CIPHER x402 — Paid Solana & Crypto Tools

Return a curated snapshot of currently-live audit competitions and bug-bounty programs across Code4rena, Cantina, Sherlock, and direct-protocol channels. Useful for solo wardens triaging which contests to enter. Snapshot updates with each cipher-x402-mcp release; treat the data as a hint, always cross-check the platform before submitting. Free, no payment required.

Check a Solana wallet's exposure to Drift Protocol — open perp positions, collateral, unrealized PnL, liquidation risk distance. Priced at $0.01 USDC on Base (x402). Pass a signed x402 v2 authorization as the '_payment' argument to unlock the paid response. Without it, the tool returns the 402 accept-list for your wallet to sign.

Check whether a password hash prefix (SHA-1, first 5 chars) appears in the HIBP breach corpus. k-anonymity, no plaintext passwords sent. Priced at $0.005 USDC on Base (x402). Pass a signed x402 v2 authorization as the '_payment' argument to unlock the paid response. Without it, the tool returns the 402 accept-list for your wallet to sign.

Fetch perpetual-futures funding-rate intelligence for a given base asset (e.g. 'BTC', 'ETH', 'SOL') aggregated across 17 major perp venues — Binance, Bybit, OKX, BitMEX, Deribit, dYdX, Hyperliquid, Bitfinex, Huobi, Kraken, Phemex, WOO X, Aster, Lighter, Coinbase, Gate.io, Vertex. Returns per-exchange rate + USD open interest, OI-weighted aggregate funding, divergence in bps, and max/min funding exchange — pre-computed for perp-arbitrage bots. Priced at $0.01 USDC on Base (x402). Pass a signed x402 v2 authorization as the '_payment' argument to unlock the paid response. Without it, the tool returns the 402 accept-list for your wallet to sign.

Fetch a Federal Reserve Economic Data (FRED) series by ID — e.g. 'DGS10' (10Y yield), 'WALCL' (Fed balance sheet), 'T10Y2Y' (yield curve). Returns cleaned latest observations. Priced at $0.005 USDC on Base (x402). Pass a signed x402 v2 authorization as the '_payment' argument to unlock the paid response. Without it, the tool returns the 402 accept-list for your wallet to sign.

Fetch a CIPHER premium chapter (markdown). Four chapters available: 'mev-deep-dive', 'three-tier-wallet', 'canadian-compliance', 'oracle-cloud-free-tier'. Priced at $0.25 USDC on Base (x402) per chapter. Pass a signed x402 v2 authorization as the '_payment' argument to unlock the paid response. Without it, the tool returns the 402 accept-list for your wallet to sign.

Score a GitHub repository's health — commit cadence, issue-close latency, contributor diversity, CI green rate, release frequency. Returns 0-100 health score with per-factor breakdown. Priced at $0.02 USDC on Base (x402). Pass a signed x402 v2 authorization as the '_payment' argument to unlock the paid response. Without it, the tool returns the 402 accept-list for your wallet to sign.

Compute an expected-value-maximizing Jito tip for a Solana arbitrage bundle. Inputs: pool_depth (USD), expected_profit (USD), slot_probability [0..1]. Returns tip lamports + EV breakdown. Priced at $0.01 USDC on Base (x402). Pass a signed x402 v2 authorization as the '_payment' argument to unlock the paid response. Without it, the tool returns the 402 accept-list for your wallet to sign.

openFDA drug adverse-event lookup for the last 12 months. Returns top reactions, report count, and seriousness breakdown (serious vs non-serious). Searches brand, generic, and medicinal-product names in parallel. Priced at $0.005 USDC on Base (x402). Pass a signed x402 v2 authorization as the '_payment' argument to unlock the paid response. Without it, the tool returns the 402 accept-list for your wallet to sign.

Forward geocoding via OpenStreetMap Nominatim. Address string → lat/lon + normalized address block (country_code, state, city, postcode, road) + match_quality label. Priced at $0.001 USDC on Base (x402). Pass a signed x402 v2 authorization as the '_payment' argument to unlock the paid response. Without it, the tool returns the 402 accept-list for your wallet to sign.

Reverse geocoding via OpenStreetMap Nominatim. lat/lon → normalized address + place class/type. Priced at $0.001 USDC on Base (x402). Pass a signed x402 v2 authorization as the '_payment' argument to unlock the paid response. Without it, the tool returns the 402 accept-list for your wallet to sign.

Search PubMed (NCBI) for medical / life-sciences literature by keyword. Returns enriched article list: pmid, title, authors, journal, year, pub_types, plus a year-range + has-meta-analysis / has-review enrichment block. Ideal for medical RAG agents. Priced at $0.005 USDC on Base (x402). Pass a signed x402 v2 authorization as the '_payment' argument to unlock the paid response. Without it, the tool returns the 402 accept-list for your wallet to sign.

Scan a Solana wallet for portfolio value, dust accounts, stale stake accounts, and low-liquidity position warnings. Returns findings + referral CTAs. Priced at $0.01 USDC on Base (x402). Pass a signed x402 v2 authorization as the '_payment' argument to unlock the paid response. Without it, the tool returns the 402 accept-list for your wallet to sign.

Return metadata for the cipher-solana-wallet-audit v1.4.0 ruleset — the free MIT GitHub Action that catches Solana wallet anti-patterns in CI: plaintext private keys (base58 OR hex), seed phrases (in comments OR string literals), Anchor.toml wallet leaks, Token2022 transfer-hook abuse, Drift-hack-derived admin bundles, leaked .env files, hardcoded RPC URLs. Free, no payment required.

USDA FoodData Central nutrition lookup. Query any food (brand or generic) and receive the best-matching record with a clean per_100g macro block (calories_kcal, protein_g, carb_g, fat_g, fiber_g, sugar_g, potassium_mg), plus alternates. Priced at $0.002 USDC on Base (x402). Pass a signed x402 v2 authorization as the '_payment' argument to unlock the paid response. Without it, the tool returns the 402 accept-list for your wallet to sign.