15 categories: design, engineering, game-development, marketing, paid-media, product, project-management, sales, spatial-computing, specialized, strategy, support, testing, examples, integrations. Each agent has frontmatter (name, description, color, emoji, vibe) and a detailed system prompt. Source: msitarzewski/agency-agents (MIT). These feed into our content pipeline: agent personas drive strategy and content generation through MixPost Enterprise, Bio.Host, and the wider Host UK toolkit via MCP. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Multi-Agent Workflow: Startup MVP with Persistent Memory
The same startup MVP workflow from workflow-startup-mvp.md, but with an MCP memory server handling state between agents. No more copy-paste handoffs.
The Problem with Manual Handoffs
In the standard workflow, every agent-to-agent transition looks like this:
Activate Backend Architect.
Here's our sprint plan: [paste Sprint Prioritizer output]
Here's our research brief: [paste UX Researcher output]
Design the API and database schema for RetroBoard.
...
You are the glue. You copy-paste outputs between agents, keep track of what's been done, and hope you don't lose context along the way. It works for small projects, but it falls apart when:
- Sessions time out and you lose the output
- Multiple agents need the same context
- QA fails and you need to rewind to a previous state
- The project spans days or weeks across many sessions
The Fix
With an MCP memory server installed, agents store their deliverables in memory and retrieve what they need automatically. Handoffs become:
Activate Backend Architect.
Project: RetroBoard. Recall previous context for this project
and design the API and database schema.
The agent searches memory for RetroBoard context, finds the sprint plan and research brief stored by previous agents, and picks up from there.
Setup
Install any MCP-compatible memory server that supports remember, recall, and rollback operations. See integrations/mcp-memory/README.md for setup.
The Scenario
Same as the standard workflow: a SaaS team retrospective tool (RetroBoard), 4 weeks to MVP, solo developer.
Agent Team
| Agent | Role in this workflow |
|---|---|
| Sprint Prioritizer | Break the project into weekly sprints |
| UX Researcher | Validate the idea with quick user interviews |
| Backend Architect | Design the API and data model |
| Frontend Developer | Build the React app |
| Rapid Prototyper | Get the first version running fast |
| Growth Hacker | Plan launch strategy while building |
| Reality Checker | Gate each milestone before moving on |
Each agent has a Memory Integration section in their prompt (see integrations/mcp-memory/README.md for how to add it).
The Workflow
Week 1: Discovery + Architecture
Step 1 — Activate Sprint Prioritizer
Activate Sprint Prioritizer.
Project: RetroBoard — a real-time team retrospective tool for remote teams.
Timeline: 4 weeks to MVP launch.
Core features: user auth, create retro boards, add cards, vote, action items.
Constraints: solo developer, React + Node.js stack, deploy to Vercel + Railway.
Break this into 4 weekly sprints with clear deliverables and acceptance criteria.
Remember your sprint plan tagged for this project when done.
The Sprint Prioritizer produces the sprint plan and stores it in memory tagged with sprint-prioritizer, retroboard, and sprint-plan.
Step 2 — Activate UX Researcher (in parallel)
Activate UX Researcher.
I'm building a team retrospective tool for remote teams (5-20 people).
Competitors: EasyRetro, Retrium, Parabol.
Run a quick competitive analysis and identify:
1. What features are table stakes
2. Where competitors fall short
3. One differentiator we could own
Output a 1-page research brief. Remember it tagged for this project when done.
The UX Researcher stores the research brief tagged with ux-researcher, retroboard, and research-brief.
Step 3 — Hand off to Backend Architect
Activate Backend Architect.
Project: RetroBoard. Recall the sprint plan and research brief from previous agents.
Stack: Node.js, Express, PostgreSQL, Socket.io for real-time.
Design:
1. Database schema (SQL)
2. REST API endpoints list
3. WebSocket events for real-time board updates
4. Auth strategy recommendation
Remember each deliverable tagged for this project and for the frontend-developer.
The Backend Architect recalls the sprint plan and research brief from memory automatically. No copy-paste. It stores its schema and API spec tagged with backend-architect, retroboard, api-spec, and frontend-developer.
Week 2: Build Core Features
Step 4 — Activate Frontend Developer + Rapid Prototyper
Activate Frontend Developer.
Project: RetroBoard. Recall the API spec and schema from the Backend Architect.
Build the RetroBoard React app:
- Stack: React, TypeScript, Tailwind, Socket.io-client
- Pages: Login, Dashboard, Board view
- Components: RetroCard, VoteButton, ActionItem, BoardColumn
Start with the Board view — it's the core experience.
Focus on real-time: when one user adds a card, everyone sees it.
Remember your progress tagged for this project.
The Frontend Developer pulls the API spec from memory and builds against it.
Step 5 — Reality Check at midpoint
Activate Reality Checker.
Project: RetroBoard. We're at week 2 of a 4-week MVP build.
Recall all deliverables from previous agents for this project.
Evaluate:
1. Can we realistically ship in 2 more weeks?
2. What should we cut to make the deadline?
3. Any technical debt that will bite us at launch?
Remember your verdict tagged for this project.
The Reality Checker has full visibility into everything produced so far — the sprint plan, research brief, schema, API spec, and frontend progress — without you having to collect and paste it all.
Week 3: Polish + Landing Page
Step 6 — Frontend Developer continues, Growth Hacker starts
Activate Growth Hacker.
Product: RetroBoard — team retrospective tool, launching in 1 week.
Target: Engineering managers and scrum masters at remote-first companies.
Budget: $0 (organic launch only).
Recall the project context and Reality Checker's verdict.
Create a launch plan:
1. Landing page copy (hero, features, CTA)
2. Launch channels (Product Hunt, Reddit, Hacker News, Twitter)
3. Day-by-day launch sequence
4. Metrics to track in week 1
Remember the launch plan tagged for this project.
Week 4: Launch
Step 7 — Final Reality Check
Activate Reality Checker.
Project: RetroBoard, ready to launch.
Recall all project context, previous verdicts, and the launch plan.
Evaluate production readiness:
- Live URL: [url]
- Test accounts created: yes
- Error monitoring: Sentry configured
- Database backups: daily automated
Run through the launch checklist and give a GO / NO-GO decision.
Require evidence for each criterion.
When QA Fails: Rollback
In the standard workflow, when the Reality Checker rejects a deliverable, you go back to the responsible agent and try to explain what went wrong. With memory, the recovery loop is tighter:
Activate Backend Architect.
Project: RetroBoard. The Reality Checker flagged issues with the API design.
Recall the Reality Checker's feedback and your previous API spec.
Roll back to your last known-good schema and address the specific issues raised.
Remember the updated deliverables when done.
The Backend Architect can see exactly what the Reality Checker flagged, recall its own previous work, roll back to a checkpoint, and produce a fix — all without you manually tracking versions.
Before and After
| Aspect | Standard Workflow | With Memory |
|---|---|---|
| Handoffs | Copy-paste full output between agents | Agents recall what they need automatically |
| Context loss | Session timeouts lose everything | Memories persist across sessions |
| Multi-agent context | Manually compile context from N agents | Agent searches memory for project tag |
| QA failure recovery | Manually describe what went wrong | Agent recalls feedback + rolls back |
| Multi-day projects | Re-establish context every session | Agent picks up where it left off |
| Setup required | None | Install an MCP memory server |
Key Patterns
- Tag everything with the project name: This is what makes recall work. Every memory gets tagged with
retroboard(or whatever your project is). - Tag deliverables for the receiving agent: When the Backend Architect finishes an API spec, it tags the memory with
frontend-developerso the Frontend Developer finds it on recall. - Reality Checker gets full visibility: Because all agents store their work in memory, the Reality Checker can recall everything for the project without you compiling it.
- Rollback replaces manual undo: When something fails, roll back to the last checkpoint instead of trying to figure out what changed.
Tips
- You don't need to modify every agent at once. Start by adding Memory Integration to the agents you use most and expand from there.
- The memory instructions are prompts, not code. The LLM interprets them and calls the MCP tools as needed. You can adjust the wording to match your style.
- Any MCP-compatible memory server that supports
remember,recall,rollback, andsearchtools will work with this workflow.