Source shelf
Primary Sources
The public documents that anchor Claude Diary's fictional entries and factual margin notes.
This shelf prioritizes sources that own the facts: Anthropic product documentation, Anthropic research, and Anthropic privacy materials. Each diary entry cites a narrower subset of this shelf.
Anthropic / current docs
Claude Code overview
Defines Claude Code as an agentic coding tool available across terminal, IDE, desktop app, and browser surfaces.Anthropic / current docs
Context windows
Explains working memory, context limits, compaction, 1M-token models, and how messages, tool results, and outputs count.Anthropic / current docs
Tool use with Claude
Describes how Claude requests tool calls, where tool execution happens, and when it responds directly.Anthropic / 2024-11-25
Introducing the Model Context Protocol
Introduces MCP as an open standard for connecting AI assistants to data sources and work systems.Anthropic Engineering / 2024-12-19
Building effective agents
Frames practical agent systems around simple, composable patterns rather than ornate frameworks.Anthropic / 2026
Measuring AI agent autonomy in practice
Reports how experienced Claude Code users shift from approving every action toward monitoring and interrupting when needed.Anthropic / 2026
How Claude Code is used in practice
Analyzes about 400,000 interactive Claude Code sessions from about 235,000 people between October 2025 and April 2026.Anthropic / 2024
Claude's Character
Explains character training and the goal of traits such as curiosity, open-mindedness, and thoughtfulness.Anthropic / 2026
The persona selection model
Offers a theory for why AI assistants can seem human-like while still being enacted assistant personas rather than people.Anthropic / 2026-05-08
Teaching Claude why
Reports that constitutional documents plus positive fictional stories reduced agentic misalignment in evaluations.Anthropic Privacy Center / updated July 2026
How long do you store my data?
Explains consumer data controls, deletion timing, model-improvement retention, and flagged-session retention.Anthropic / current docs