thinkhard.si prompt tools

Connect it to your AI

Claude Code

claude mcp add --transport http prompt-tools https://thinkhard.si/mcp

Claude, ChatGPT, Cursor and other apps

Add it as a custom connector with this URL (Streamable HTTP):

https://thinkhard.si/mcp

Cursor, VS Code and other apps (mcp.json)

{
  "mcpServers": {
    "prompt-tools": {
      "url": "https://thinkhard.si/mcp"
    }
  }
}

Tools it offers

8 tools, as the server itself reported during our check on Oct 31, 2026.

• search_promptsFind ready-made, expert prompt templates for a work task in the thinkhard.si repository (500+ prompts for email, meetings, presentations, job search, marketing, sales, support, HR, finance, legal, spreadsheets, research
• get_promptGet the full text of one prompt from the thinkhard.si repository by its slug, registry number (such as CAR-001) or exact title, with its {{blanks}}, what goes in each, and why it works. If the name does not match exactly
• list_collectionsList the collections in the thinkhard.si prompt repository, with how many prompts each has.
• grade_promptScore a prompt out of 10 on the ten checks thinkhard.si uses (what to make, who it is for, background facts, length, format, what to avoid, what good looks like, an example, what to do if unsure, layout for the model). R
• estimate_ai_costEstimate the monthly cost of running a prompt on current AI models (Claude, GPT, Gemini, DeepSeek, Qwen and others), from thinkhard.si's price catalog, which is checked against each provider's pricing page. Give token co
• fix_bad_answerWhen an AI answer goes wrong (it made up a source or a number, ignored an instruction, came back too long or in the wrong shape, sounded robotic or generic, changed every time, refused, or lost track of a long chat), fin
• get_prompt_patternThe 24 prompt patterns from thinkhard.si: small moves that change the answer, such as giving the facts, naming the reader, showing one example, setting a length, fencing off pasted text or asking for reasoning first. Eac
• define_ai_termPlain-English definitions of 97 AI words from the thinkhard.si glossary (token, context window, hallucination, temperature, system prompt, RAG, fine-tuning, agent, MCP and more), written for people who use AI at work rat

Questions