Build a First-Week Knowledge Guide in Slack Around Real Work
Give a new teammate one real starting task, the current sources needed to do it, and a person who can resolve uncertainty. A first-week knowledge guide in Slack should help them take a reviewed next step, not merely read a long list of documents.

TL;DR
- Organize the guide around the new teammate's first useful assignment.
- Distinguish missing access, missing knowledge and decisions that require a person.
- Ask for source-linked answers, then verify them against the task.
- Use unanswered questions to improve the guide for the next teammate.
Start with the work they are expected to do
A new hire can finish an onboarding checklist and still not know which version of a document to use or who approves their first piece of work. The problem is often not a lack of information. It is a lack of a usable route through it.
Choose a small, real assignment with a low-risk review step. For a new marketing teammate, an illustrative first task is drafting an internal event announcement from approved event details and brand guidance. That gives the guide a concrete purpose without asking the person to publish before they understand the process.
Give the guide a visible home
Slack's new-hire guidance recommends a welcome channel and accessible onboarding resources. Use the team's existing channel or document, with a clear owner. Keep required HR, security and employment processes in their established systems.
Link to the maintained documents rather than copying a second handbook into Slack. A Notion-connected knowledge workflow can help when Notion is the source, but the first-week guide should work across the actual tools needed for the assignment.
Map questions to a next step
| Question from the new teammate | Useful guide entry | Who resolves a gap |
|---|---|---|
| What am I trying to finish? | The first assignment and its definition of done | Manager or task owner |
| Which source should I trust? | Current brief, policy or approved example | Document owner |
| Where do I work on it? | Project, channel and draft location | Team buddy |
| Can I access what I need? | Links the person can actually open | Approved access administrator |
| Who checks the result? | Reviewer and submission process | Task owner |
| What must I not do yet? | Publishing, customer or system-change boundaries | Accountable owner |
The guide does not have to answer every future question. It needs to make the next sensible action visible. Include vocabulary only when it is necessary to understand the first assignment, with a source or a teammate who can explain it.
Use company questions before generic training
Mio's company-knowledge case shows two relevant examples. A teammate asked which typography rules applied and received guidance from Notion. Another question used partial event details, which Mio connected to Slack and a Linear issue. The answers linked back to their sources.
Those examples support a practical first-week pattern: ask a question about the actual work, then inspect the source. They do not prove that a new hire has completed training or can bypass an approval step.
For the fictional announcement task, useful questions are: 'Which approved event details should I use?', 'Where are the current heading rules?', and 'Who reviews the draft before it is shared?' Ask Mio to distinguish retrieved facts from questions that still need a person.
Keep three kinds of blocker separate
Missing access means the person cannot reach an approved source. Route that through the normal administrator; do not solve it by sharing credentials or copying restricted material into the welcome channel.
Missing knowledge means the source does not answer the question, is outdated, or conflicts with another source. Ask its owner to clarify. Missing authority means the next action needs approval even when the answer is known. More context does not grant permission to publish, spend or change a customer record.
Ask: 'Help me prepare this first assignment from the sources I am permitted to use. Give the current answer and source for each question. Label anything missing or conflicting. Explain the next step, but do not change access, publish, or infer approval.'
Check readiness through the assignment
Have the new teammate explain which source they used, why it was current, what remained uncertain and who should review the result. Then review the actual draft. This checks whether the guide helped them work, rather than whether they opened every link.
Keep the interaction supportive. The point is to reveal gaps in the team's documentation and orientation, not to score a person's intelligence from how many questions they ask. A question that exposes conflicting guidance is useful feedback.
Make the next first week easier
At the end of the week, update the guide with questions that blocked real work. Correct the authoritative source before adding a workaround. The shared-team-memory guide covers maintaining those reusable answers after onboarding.
Track whether the first assignment reached review with the necessary context, which access gaps remained and which questions needed repeated explanation. Do not turn the number of AI messages into an onboarding success metric. Mio can help a new teammate ask grounded questions in Slack while the manager, buddy and reviewer keep their roles. Try Mio with your team.
Keep exploring
Related articles

Playbook
How to Build Shared Team Memory in Slack With AI
Give recurring company answers a source, an owner and a review rule, so the next teammate does not have to start from scratch.

Comparison
Mio vs Glean: Slack AI Coworker vs Enterprise Search (2026)
Mio and Glean both use company context, but they solve different first problems: shared work in Slack versus enterprise-wide search.

Comparison
Mio vs Notion AI: Slack Coworker vs AI Workspace (2026)
Notion AI makes a document workspace searchable and generative. Mio brings shared context and recurring work into Slack.
Mio is the Slack-native AI coworker that already knows your company, connects to 3,000+ tools, and turns shared context into work. Just @mio, it's handled.