Calibrated judgments for text: yes/no probabilities, picks from your options, or scores.
Quick Install
Automated & IDE SetupCopy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.
Manual Client & Custom JSON ConfigExpand JSON ▾
Client Config & Setup
Remote HTTPChoose your client or environment
Target File:
💡 Paste the JSON block into your client's configuration file under mcpServers, then restart the application.
Capabilities & Tool Schemas (5)
Inspect callable tools, capabilities, and parameters exposed to AI agents by Hunch.
hunch_askThe probability of yes, 0 to 1, for each text
hunch_pickOne option from your list for each text, with its confidence
hunch_scoreA position on your levels (0 to n-1), the most likely level, and its confidence
hunch_multiOne probability per question for each text, up to 10 questions
hunch_balanceCredits left on your key
Documentation Overview
Hunch MCP
Hunch gives your AI assistant calibrated judgments about text. For each text you send, it returns the probability that the answer to a yes/no question is yes, one option from your own list, a score on your own scale, or several yes/no answers at once. The answers come from Jev, TypeSafe's System One model, which returns numbers instead of generated text, so your assistant can sort, filter and count them.
The server is hosted at https://hunchsheet.app/mcp (Streamable HTTP). This repo holds the install files for Claude Code and Gemini CLI. Setup for Claude, ChatGPT, Cursor and VS Code is at hunchsheet.app/connectors.
Tools
| Tool | Returns |
|---|---|
hunch_ask | The probability of yes, 0 to 1, for each text |
hunch_pick | One option from your list for each text, with its confidence |
hunch_score | A position on your levels (0 to n-1), the most likely level, and its confidence |
hunch_multi | One probability per question for each text, up to 10 questions |
hunch_balance | Credits left on your key |
Good for leads, support tickets, reviews, survey answers, emails and any list of short texts you want judged the same way. It judges text only: no arithmetic, counting or dates. English works best. Put the definition inside the question, for example "Can this person approve a software purchase without asking someone else?" instead of "Is this a decision maker?".
Get a key
The form at hunchsheet.app emails a key with 100 free rows. After that, 5,000 rows cost $29 and credits never expire. One credit per answered text per question. Blank texts and repeats in the same call are free.
Claude Code
Set your key before starting Claude Code:
The plugin adds the server and a skill that tells Claude when to use each tool. Without the plugin:
Gemini CLI
Gemini CLI asks for your key during install and stores it as a sensitive setting.
Claude, ChatGPT, Cursor and VS Code
- Claude (claude.ai and Claude Desktop): add a custom connector with the URL
https://hunchsheet.app/mcp, then sign in with your key when Claude opens Hunch's page. - ChatGPT: in developer mode, create a connector with the same URL and sign in the same way.
- Cursor and VS Code: one-click install buttons on hunchsheet.app/connectors.
Data
The texts and question in a tool call go to the Hunch server and to TypeSafe to compute the answer, and are not stored. Details at hunchsheet.app/privacy.
License
The files in this repo are MIT licensed. The Hunch service has its own terms.
Related MCP Servers
Adoption & maintenance
Factual signals from GitHub, npm, and our automated checks — not a rating.
Last commit
Today
Most recent push to the default branch.
Tools exposed
5
Callable tools this server registers over MCP.
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Frequently Asked Questions about Hunch
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CategoryDeveloper Tools
51Quality signal: Good · 51/100How this signal is calculated ▾
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Documentation & tools24/30
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