MCP server

thinkhard.si prompt tools Official

si.thinkhard/prompt-tools

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Search 300+ expert prompt templates for work, grade a prompt out of 10, and price AI models.

Working at last checkVerified publisher: thinkhard.siAbout 1,171 tokens per request once connected5 tools

https://thinkhard.si/mcp

At a glance

Type: MCP server
Publisher: thinkhard.si (verified by the MCP Registry)
Status: Working at last check
Tools: 5
Token cost: About 1,171 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

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

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.prompt-tools]
url = "https://thinkhard.si/mcp"

Gemini CLI

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

Cursor

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

VS Code

{"servers":{"prompt-tools":{"type":"http","url":"https://thinkhard.si/mcp"}}}

Antigravity

agy mcp add prompt-tools https://thinkhard.si/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"prompt-tools","server_url":"https://thinkhard.si/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"prompt-tools","server_url":"https://thinkhard.si/mcp"}

estimate_ai_cost ~269 tokens
Estimate 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 counts, or paste the prompt text to estimate them.
get_prompt ~225 tokens
Get 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, it answers with the closest matches instead. Pass values to fill blanks with t
grade_prompt ~245 tokens
Score 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). Returns which checks pass and a plain question for each one that fails. Rule-base
list_collections ~53 tokens
List the collections in the thinkhard.si prompt repository, with how many prompts each has.
search_prompts ~379 tokens
Find ready-made, expert prompt templates for a work task in the thinkhard.si repository (300+ prompts for email, meetings, presentations, job search, marketing, sales, support, HR, finance, legal, spreadsheets, research and more). Use it whenever the user wants to write, plan, summarize, analyze or

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