The bookmark manager
that deletes what you never read
94% of bookmarks are never reopened. Burn 451 is the AI bookmark and read-later app that gives every link 24 hours — read it or it burns. What survives becomes a permanent knowledge base, queryable by Claude, Cursor, and any MCP-compatible AI agent.
Why Burn 451
Not another bookmark organizer. A bookmark autopsy.
Deadline-driven
Every link gets 24 hours. Decide or lose it.
MCP tools
Claude, Cursor, and Windsurf can query your vault.
Free forever
No trial. No premium tier. No ads. No catch.
Featured Vaults
Curated reading libraries for people you should be reading — auto-synced, AI-summarized, organized by topic.
Agent Harnesses
31 pieces · Coding Agent Infrastructure
Agent Memory Patterns
18 pieces · MemGPT · Letta · Zep · LangGraph · MemOS
Andrej Karpathy
37 pieces · AI Agents
Cal Newport
26 pieces · Deep Work · Slow Productivity
Context Engineering
20 pieces · Prompts · MCP · Agent Context
Demis Hassabis
31 pieces · AGI · AlphaFold · Scientific Discovery
François Chollet
28 pieces · AGI Evaluation & ARC-AGI
Lenny Rachitsky
3 pieces · Product & Growth
Lilian Weng
10 pieces · AI Safety · Post-training · LLM Internals
Naval Ravikant
22 pieces · Wealth & Wisdom
Paul Graham
30 pieces · Startups & Essays
Personal Knowledge Management Tools
10 pieces · PKM Tools & Read-Later Apps
Pieter Levels
8 pieces · Indie Hacking
Sam Altman
26 pieces · AGI · OpenAI Strategy · The Intelligence Age
Simon Willison
20 pieces · LLM Blog
Swyx (Shawn Wang)
8 pieces · AI Engineering
Tiago Forte
25 pieces · Second Brain & PKM
Vibe Coding
16 pieces · Post-Code AI Era
Yann LeCun
22 pieces · AI Skepticism · World Models · Beyond Transformers
How it Works
Three stages. One rule: decide or lose it.
New link saved. You have 24 hours to open it or it burns.
Frequently asked questions
What is Burn 451?+
Burn 451 is a read-later app built around a 24-hour burn timer that forces daily triage. Every saved article must be read, vaulted for permanent keeping, or released within 24 hours. It is a content digestion system for people who save more than they read, with AI digest, MCP server, and CLI for developer workflows.
How is Burn 451 different from Pocket?+
Pocket was a passive storage system where articles piled up indefinitely. Burn 451 is a forced-decision system where every saved article demands action within 24 hours. Burn also ships AI triage, an MCP server for Claude and Cursor, and a CLI — capabilities Pocket never offered before Mozilla shut it down in July 2025.
Is Burn 451 free?+
Yes. Burn 451 is free during the current phase — the 24-hour timer, AI digest, MCP server, CLI, and Vaults are all available at no cost. There are no ads and no data selling. A paid Pro tier may be introduced later as the product matures, but the core reading flow will remain free.
What does the 24-hour timer do?+
Every article you save enters the Flame zone with a 24-hour countdown. Before it burns, you choose: open it and it moves to Spark with 30 more days, vault it permanently, or let it burn to Ash. The timer solves the core hoarding problem — 94% of traditional bookmarks are never reopened.
Does Burn 451 have an API or MCP server?+
Yes. Burn 451 ships a REST API, a CLI, and a 26-tool MCP (Model Context Protocol) server on npm as burn-mcp-server. This lets Claude, Cursor, and other MCP-compatible AI tools query your saved articles as live context while you work. It is currently the only read-later app with native MCP support.
Can I connect Burn 451 to Claude or Cursor?+
Yes. Install burn-mcp-server from npm, connect it to Claude Code, Cursor, or any MCP-compatible client, and your saved articles become searchable tools the AI can call. Ask What did I save about vector databases? and get answers sourced from your own reading history, with summaries and direct links to originals.
What are Burn 451's editorial Vaults?+
Vaults are hand-curated reading lists for AI thought leaders and operators — Karpathy, Simon Willison, Paul Graham, Naval Ravikant, Lenny Rachitsky, Swyx, Pieter Levels, and Tiago Forte. Each Vault organizes essays, posts, and transcripts by topic with AI summaries, auto-syncing as new content from that author is published.