PreReason — Claude Code MCP server: features, setup
PreReason gives AI agents market context across rates, bonds, FX, commodities, companies and Bitcoin. Use it when answers need dated figures and sources.
claude mcp add --transport http mcp https://api.prereason.com/api/mcpWhat PreReason does
PreReason connects an agent to financial briefings through MCP. A get_context call returns prepared market context, including trend direction, changes across several periods, historical positioning, dates and sources. Coverage includes macro data, bonds, currencies, commodities, Bitcoin, Ethereum and listed companies.
The server can provide material on Fed decisions, Treasury yields, inflation expectations, commodity inventories and other metrics. It describes what the data shows rather than recommending trades. The local bridge requires Node.js 18+, while briefings require a PreReason account or an API key.
What it helps with
- retrieve context on rates and bonds
- compare a metric with its own history
- inspect a currency or commodity trend
- prepare a brief on a listed company
- trace a market figure to its date and source
Example prompts for the agent
- List the available PreReason briefings and choose one for Treasury yields.
- Call
get_contextfor rates, currencies and Bitcoin, then explain the direction of change. - Prepare a dated company briefing and include the sources for its figures.
How to install PreReason
1Platform CLI: remote server
claude mcp add --transport http mcp https://api.prereason.com/api/mcp2Platform CLI
claude mcp add --env PREREASON_API_KEY=<PREREASON_API_KEY> --env PREREASON_CLIENT=<PREREASON_CLIENT> --transport stdio prereason -- npx -y @prereason/mcpReplace <…> with your own values
1Platform CLI: remote server
codex mcp add prereason --url https://api.prereason.com/api/mcp2Platform CLI
codex mcp add prereason --env PREREASON_API_KEY=<PREREASON_API_KEY> --env PREREASON_CLIENT=<PREREASON_CLIENT> -- npx -y @prereason/mcpReplace <…> with your own values
Config file
{
"mcpServers": {
"prereason": {
"url": "https://api.prereason.com/api/mcp"
}
}
}{
"mcpServers": {
"prereason": {
"command": "npx",
"args": [
"-y",
"@prereason/mcp"
],
"env": {
"PREREASON_API_KEY": "<PREREASON_API_KEY>",
"PREREASON_CLIENT": "<PREREASON_CLIENT>"
}
}
}
}Replace <…> with your own values
Config file
{
"servers": {
"prereason": {
"type": "http",
"url": "https://api.prereason.com/api/mcp"
}
}
}{
"servers": {
"prereason": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@prereason/mcp"
],
"env": {
"PREREASON_API_KEY": "<PREREASON_API_KEY>",
"PREREASON_CLIENT": "<PREREASON_CLIENT>"
}
}
}
}Replace <…> with your own values
1Platform CLI: remote server
gemini mcp add -t http prereason https://api.prereason.com/api/mcp2Platform CLI
gemini mcp add -e PREREASON_API_KEY=<PREREASON_API_KEY> -e PREREASON_CLIENT=<PREREASON_CLIENT> prereason npx -y @prereason/mcpReplace <…> with your own values
Step by step, with commands for each platform: How to add an MCP server to Claude Code, Codex, Cursor, VS Code, Gemini CLI and more
Questions about PreReason
How do I install PreReason in Claude Code?
Run claude mcp add --transport http mcp https://api.prereason.com/api/mcp. This adds the remote MCP endpoint to Claude Code.
What does PreReason do?
It gives an AI agent financial briefings with market readings, trends, historical ranks, dates and sources. The service describes the data and does not tell users what to buy or sell.
What is required for PreReason briefings?
Briefings require a PreReason account signed in through the connector or an API key. Catalogue tools work without a key.
