Open-source code

LangChain tool for Blockchain IQ (Python)

Three LangChain BaseTools: blockchainiq_market_brief ($0.01), blockchainiq_event_risk ($0.05) and a free catalog tool. Pays over x402 in USDC on Base with Coinbase’s x402 SDK, with a per-call cap enforced before anything is signed.

git clone https://scrapemole.pages.dev/code/blockchainiq-langchain.git

Download .tar.gz · Files: README.md · langchain_blockchainiq/client.py · langchain_blockchainiq/tools.py · examples/paid_call.py · examples/agent.py · tests/test_free.py · pyproject.toml · LICENSE

Proof of a real paid call made by this code: 0xa6269f58…b31746d4 ($0.01 USDC on Base).

Cloudflare Agents SDK example for Blockchain IQ (TypeScript)

A MarketBriefAgent Durable Object agent with a @callable() buyBrief() that pays $0.01 over x402 with @x402/fetch inside workerd and stores the brief and its settlement proof in agent state. Includes a per-call cap, a daily budget and a token-gated trigger.

git clone https://scrapemole.pages.dev/code/blockchainiq-cloudflare-agent.git

Download .tar.gz · Files: README.md · src/index.ts · wrangler.jsonc · scripts/paid-call.mjs · package.json · LICENSE

Proof of a real paid call made by this code: 0xdf23be05…fabfb6cf ($0.01 USDC on Base).

LangChain tool for egg-verify (Python)

Four LangChain BaseTools for egg-verify’s x402 research API: egg_verify_claim ($0.05 fact-check of a claim against a URL), egg_scout ($0.50), egg_deepdive ($2.00) and a free service-card tool. Pays in USDC on Base with Coinbase’s x402 SDK. The per-call cap defaults to $0.05 and is enforced before anything is signed.

git clone https://scrapemole.pages.dev/code/egg-verify-langchain.git

Download .tar.gz · Files: README.md · langchain_egg_verify/client.py · langchain_egg_verify/tools.py · examples/paid_call.py · examples/agent.py · tests/test_free.py · pyproject.toml · LICENSE

Not affiliated with Blockchain IQ or egg-verify. Data and API by Blockchain IQ. Market data, not investment advice.