Todoist Second Brain: Tasks, Notes, and AI Context

A Todoist second brain works best when Todoist owns your next actions and a separate, linked record holds longer knowledge and project reasoning. Give each task enough information to act, then preserve important decisions somewhere that remains useful after the task is complete.

For AI-assisted projects, fenbs can keep the decisions and handoff that different assistants need. You can use it alongside Todoist without copying your entire daily task list or assuming the two products synchronize.

How do you set up the workflow without overbuilding it?

1. Pick one active outcome, such as delivering a workshop. Create a Todoist project with a name that tells you what completion means.
2. Add concrete actions: request the room layout, draft the agenda, or check the exercise instructions. Start titles with verbs rather than broad topics.
3. Add the information needed to do each action and a link to its relevant reference. Keep the full reference in the place where you maintain it.
4. Choose one home for the project goal, approved decisions, and unresolved questions. Put a link to that record where you will see it when reviewing the project.
5. At the end of an AI session, update the project handoff and the action list. Record what actually happened before adding new tasks.

Todoist projects group related tasks, and project descriptions can provide context beneath the project name. Its project guide↗ (opens in a new tab) explains setup and descriptions. Use that space to point toward the current project record rather than creating a second version of a long research document.

A useful test is whether a task makes sense when you open it on your phone between meetings. “Workshop” offers little direction. “Draft the first exercise using the approved audience assumptions” gives you something to start, provided the assumptions are linked and readable.

Which information belongs with a task?

Keep information close to the action when its useful life is mostly the life of that action. A page to review, the question to answer, and the result you are trying to produce belong with the task. This makes the list practical without turning it into an archive.

Do not assume every captured thought is an action. “Could the workshop be remote?” is a question until someone decides whether to investigate it. Label it as a question in the project record, then create a task if the answer requires work. Otherwise your action list gradually fills with unresolved thinking.

The broader AI second brain explanation covers reusable knowledge; this workflow focuses on the boundary between that knowledge and the next action.

How can AI help with the action list?

Ask AI to suggest a small set of actions from a goal you have already defined. Review the suggestions for missing prerequisites, invented deadlines, and steps that depend on a decision nobody has made. A neatly written task can still be unnecessary or premature.

Todoist Assist includes help with filters, email-derived tasks, and task suggestions or breakdowns; its official introduction↗ (opens in a new tab) explains availability and setup. Use those features when task capture or wording is the problem. A generated task list still needs the project evidence and human judgment behind it.

For the workshop, supply the approved audience, purpose, and delivery format before requesting an outline of preparation tasks. Ask the assistant to identify missing information separately. “Confirm whether participants have laptops” is more useful than an elaborate exercise plan built on an unverified assumption.

When the same project continues in another assistant, save that assumption and its answer in a work record such as fenbs; the AI brain guide explains why context needs a home beyond a single chat.

How do you avoid maintaining the same tasks twice?

Declare a home for each kind of work before connecting more tools. If Todoist is your personal action list, keep personal reminders there. Use a fenbs task when the work itself needs a shared plan, discussion, testing record, or a handoff between connected assistants. Do not recreate every small reminder in both places.

You might keep “Prepare the workshop exercises” as work tracked in fenbs while “Buy markers on the way home” stays in Todoist. If you add a Todoist reminder to resume the shared work, point it at that work record. Update progress where the work lives instead of describing completion independently in two systems.

This is a manual ownership convention, not a Todoist integration. Check both places during your review, and remove an unnecessary duplicate rather than trying to keep two competing descriptions aligned forever. Clear ownership usually helps more than a complex naming system.

What should the next assistant know when you stop?

Save the outcome of the session, the checks you ran, the decisions that apply, and the next safe action. “Exercises drafted; timing still untested” is a useful stopping point. “Workshop ready” would hide the remaining work and could cause another assistant to prepare a final participant handout too early.

• Completed: the first exercise has instructions and sample answers.
• Checked: instructions were compared with the approved audience summary.
• Unknown: the group has not tried the exercise, so timing is an estimate.
• Next: run a short rehearsal and revise the exercise before final formatting.

How to do this with fenbs

1. Create a free account and add the project whose work needs an assistant handoff.
2. Record its goal, approved assumptions, and relevant references in AI context notes, Decisions and rules, and Links and listings.
3. Add the shared work as tasks. Keep personal reminders in Todoist and decide explicitly where each action will be maintained.
4. Connect your assistant through Integrations. Have it read context before starting and save completed work, checks, uncertainty, and the next step before stopping.

fenbs is free for one person, no credit card. It is not the right fit if all you need is a personal action list and you do not need shared AI context. Begin with your current Todoist setup, and add a work record only when repeatedly explaining the project has become a real problem.

Explore the second-brain topic for note-centered approaches, or the agile workflow guide for a separate discussion of organizing ongoing delivery.