Claude
by Anthropic
Claude is Anthropic's AI assistant. People lean on it for writing, analysis of long documents, and software development, and it is widely used through its API to build agents.
- Long documents and careful writing
- Coding and code review
- Building agents with tools
Check the vendor's own site for current plans, pricing and limits. Those change often.
Guides
Getting Started with Claude: A Beginner's Walkthrough
How to start using Claude from Anthropic, what its main features are for, and a few first tasks to try, with tips for getting the best answers.
5 min read
Claude API Basics - Keys, a First Request, Streaming and Errors
Make your first call to the Claude API safely: get a key, keep it out of your code, send a request, stream the reply and handle errors.
7 min read
Prompts
Agent System Prompt Reviewer
Reviewing the prompt together with the tool list exposes mismatches between what the agent is told and what it can do.
agents
Claude Project Instructions Starter
Project instructions work best when they explain how to treat uploaded material, including what to do when the answer is missing.
productivity
Codebase Onboarding Guide
Tracing one concrete flow teaches architecture better than a list of folders.
coding
Compare Several Documents
Extracting quotes before drawing conclusions grounds the answer in the text and cuts down on invented details.
analysis
Contract Summary for Non-Lawyers
Asking for section references lets you verify each point against the source, which is the main safeguard with long documents.
analysis
Incident Timeline From Mixed Sources
Merging sources into one sorted timeline is a task long-context assistants handle well, and the timestamp confidence column keeps you alert to sloppy data.
it-ops
Refactor for Readability Without Changing Behavior
The behavior-preservation constraint prevents hidden rewrites.
coding
Research Literature Synthesis
Keeping outside knowledge in a separate list prevents blending your sources with unverified memory.
research
Structured Prompt With Tagged Sections
Tagged sections keep different kinds of information clearly separated, which helps most assistants avoid mixing instructions with source text.
productivity
Tough but Fair Editor Feedback
A fixed order of feedback stops a vague "looks good".
writing
Transcript to Meeting Minutes
Quoting decisions and refusing to invent owners or dates keeps minutes trustworthy.
productivity
Questions & answers
Agent templates
Claude Contract and Policy Comparer with Quoted Citations
Compares two long documents clause by clause and backs every difference with a short quoted passage from each, flagging what it could not find.
4 min read
Claude Knowledge-Base Answerer That Refuses to Guess
A project-style agent that answers only from your uploaded documents, cites the source passage and says "not in the documents" when it cannot find an answer.
3 min read
Documentation Writer from Code
Reads code and writes accurate README, usage and API documentation, flagging anything it cannot confirm from the code itself.
4 min read
Proposal and Statement of Work Writer
Turns discovery notes into a clear proposal or statement of work with scope, deliverables, assumptions and exclusions, ready for human review.
4 min read
Runbook Builder
Converts messy admin notes or a described procedure into a clear step-by-step runbook with prerequisites, verification and rollback.
3 min read