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Features

Resource

Blog

Pricing

Blog

Select Language

PRD

External customers should be modified to go through a separate payment process.

The following features are required to process payments for external customers.

Only members can make payments.

Non-members will be prompted to log in.

Payment amount

Each meeting room requires a cost setting by time.

Payment will be made according to that amount.

You need to decide on a payment method.

A payment gateway and payment module call are required.

Policy agreement

You need to verify and agree to the payment details.

Agreement is required for refunds and cancellations.

Agreement is required for the no-show policy.

Would you like me to apply those changes?

I want to create a meeting room reservation service.

I will plan a meeting room reservation service (web/iOS/Android) for company employees and managers.

Document read

PRD work completed

Feature work completed

Specification work completed

Recommended Actions

Draft UI flow (wireframes) and API specifications

Establish priority-based development and testing plans

Outline the product roadmap and additional features

If you want, I can create the UI/API specifications or the work roadmap for the MVP right away. What should we do first?

▌

claude-4-sonnet

300

Empowering the planning process for diverse teams.

Functions

The fastest, easiest way to plan IT products

PRD

Tree

AI agent

The AI automates functional specs and IA structure. It reviews your work to suggest improvements, letting you focus on strategy instead of repetitive tasks.

Functional Specification, Information Architecture (IA)Editor

Feature specification, information architecture (IA) editor

Define features and structure in minutes. Build a clear information architecture to keep your team aligned and minimize revisions with interconnected docs.

PRD

Tree

Functional Specification

MCP compatible

Seamlessly integrate with MCP. Feed your Manyfast docs directly as context to start AI-powered development in Cursor or Claude Code immediately.

Flexible Export

Export your finalized plan in one click. Get Excel for developers,
images for designers, and Markdown for collaboration tools.

Meeting Room Reservation

Configuring the reservation feature for internal employees. You can quickly check the status of all meeting rooms and make reservations.

Wendy

Hara

Max

Real-time collaboration

Share documents with your team and collaborate in real time.
Keep your team aligned with instant access to the latest versions.

User Voice

Driving innovation with teams everywhere.

The burden of starting
from scratch is completely gone.
The Excel export provided a solid foundation instantly, so I only needed to add a few tabs. It drastically accelerated our initial planning process.
Startup founder
A must-try tool for
every product planner.
My team agreed it’s a incredibly well-crafted tool. It really shines in quickly structuring complex thoughts. I highly recommend it to my colleagues.
Product Planner (20y+)
Finished 2 months
of planning in just 2 hours.
I tested it on a 2-month project, and I was stunned by how well the AI captured the structure. It’s perfect for rapidly visualizing your plans.
PM at Dev Agency
An essential tool for
teams short on planners.
Just inputting keywords produces pro-level specs. It’s a perfect fit for small teams. I’ve even recommended it to our developers to try.
CEO of Dev Agency
Visualizing the entire flow was
incredibly helpful.
The AI instantly organized the structure, giving us a clear big picture. Perfect for reviewing the architecture before development.
Enterprise Developer
High-quality specs
from just simple inputs.
It generated detailed specs and diagrams without needing extra context explanation. Incredibly powerful for organizing ideas in the early stages.
Vibe Coder
The burden of starting
from scratch is completely gone.
The Excel export provided a solid foundation instantly, so I only needed to add a few tabs. It drastically accelerated our initial planning process.
Startup founder
A must-try tool for
every product planner.
My team agreed it’s a incredibly well-crafted tool. It really shines in quickly structuring complex thoughts. I highly recommend it to my colleagues.
Product Planner (20y+)
Finished 2 months
of planning in just 2 hours.
I tested it on a 2-month project, and I was stunned by how well the AI captured the structure. It’s perfect for rapidly visualizing your plans.
PM at Dev Agency
An essential tool for
teams short on planners.
Just inputting keywords produces pro-level specs. It’s a perfect fit for small teams. I’ve even recommended it to our developers to try.
CEO of Dev Agency
Visualizing the entire flow was
incredibly helpful.
The AI instantly organized the structure, giving us a clear big picture. Perfect for reviewing the architecture before development.
Enterprise Developer
High-quality specs
from just simple inputs.
It generated detailed specs and diagrams without needing extra context explanation. Incredibly powerful for organizing ideas in the early stages.
Vibe Coder
The burden of starting
from scratch is completely gone.
The Excel export provided a solid foundation instantly, so I only needed to add a few tabs. It drastically accelerated our initial planning process.
Startup founder
A must-try tool for
every product planner.
My team agreed it’s a incredibly well-crafted tool. It really shines in quickly structuring complex thoughts. I highly recommend it to my colleagues.
Product Planner (20y+)
Finished 2 months
of planning in just 2 hours.
I tested it on a 2-month project, and I was stunned by how well the AI captured the structure. It’s perfect for rapidly visualizing your plans.
PM at Dev Agency
An essential tool for
teams short on planners.
Just inputting keywords produces pro-level specs. It’s a perfect fit for small teams. I’ve even recommended it to our developers to try.
CEO of Dev Agency
Visualizing the entire flow was
incredibly helpful.
The AI instantly organized the structure, giving us a clear big picture. Perfect for reviewing the architecture before development.
Enterprise Developer
High-quality specs
from just simple inputs.
It generated detailed specs and diagrams without needing extra context explanation. Incredibly powerful for organizing ideas in the early stages.
Vibe Coder
The burden of starting
from scratch is completely gone.
The Excel export provided a solid foundation instantly, so I only needed to add a few tabs. It drastically accelerated our initial planning process.
Startup founder
A must-try tool for
every product planner.
My team agreed it’s a incredibly well-crafted tool. It really shines in quickly structuring complex thoughts. I highly recommend it to my colleagues.
Product Planner (20y+)
Finished 2 months
of planning in just 2 hours.
I tested it on a 2-month project, and I was stunned by how well the AI captured the structure. It’s perfect for rapidly visualizing your plans.
PM at Dev Agency
An essential tool for
teams short on planners.
Just inputting keywords produces pro-level specs. It’s a perfect fit for small teams. I’ve even recommended it to our developers to try.
CEO of Dev Agency
Visualizing the entire flow was
incredibly helpful.
The AI instantly organized the structure, giving us a clear big picture. Perfect for reviewing the architecture before development.
Enterprise Developer
High-quality specs
from just simple inputs.
It generated detailed specs and diagrams without needing extra context explanation. Incredibly powerful for organizing ideas in the early stages.
Vibe Coder

The burden of starting
from scratch is completely gone.
The Excel export provided a solid foundation instantly, so I only needed to add a few tabs. It drastically accelerated our initial planning process.
Startup founder
A must-try tool for
every product planner.
My team agreed it’s a incredibly well-crafted tool. It really shines in quickly structuring complex thoughts. I highly recommend it to my colleagues.
Product Planner (20y+)
Finished 2 months
of planning in just 2 hours.
I tested it on a 2-month project, and I was stunned by how well the AI captured the structure. It’s perfect for rapidly visualizing your plans.
PM at Dev Agency
An essential tool for
teams short on planners.
Just inputting keywords produces pro-level specs. It’s a perfect fit for small teams. I’ve even recommended it to our developers to try.
CEO of Dev Agency
Visualizing the entire flow was
incredibly helpful.
The AI instantly organized the structure, giving us a clear big picture. Perfect for reviewing the architecture before development.
Enterprise Developer
High-quality specs
from just simple inputs.
It generated detailed specs and diagrams without needing extra context explanation. Incredibly powerful for organizing ideas in the early stages.
Vibe Coder
The burden of starting
from scratch is completely gone.
The Excel export provided a solid foundation instantly, so I only needed to add a few tabs. It drastically accelerated our initial planning process.
Startup founder
A must-try tool for
every product planner.
My team agreed it’s a incredibly well-crafted tool. It really shines in quickly structuring complex thoughts. I highly recommend it to my colleagues.
Product Planner (20y+)
Finished 2 months
of planning in just 2 hours.
I tested it on a 2-month project, and I was stunned by how well the AI captured the structure. It’s perfect for rapidly visualizing your plans.
PM at Dev Agency
An essential tool for
teams short on planners.
Just inputting keywords produces pro-level specs. It’s a perfect fit for small teams. I’ve even recommended it to our developers to try.
CEO of Dev Agency
Visualizing the entire flow was
incredibly helpful.
The AI instantly organized the structure, giving us a clear big picture. Perfect for reviewing the architecture before development.
Enterprise Developer
High-quality specs
from just simple inputs.
It generated detailed specs and diagrams without needing extra context explanation. Incredibly powerful for organizing ideas in the early stages.
Vibe Coder
The burden of starting
from scratch is completely gone.
The Excel export provided a solid foundation instantly, so I only needed to add a few tabs. It drastically accelerated our initial planning process.
Startup founder
A must-try tool for
every product planner.
My team agreed it’s a incredibly well-crafted tool. It really shines in quickly structuring complex thoughts. I highly recommend it to my colleagues.
Product Planner (20y+)
Finished 2 months
of planning in just 2 hours.
I tested it on a 2-month project, and I was stunned by how well the AI captured the structure. It’s perfect for rapidly visualizing your plans.
PM at Dev Agency
An essential tool for
teams short on planners.
Just inputting keywords produces pro-level specs. It’s a perfect fit for small teams. I’ve even recommended it to our developers to try.
CEO of Dev Agency
Visualizing the entire flow was
incredibly helpful.
The AI instantly organized the structure, giving us a clear big picture. Perfect for reviewing the architecture before development.
Enterprise Developer
High-quality specs
from just simple inputs.
It generated detailed specs and diagrams without needing extra context explanation. Incredibly powerful for organizing ideas in the early stages.
Vibe Coder
The burden of starting
from scratch is completely gone.
The Excel export provided a solid foundation instantly, so I only needed to add a few tabs. It drastically accelerated our initial planning process.
Startup founder
A must-try tool for
every product planner.
My team agreed it’s a incredibly well-crafted tool. It really shines in quickly structuring complex thoughts. I highly recommend it to my colleagues.
Product Planner (20y+)
Finished 2 months
of planning in just 2 hours.
I tested it on a 2-month project, and I was stunned by how well the AI captured the structure. It’s perfect for rapidly visualizing your plans.
PM at Dev Agency
An essential tool for
teams short on planners.
Just inputting keywords produces pro-level specs. It’s a perfect fit for small teams. I’ve even recommended it to our developers to try.
CEO of Dev Agency
Visualizing the entire flow was
incredibly helpful.
The AI instantly organized the structure, giving us a clear big picture. Perfect for reviewing the architecture before development.
Enterprise Developer
High-quality specs
from just simple inputs.
It generated detailed specs and diagrams without needing extra context explanation. Incredibly powerful for organizing ideas in the early stages.
Vibe Coder

The burden of starting
from scratch is completely gone.
The Excel export provided a solid foundation instantly, so I only needed to add a few tabs. It drastically accelerated our initial planning process.
Startup founder
A must-try tool for
every product planner.
My team agreed it’s a incredibly well-crafted tool. It really shines in quickly structuring complex thoughts. I highly recommend it to my colleagues.
Product Planner (20y+)
Finished 2 months
of planning in just 2 hours.
I tested it on a 2-month project, and I was stunned by how well the AI captured the structure. It’s perfect for rapidly visualizing your plans.
PM at Dev Agency
An essential tool for
teams short on planners.
Just inputting keywords produces pro-level specs. It’s a perfect fit for small teams. I’ve even recommended it to our developers to try.
CEO of Dev Agency
Visualizing the entire flow was
incredibly helpful.
The AI instantly organized the structure, giving us a clear big picture. Perfect for reviewing the architecture before development.
Enterprise Developer
High-quality specs
from just simple inputs.
It generated detailed specs and diagrams without needing extra context explanation. Incredibly powerful for organizing ideas in the early stages.
Vibe Coder
The burden of starting
from scratch is completely gone.
The Excel export provided a solid foundation instantly, so I only needed to add a few tabs. It drastically accelerated our initial planning process.
Startup founder
A must-try tool for
every product planner.
My team agreed it’s a incredibly well-crafted tool. It really shines in quickly structuring complex thoughts. I highly recommend it to my colleagues.
Product Planner (20y+)
Finished 2 months
of planning in just 2 hours.
I tested it on a 2-month project, and I was stunned by how well the AI captured the structure. It’s perfect for rapidly visualizing your plans.
PM at Dev Agency
An essential tool for
teams short on planners.
Just inputting keywords produces pro-level specs. It’s a perfect fit for small teams. I’ve even recommended it to our developers to try.
CEO of Dev Agency
Visualizing the entire flow was
incredibly helpful.
The AI instantly organized the structure, giving us a clear big picture. Perfect for reviewing the architecture before development.
Enterprise Developer
High-quality specs
from just simple inputs.
It generated detailed specs and diagrams without needing extra context explanation. Incredibly powerful for organizing ideas in the early stages.
Vibe Coder
The burden of starting
from scratch is completely gone.
The Excel export provided a solid foundation instantly, so I only needed to add a few tabs. It drastically accelerated our initial planning process.
Startup founder
A must-try tool for
every product planner.
My team agreed it’s a incredibly well-crafted tool. It really shines in quickly structuring complex thoughts. I highly recommend it to my colleagues.
Product Planner (20y+)
Finished 2 months
of planning in just 2 hours.
I tested it on a 2-month project, and I was stunned by how well the AI captured the structure. It’s perfect for rapidly visualizing your plans.
PM at Dev Agency
An essential tool for
teams short on planners.
Just inputting keywords produces pro-level specs. It’s a perfect fit for small teams. I’ve even recommended it to our developers to try.
CEO of Dev Agency
Visualizing the entire flow was
incredibly helpful.
The AI instantly organized the structure, giving us a clear big picture. Perfect for reviewing the architecture before development.
Enterprise Developer
High-quality specs
from just simple inputs.
It generated detailed specs and diagrams without needing extra context explanation. Incredibly powerful for organizing ideas in the early stages.
Vibe Coder
The burden of starting
from scratch is completely gone.
The Excel export provided a solid foundation instantly, so I only needed to add a few tabs. It drastically accelerated our initial planning process.
Startup founder
A must-try tool for
every product planner.
My team agreed it’s a incredibly well-crafted tool. It really shines in quickly structuring complex thoughts. I highly recommend it to my colleagues.
Product Planner (20y+)
Finished 2 months
of planning in just 2 hours.
I tested it on a 2-month project, and I was stunned by how well the AI captured the structure. It’s perfect for rapidly visualizing your plans.
PM at Dev Agency
An essential tool for
teams short on planners.
Just inputting keywords produces pro-level specs. It’s a perfect fit for small teams. I’ve even recommended it to our developers to try.
CEO of Dev Agency
Visualizing the entire flow was
incredibly helpful.
The AI instantly organized the structure, giving us a clear big picture. Perfect for reviewing the architecture before development.
Enterprise Developer
High-quality specs
from just simple inputs.
It generated detailed specs and diagrams without needing extra context explanation. Incredibly powerful for organizing ideas in the early stages.
Vibe Coder

FAQ

Have questions?

What is the purpose of Manyfast?

Manyfast is a solution that boosts productivity in planning tasks by providing AI agents with automatic draft generation and automated output features. In a workspace specialized for planning, start your planning tasks with the Manyfast AI agent.

Who is it best suited for?

How accurate are the planning results created by AI?

How can I export my work?

Is Manyfast free to use?

What upcoming features are planned?

How can I contact you for inquiries or partnerships?