📖 The AI Tool Bible

prompting

Prompt Engineering

The practice of shaping the input to an LLM — instructions, examples, format constraints — to elicit reliable output.

Related terms

Chain of Thought (CoT)Few-shot Learning Zero-shot Learning

Tools that implement Prompt Engineering

Claude Code

Coding · Claude (Opus / Sonnet / Haiku)

Anthropic's agentic coding tool that reads, edits, and ships code from the terminal, IDE, or web.

Freemium· Free: $0 · Pro: $20 · Max 5x: $100 · Max 20x: $100 · Standard seat: $20agentic-codingcodebase-refactor

Humanloop

Evaluation · Platform (any LLM)

Prompt management + evals for collaborative AI teams.

Paid· From $200/mo teamprompt managementteam collab

PromptLayer

Evaluation · Platform (any LLM)

Lightweight prompt logging + management for OpenAI/Claude apps.

Freemium· Free: $0 · Pro: $49 · Team: $500 · Enterprise: Customprompt loggingversioning

Cursor

Coding · Claude / GPT (configurable)

AI-first VS Code fork — chat, edit, and agentic coding in one IDE.

Freemium· Hobby: Free · Individual: $20 / mo. · Teams: $40 / user / mo. · Enterprise: Customcodingrefactors