BondScan MCP Server

What this is

MCP (Model Context Protocol) is an open protocol that lets AI assistants such as Claude query external data sources through one interface. Our server gives such assistants access to BondScan's public bond and stock catalog, no account required.

Available tools

• screen_bonds: screen bonds and stocks by yield and risk
• project_income: project coupon income for a hypothetical holding
• compare_instruments: compare 2 to 5 bonds and/or stocks
• get_instrument_detail: full public detail for one instrument
• get_cbr_key_rate: the Central Bank of Russia's current key rate

How to connect

Add the server to your MCP client's configuration (for example, Claude Desktop), with the URL and an authorization header:

{
  "mcpServers": {
    "bondscan": {
      "url": "https://bondscan.ru/mcp",
      "headers": {
        "Authorization": "Bearer YOUR_KEY"
      }
    }
  }
}

Replace YOUR_KEY with the key you receive by email below.

Get a free key

Enter your email, we will send a key once. The server is free, with a per-minute rate limit.

Other integrations

For other integration scenarios, see the API for partners page.

FAQ

Do I need a BondScan account?

No. The key is issued by email, no BondScan registration required.

Is it free?

Yes, the server is free, with a reasonable per-minute rate limit per key.

What data can the assistant see?

Only BondScan's public bond and stock catalog, the same data shown on the site. Your personal portfolio and other authenticated data are not reachable through this server.