Web3 and blockchain for Codex

4,229 mods tagged Web3 and blockchain that install into Codex, 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 Codex: anthropic · Git and workflow · Python · React · TypeScript · Go · openai · android · docker · Rust · bun · Localization

OpenCoven/coven

Skill Claude CodeCodex

Skill "ritual-dapp-frontend" from OpenCoven/coven, covering ritual dapp frontend skill, when to use, tech stack, quick start pattern and 1. setup chain & providers.

not rated 75 +2 yesterday A SkillSpector: warn 0 tokens original MIT

ai-bounty-claim

74

aelf-hzz780/AI-bounty-skill

Skill Claude CodeCodex

Use when claiming the AI bounty on the tDVV mainnet sidechain. This public claim skill now supports Portkey AA/CA only, requires CA sync and holder preflight before any write, and routes to AA/CA onboarding, AA/CA claim, or diagnostics-only stop handling.

not rated 69 7mo ago A 65 tokens

aster-deposit-fund

75

asterdex/aster-skills-hub

Skill Claude CodeCodex

Deposit funds to Aster from a wallet; private key from env. Use when the user wants to deposit to Aster or fund an Aster account.

not rated 69 6mo ago A 37 tokens

bnbchain-mcp

77

bnb-chain/bnbchain-skills

Skill Claude CodeCodex

BNB Chain MCP server connection and tool usage. Covers npx @bnb-chain/mcp@latest, PRIVATEKEY and RPC, and every MCP tool — blocks, transactions, contracts, ERC20/NFT transfers, wallet, ERC-8004 agent registration, Greenfield. Use when connecting to bnbchain-mcp, querying or transacting on BNB Chain/opBNB/EVM…

not rated 65 11d ago A 97 tokens original MIT

solana-scanner

78

0x-Shashi/WEB3-AUDIT-SKILLS

Skill Claude CodeCodex

Use when auditing Solana programs for security vulnerabilities, reviewing Anchor or Pinocchio/native Rust smart contracts, checking CPI safety, PDA validation, account ownership, signer verification, or Token-2022 security.

not rated 62 8mo ago A 41 tokens

instancez

79

instancez/instancez

Skill Claude CodeCodex

Use when building, changing, or deploying an instancez backend - editing instancez.yaml (tables, RLS, auth, storage, rpc, functions), running the inz CLI, or debugging why a query is denied. instancez is a single-binary Supabase-compatible backend defined by one YAML file.

not rated 62 +3 changed 2d ago C 64 tokens original Apache-2.0

technocore-adapter

80

d4ncboz/technocore

Skill Claude CodeCodex

Comprehensive Autonomous Agent Skill for Technocore and Flop Labs ($FLOP) Ecosystem. Provides deterministic Ed25519 identity generation (did:key:z6Mk...), KV durable note registration, tamper-evident signed message broadcast, and cryptographic proof-of-contribution generation.

not rated 60 2mo ago A 64 tokens original MIT

zerocoolailabs/ZeroSkills

Skill Claude CodeCodex

Review Uniswap v4 hooks and integrations for permission-bit, callback-authentication, pool-identity, custom-accounting, delta, settlement, dynamic-fee, JIT-liquidity, shared-custody, and liveness bugs. Use when a Solidity system implements IHooks or BaseHook, returns hook deltas, or relies on a v4 hook for pricing…

not rated 60 2mo ago A 90 tokens

sdp-tokenization

82

solana-foundation/solana-developer-platform

Skill Codex

Explain, plan, and prototype tokenization workflows on Solana Developer Platform using the supported public docs and API surface. Use when a consumer wants to issue a stablecoin, tokenized security, loyalty token, or other asset with SDP.

not rated 58 today A SkillSpector: pass 52 tokens original

join-buyer

83

AntSeed/antseed

Skill Claude CodeCodex

Help the user set up Antseed buyer node to consume AI services from the peer-to-peer network. Walk them through installation, funding, and connecting their existing tools (Aider, Continue.dev, Cursor, or any OpenAI-compatible client) through the local proxy.

not rated 57 changed 1mo ago A 0 tokens GPL-3.0

crypto-risk

84

zubair-trabzada/ai-crypto-claude

Skill Claude CodeCodex

Risk Assessment & Position Sizing — analyzes volatility, drawdown, correlation, liquidity, smart contract, regulatory, concentration, and unlock risks with crypto-specific position sizing calculators and a composite Risk Score (0-100, higher = safer).

not rated 57 6mo ago A 50 tokens original MIT

rust-audit-prep

85

CDSecurity/cdsecurity-skills

Skill Claude CodeCodex

Prepare Solana/Rust projects for a security audit — test coverage analysis, Rust doc-comment checks, code hygiene sweeps, dependency health verification, compute-unit optimization tips, and best-practice enforcement. Supports both Anchor-based and native solanaprogram Rust programs. Generates a scored Audit Readiness…

not rated 55 7mo ago A 181 tokens original MIT

claw-wallet

86

janespace-ai/claw-wallet

Skill Claude CodeCodex

Manage a Web3 wallet through natural language — check balances, send tokens, manage contacts and security policies. Use when the user asks about their wallet, crypto balances, sending tokens, or managing contacts.

not rated 54 6mo ago A 44 tokens original MIT

opensea-api

87

ProjectOpenSea/opensea-skill

Skill Claude CodeCodex

Query OpenSea marketplace data via the official CLI, SDK, MCP server, or shell scripts. Get floor prices, collection stats, NFT details, token data, trending collections, drops, events, search, favorites, profile and collection settings, and other wallet-scoped operations. For trading use opensea-marketplace, for…

not rated 53 changed 1mo ago A 79 tokens original MIT

defi-native

88

emlai/defi-native-skill

Skill Claude CodeCodex

Makes an agent crypto-native for onchain capital markets. Use for ANY question about DeFi, vaults, curators, yield, stablecoins, synthetic dollars, RWAs (real world assets), tokenized stocks, lending, perps, options, LP positions, token launchpads, bonding curves, or onchain credit. Trigger for learning ("what is a…

not rated 51 changed 2mo ago A 228 tokens original MIT

gate/gate-skills

Skill Claude CodeCodex

Address tracker and analysis. Use this skill whenever the user provides an on-chain address or asks to track or query an address. Trigger phrases include: track this address, who owns this address, fund flow, check address. MCP tools: infoonchaingetaddressinfo, infoonchaingetaddresstransactions…

not rated 50 +2 yesterday A 76 tokens

attack-tx-analysis

90

BradMoonUESTC/TxAnalyzer

Skill Claude CodeCodex

Analyze blockchain attack transactions end-to-end: pull chain-specific artifacts first (EVM: traces, contract source, opcodes, selectors; Solana: transaction/meta payloads, instructions, logs, accounts, invoked program metadata), then perform the full EVM-oriented 6-phase root cause analysis with deep trust boundary…

not rated 49 6mo ago C 130 tokens GPL-3.0

web3-dev

91

blockscout/agent-skills

Skill Claude CodeCodex

Build web3 applications, scripts, CLIs, bots, mobile apps, and desktop apps that need blockchain data via the Blockscout PRO API — a single HTTP API spanning 100+ EVM chains. Invoke this skill whenever the user wants to read blockchain data over HTTP (transactions, blocks, addresses, tokens, NFTs, logs, contract…

not rated 49 4mo ago A 212 tokens original MIT

sandover/ergo

Skill Claude CodeCodex

Shape a workstream into tasks, organize tasks into epics, express dependencies among tasks. Use for planning medium and large workstreams; skip for small tasks and routine housekeeping.

not rated 46 +1 changed 14d ago A SkillSpector: warn 42 tokens original MIT

agentek-cli

93

NaniDAO/agentek

Skill Claude CodeCodex

Invoke any of 150+ blockchain and data tools from the shell using the agentek CLI. Use this skill when the user wants to query blockchain data, check token balances, resolve ENS names, get gas prices, fetch DeFi yields, search tweets, or interact with any on-chain protocol across EVM chains (Ethereum, Base, Arbitrum…

not rated 45 +1 15d ago A 80 tokens AGPL-3.0

gate-dex

94

gate/gate-mcp

MCP server Claude CodeCodexCursor +2

One of 5 in server.json

Gate DEX MCP for wallet auth, transfers, swaps, token info, market data, and RPC access. Remote server at api.gatemcp.ai.

not rated 45 +1 2d ago A tokens not measured original MIT

demo112/yunqu-ai-skills

Skill Claude CodeCodex

Build AI-powered agents for Solana blockchain — trading bots, DeFi strategies, token analysis, and on-chain automation with TypeScript.

not rated 45 +14 5mo ago A 32 tokens original MIT

GoPlausible/algorand-mcp

Skill Claude CodeCodex

Interact with Algorand blockchain via the Algorand MCP server — wallet operations, ALGO/ASA transactions, smart contracts, account info, NFD lookups, atomic groups, Tinyman swaps, Haystack Router best-price swaps, Alpha Arcade prediction markets, Pera asset verification, TEAL compilation, knowledge base. Use when user…

not rated 44 3mo ago A SkillSpector: pass 127 tokens original MIT

At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: