CostInflation · in your AI
Bring price evidence
into your conversation.
Explore price history, compare your basket across cities, and get answers with links to the evidence.
Free, read-only access. No CostInflation account or API key needed.
01 · Connect
Choose your AI
Use CostInflation in ChatGPT
- Open the CostInflation plugin listing in ChatGPT and sign in if prompted.
- Review the plugin and install it in ChatGPT.
- Copy your question below, enable CostInflation in your conversation, and paste it when you’re ready.
Find CostInflation in ChatGPT
In ChatGPT, find CostInflation in the plugin directory. Review and install the plugin, then enable it in your conversation and paste your question.Connect CostInflation to Claude
- Open the connection link and sign in to Claude if prompted.
- Review the prefilled CostInflation name and server URL, then add the connector.
- Enable CostInflation in your conversation, then paste your question below.
Manual setup / connection link didn’t work?
In Claude, open Customize → Connectors → Add custom connector.
Name: CostInflation
Server URL: https://mcp.costinflation.com/mcp
Add the connector and enable it in your conversation.Add CostInflation to Cursor
- Open the installation link and allow your browser to open Cursor.
- Review and add the CostInflation remote server.
- Enable its tools in Agent, then open or paste your question below.
Manual setup / connection link didn’t work?
Add this to your Cursor MCP configuration, keeping any existing servers:
{
"mcpServers": {
"costinflation": {
"url": "https://mcp.costinflation.com/mcp"
}
}
}Connect with one Codex command
- Copy and run the command below in your terminal.
- Check that CostInflation appears in your Codex MCP settings; the app, CLI and IDE share configuration on the same machine.
- Open or paste your question below and approve tool use when prompted.
Setup to copy
codex mcp add costinflation --url https://mcp.costinflation.com/mcpConnect from Claude Code
- Run the command below for your current project.
- Use /mcp to check the connection and approve tools.
- Paste your question into Claude Code. Add --scope user to the command if you want the server available across projects.
Setup to copy
claude mcp add --transport http costinflation https://mcp.costinflation.com/mcpConnect in VS Code
- Run MCP: Add Server from the Command Palette and choose HTTP.
- Enter the server URL and the name costinflation; review the configuration and choose where to save it.
- Enable the server tools in chat and paste your question. For manual setup, merge the portable configuration below into a workspace-root .mcp.json, preserving existing servers.
Setup to copy
{
"mcpServers": {
"costinflation": {
"type": "http",
"url": "https://mcp.costinflation.com/mcp"
}
}
}Use any compatible remote MCP client
- Choose a remote Streamable HTTP server in your client’s MCP settings.
- Use the URL below and select no authentication. Review your client’s configuration format before merging settings.
- Enable CostInflation’s tools, then paste your question.
https://mcp.costinflation.com/mcp Your AI service may require its own account or administrator approval.
02 · Ask
Start with a useful question
Choose an example or write your own. Connect CostInflation first, then send the question in your AI.
Copy your question, then paste it into your ChatGPT conversation with CostInflation enabled.
From a price chart or basket, choose “Ask your AI” to bring your selections here. You can review the question before sharing it.
What can you do?
Follow prices over time
Explore a category’s available history, with its quantity, cities and actual dates attached.
Find a price history →Compare the same basket
Choose items and exact quantities, then compare complete baskets across supported cities.
Build a basket →Research with evidence
Get published price evidence and canonical citations you can inspect and use in your work.
Understand the measures →For agents & developers
Give your agent the guide.
Our price-data skill explains quantities, coverage, comparisons and citations. It works alongside the MCP connection.
Use published evidence under our terms. For commercial or bulk access, explore data partnerships.