsidian keeps notes local, Todoist scopes tightly to tasks, and Slack or Telegram cover work that lives in chat. Whichever you pick, read the repo before you grant write access to a real workspace.
FAQ
- Is the Trello MCP server open source?
- Yes. It is a community-maintained open-source server, so you can read the code, fork it, and pin a version. Every alternative on this page is open source as well, which is the point of this cut.
- Why pick an open-source MCP server over a hosted one?
- You can read exactly which API calls the server is able to make, pin or patch the version you run, and keep credentials on infrastructure you control. The trade-off is that you operate it yourself instead of relying on a vendor to keep it running.