npm install openfigi-sdk

import { searchByISIN, searchByTicker, createClient } from 'openfigi-sdk'

// Search by ISIN
const response = await searchByISIN('US0378331005')

// Search by ticker
await searchByTicker('AAPL', 'US', { securityType2: 'Common Stock' })

// With API key for higher rate limits
const client = createClient({ apiKey: 'your-api-key' })
await client.searchByISIN('US0378331005')

npm install openfigi-mcp

{
  "mcpServers": {
    "openfigi": {
      "command": "npx",
      "args": ["openfigi-mcp@latest"],
      "env": {
        "OPENFIGI_API_KEY": "your-api-key-here"
      }
    }
  }
}

npm install ai @ai-sdk/mcp @ai-sdk/anthropic @modelcontextprotocol/sdk

import { createMCPClient } from '@ai-sdk/mcp'
import { StdioClientTransport } from '@modelcontextprotocol/sdk/client/stdio.js'
import { generateText } from 'ai'
import { anthropic } from '@ai-sdk/anthropic'

const mcpClient = await createMCPClient({
  transport: new StdioClientTransport({
    command: 'npx',
    args: ['openfigi-mcp'],
    env: { OPENFIGI_API_KEY: process.env.OPENFIGI_API_KEY }
  }),
})

const tools = await mcpClient.tools()

const { text } = await generateText({
  model: anthropic('claude-sonnet-4-20250514'),
  tools,
  maxSteps: 5,
  prompt: 'Find the FIGI for Apple Inc using ISIN US0378331005',
})

await mcpClient.close()

# Install dependencies
bun install

# Build all packages
bun run build

# Run all tests
bun run test

# Type check
bun run typecheck

# Lint
bun run lint