The Librarian
Category: AI Agents
AI personal assistant designed to Master your Inbox, Control your Schedule, and Find what you Need The Librarian was founded in 2023. The company is led by Tiago Costa Alves. Based in Singapore; Seattle, United States. Team size: 10-50. Total funding raised: $2M. Latest round: Seed, $2M, November 2025, led by Golden Gate Ventures. Key investors include Golden Gate Ventures, Jeremy Stoppelman (Yelp CEO), Twenty Five Ventures.
- Founded
- 2023
- Headquarters
- Singapore; Seattle, United States
- Team size
- 10-50
- Total funding
- $2M
Value proposition
AI executive assistant that learns and remembers key facts, streamlines scheduling, manages follow-ups, and integrates seamlessly with communication tools like WhatsApp and Google Workspace
Products and solutions
WhatsApp AI Assistant, Gmail Integration, Google Calendar Integration, Google Drive Integration, Email Drafting and Summarization, Meeting Scheduling, Document Retrieval
Unique value
Deep WhatsApp integration as primary interface, voice-first design, contextual AI memory that retains user preferences across sessions, execution-focused approach rather than just information retrieval
Target customer
Busy professionals, startups, and businesses requiring productivity automation, particularly those using Google Workspace and WhatsApp
Industries served
Productivity Software, Professional Services, Real Estate, Insurance, Small Business, Enterprise SaaS
Technology advantage
Natural Language Processing with contextual awareness, seamless multi-platform integration (WhatsApp, Gmail, Calendar, Drive), voice commands in 80+ languages, privacy-focused architecture with AES-256 encryption
How they differentiate
The Librarian differentiates through deep WhatsApp integration as primary interface, execution-focused design for professional tasks, contextual memory that learns user preferences, and focus on completing tasks rather than just providing information
Main competitors
Raycast, Workflow, AppBlock, Siri, Alexa, Google Assistant
Key partnerships
Golden Gate Ventures (lead investor), Google Workspace integrations, WhatsApp Business API, Yelp (strategic angel investment from CEO)
Notable customers
Individual professionals, Real estate agents, Insurance professionals, Small business owners, University faculty (USF, NUS)
Major milestones
Founded in 2023, Raised $2M seed funding in November 2025 led by Golden Gate Ventures, Reached 25,000+ active users, Launched WhatsApp-integrated AI assistant, Featured on Product Hunt, SOC2 compliance anticipated for 2025
Growth metrics
25,000+ active users across US, Europe, and Singapore; topped Product Hunt rankings; experiencing surging demand according to investors
Market positioning
Positioned as a niche AI executive assistant specializing in productivity automation for professionals, leveraging WhatsApp as primary interface with focus on task completion rather than general AI assistance
Geographic focus
Primarily focused on North American and Southeast Asian markets, with headquarters in Singapore and Seattle
Patents and IP
No public patent information available - previous patent application number appears to be placeholder data
About Tiago Costa Alves
Fulbright Scholar with 20+ years of tech and startup experience, previously at HP and Aptoide, first-ever Entrepreneur In Residence for Golden Gate Ventures
Official website: https://thelibrarian.io