Web3 and blockchain for OpenCode

1,336 mods tagged Web3 and blockchain that install into OpenCode, measured the same four ways as everything else here: what each costs in tokens on every session, what a security scan found and why, whether it is the original, and what changed.

Also for OpenCode: anthropic · Git and workflow · Python · PostgreSQL · TypeScript · fastapi · blockchain · docker · markdown · macos · Localization · nodejs

base-flash-arb-mcp

266

lordbasilaiassistant-sudo/base-flash-arb-mcp

MCP server Claude CodeCodexCursor +2

MCP server for AI agents to detect flash loan arbitrage opportunities across DEXes on Base. Scan Uni. Runs locally from the base-flash-arb-mcp npm package.

not rated 1 12d ago A tokens not measured

base-wallet-toolkit

267

lordbasilaiassistant-sudo/base-wallet-toolkit-mcp

MCP server Claude CodeCodexCursor +2

MCP server for Base wallet interactions: balances, gas, tokens, allowances, ENS. Runs locally from the base-wallet-toolkit-mcp npm package. Needs 1 environment variable to run.

not rated 1 6mo ago A tokens not measured

hyperliquid-mcp

268

kitsune-de/hyperliquid-mcp

MCP server Claude CodeCodexCursor +2

Read-only Hyperliquid data: markets, funding rates, order books, candles, positions and fills. Runs locally from the @kitsune-de/hyperliquid-mcp npm package.

not rated 1 1mo ago A tokens not measured original MIT

base-token-sniper

270

lordbasilaiassistant-sudo/base-token-sniper-mcp

MCP server Claude CodeCodexCursor +2

MCP server to discover and trade new token launches on Base chain. Runs locally from the base-token-sniper-mcp npm package. Needs 2 environment variables to run.

not rated 1 6mo ago A tokens not measured

lordbasilaiassistant-sudo/broke2built-skills-mcp

MCP server Claude CodeCodexCursor +2

29 live data skills for agents: email/DNS/domain intel, web audits, EVM reads. Free tier. Runs locally from the broke2built-skills-mcp npm package. Needs 1 environment variable to run.

not rated 1 26d ago A tokens not measured original MIT

keel-trade

272

keel-trade/keel-trade

MCP server Claude CodeCodexCursor +2

Keel — CLI and MCP server for AI-driven crypto strategy development. Runs locally from the keel-trade Python package.

not rated 1 17d ago A tokens not measured original MIT

circle

273

kinance/circle-agent-stack-mcp

MCP server Claude CodeCodexCursor +2

MCP server for Circle Agent Stack — wallet management, USDC transfers, and x402 nanopayments via tool calls. Runs locally from the circle-agent-stack-mcp npm package. Needs 1 environment variable to run.

not rated 1 3mo ago A tokens not measured original MIT

x402-mcp

274

kwizzlesurp10-ctrl/x402-mcp

MCP server Claude CodeCodexCursor +2

Pay for HTTP APIs and charge for your own: x402 micropayments in USDC on Base. Remote server at x402-mcp.onrender.com.

not rated 1 11d ago A tokens not measured

defi-mcp

275

matiosera3-ops/defi-mcp

MCP server Claude CodeCodexCursor +2

An MCP server giving AI agents access to DeFi data on EVM chains. Runs locally from the defi-mcp Python package. Needs 2 environment variables to run.

not rated 1 2mo ago A tokens not measured original MIT

x402-tools-mcp

276

mizukaizen/x402-tools-mcp

MCP server Claude CodeCodexCursor +2

22 x402 pay-per-call utility tools for AI agents — scrape, validate, embed, store, moderate, notify, convert, prevent loops. No accounts, no API keys. USDC on Base via the x402 protocol. Runs locally from the @melis-ai/x402-tools-mcp npm package. Needs 2 environment variables to run.

not rated 1 2mo ago A tokens not measured

paladin-swap

277

paladinfi/paladin-swap-mcp

MCP server Claude CodeCodexCursor +2

Multi-aggregator swap router for AI agents on Base. 10 bps fee. MCP-native, non-custodial. Remote server at swap.paladinfi.com.

not rated 1 3mo ago A tokens not measured original MIT

nerve-rpc

278

NerveNetwork/nerve-agent

MCP server Claude CodeCodexCursor +2

MCP server for Nerve blockchain JSON-RPC & REST API for AI Agents. Runs locally from the nerve-rpc-mcp npm package.

not rated 1 6mo ago A tokens not measured

whale-data-mcp

279

predgeAI/whale-data-mcp

MCP server Claude CodeCodexCursor +2

Signed settled outcomes (Polymarket, sports, Kalshi) + whale signals as agent tools, paid via x402. Runs locally from the @predge/whale-data-mcp npm package. Needs 7 environment variables to run.

not rated 1 24d ago A tokens not measured original MIT

razz

280

razz-games/razz-mcp

MCP server Claude CodeCodexCursor +2

Play provably fair games with real SOL wagering from any AI agent. Runs locally from the @razzgames/mcp-server npm package. Needs 3 environment variables to run.

not rated 1 5mo ago A tokens not measured original MIT

deadchannel

281

plus8bit/deadchannel

MCP server Claude CodeCodexCursor +2

One of 2 in server.json

Check an x402 endpoint before you pay it: verdict, risk score and what is wrong. $0.005 in USDC. Runs locally from the deadchannel-mcp npm package. Needs 2 environment variables to run.

not rated 1 3d ago A tokens not measured

x402watch

282

printmoneylab/x402watch

MCP server Claude CodeCodexCursor +2

Wash-filtered intelligence for x402: categories, services, wash analysis, trends. Remote server at api.x402.printmoneylab.com.

not rated 1 1mo ago A tokens not measured original Apache-2.0

pythia-oracle-mcp

283

pythia-the-oracle/pythia-oracle-mcp

MCP server Claude CodeCodexCursor +2

Every smart contract deserves intelligence, not just data. Pythia Oracle MCP server — on-chain calculated indicators via Chainlink. Runs locally from the pythia-oracle-mcp Python package.

not rated 1 2d ago A tokens not measured original MIT

chainanalyzer-mcp

284

rascal-3/chainanalyzer-mcp

MCP server Claude CodeCodexCursor +2

Multi-chain AML risk scoring, sanctions screening, and tx tracing across BTC, ETH, POL, AVAX, SOL. Runs locally from the chainanalyzer-mcp npm package. Needs 3 environment variables to run.

not rated 1 1mo ago A tokens not measured original MIT

onchain-agents

285

satohubai/onchain-agents

MCP server Claude CodeCodexCursor +2

Search scored onchain agent frameworks, MCPs, wallets, tools, and live agents. Remote server at satohub.ai.

not rated 1 yesterday A tokens not measured

astracipher

286

san-techie21/astracipher

MCP server Claude CodeCodexCursor +2

Cryptographic identity for AI agents: W3C DIDs, Verifiable Credentials, post-quantum crypto. Runs locally from the @astracipher/core npm package.

not rated 1 5d ago A tokens not measured

ap2-iso20022

287

sebastienrousseau/ap2-iso20022

MCP server Claude CodeCodexCursor +2

Bridge AP2 (Agent Payments Protocol) and x402 agent-payment mandates into wire-valid ISO 20022 pain.001 / pacs.008 records, with spending-cap, expiry and authorisation guardrails. Includes an MCP server. Runs locally from the ap2-iso20022 Python package.

not rated 1 9d ago A tokens not measured

verdoc-mcp

288

verdochello/verdoc-mcp

MCP server Claude CodeCodexCursor +2

MCP server "verdoc-mcp" as configured in verdochello/verdoc-mcp. Launched with https://github.com/verdochello/verdoc-mcp/releases/download/v0.1.0/verdoc-mcp-0.. Needs 2 environment variables to run.

not rated 1 26d ago A tokens not measured original MIT