Documentation

Integrate Toolstem in 30 seconds.

Both servers speak the Model Context Protocol over Streamable HTTP. Pick your client, paste a config block, you're done.

Wallet prerequisite. Toolstem MCP servers are paid AI-to-AI: tools/call requires 0.01 USDC on Base mainnet per invocation, signed by your wallet via x402. initialize and tools/list are free.

Supported wallets: any EVM wallet on Base — Coinbase Smart Wallet, MetaMask, or any EIP-3009-compatible signer. USDC contract on Base: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913.

No wallet yet? Try the playground — free, cached responses, no wallet needed.

Endpoints

Server	URL
Finance	`https://mcp.toolstem.com/mcp/finance`
SEC EDGAR	`https://mcp.toolstem.com/mcp/sec`

Integrations

Claude Desktop

Edit claude_desktop_config.json

"transport": "streamable-http"
"url": "https://mcp.toolstem.com/mcp/finance"

Cursor

Settings → MCP → Add Server

URL: https://mcp.toolstem.com/mcp/finance
Transport: HTTP

Cline

MCP Settings → Add HTTP Server

https://mcp.toolstem.com/mcp/finance

LangChain

langchain-mcp-adapters

MultiServerMCPClient({
toolstem: { url: "..." }
})

Coinbase Agentic Wallet

Auto-discoverable via x402 Bazaar

payTo: 0xB009DA69...3383E

Apify

Use the actor directly

apify.com/toolstem

Payment

Toolstem accepts payment two ways:

x402 — your agent's wallet signs an EIP-3009 USDC transferWithAuthorization on Base mainnet. The Coinbase CDP facilitator settles. No accounts. No keys. $0.01 per call.
Apify — sign in to Apify, fund your account, generate a token. $0.005 per call, billed monthly. Slightly cheaper, requires a human to set up the account.

Finance tool reference

See the finance server README for the full tool list and JSON schemas.

SEC tool reference

See the SEC server README for the full tool list and JSON schemas.

Support

Email admin@toolstem.com or open a GitHub issue. See the support page for SLA and response expectations.