BeliefState

Official registry Search and web

Stock research and investor research for trading agents. 16 x402 tools; data from 0.02 USDC on Base.

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code
claude mcp add --transport http beliefstate 'https://beliefstate.ai/v1/research/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code)
{
    "mcpServers": {
        "beliefstate": {
            "type": "http",
            "url": "https://beliefstate.ai/v1/research/mcp"
        }
    }
}
Remote (streamable-http)
Claude Code
claude mcp add --transport http beliefstate 'https://beliefstate.ai/mcp' --header 'Authorization: <BeliefState account API key. Research uses your account allowance or prepaid credit.>'
JSON configuration (Claude Desktop, Cursor, VS Code)
{
    "mcpServers": {
        "beliefstate": {
            "type": "http",
            "url": "https://beliefstate.ai/mcp",
            "headers": {
                "Authorization": "<BeliefState account API key. Research uses your account allowance or prepaid credit.>"
            }
        }
    }
}

Frequently asked questions

What is BeliefState?

Stock research and investor research for trading agents. 16 x402 tools; data from 0.02 USDC on Base.

How do I install BeliefState?

It runs as a remote server. In Claude Code: claude mcp add --transport http beliefstate 'https://beliefstate.ai/v1/research/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does BeliefState need an API key?

Yes. It expects Authorization, which you set in its configuration.

Who maintains BeliefState?

It is published by ai.beliefstate. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.