"Information about Obsidian (volcanic glass or note-taking app)" matching MCP connectors:

Deterministic AI agent microtools, no accounts/API keys. fetch_extract: 98% token cut. 38 tools.

Pre-transaction token risk checks for autonomous agents. Read-only; never signs or moves funds. Paid per call in USDC via x402. Supporting Base, Solana, Ethereum, Arbitrum, BSC and HyperEVM

Pay-per-call safety checks for AI agents: screen a crypto address or URL before you transact.

Per-transaction crypto trade validator for AI agents. Returns deterministic PROCEED / CAUTION / BLOCK verdicts using WaveGuard anomaly detection, history checks, and rug-pull risk analysis.

Read-only MCP for Rialto quotes and swap preflight on Robinhood Chain. No signing or broadcast.

Rent verified subdomains by the hour, day, or month. Free 24h trials, x402 USDC on Base.

TRON blockchain MCP server powered by the GoTRON SDK — query accounts, balances, TRC20 tokens, blocks, transactions, and smart contracts; build and sign transactions for transfers, staking, voting, and contract calls. Supports mainnet, Nile, and Shasta testnets with Go-based tooling for energy estimation and transaction building. Available via stdio or hosted Streamable HTTP

Pre-transaction health and safety verdicts for onchain apps, by contract address.

Find the cheapest EVM chain across up to 9 networks with savings %. Pay-per-call via x402 on Base.

Fail-closed safe-to-pay verdicts on Base: known-bad wallets, look-alike tokens, repeat rug funders.

The only x402 MCP server for Robinhood Chain (chainId 4663) - 147 onchain, trading & AI tools.

Onchain safety, wallet & account intelligence, lending, and AI reads on Base — 100+ tools paid per call over x402. Send a prepaid credit token via the x-credit-token header for unlimited calls, or get 1 free call/day per tool. No wallet or API key required.

Real-time risk-weighted USDC lending APY across Aave, Compound, Morpho, Moonwell, Euler and Fluid on Base. Every reading tagged with its data source (onchain/api/defillama). Pay-per-call via x402, $0.01 USDC, 3 free calls/day.

Real-time risk-weighted USDC lending APY across 6 protocols on Base, paid via x402

Crypto structure scores, MemeSniper meme filter with real hit-rate, token & stock financials.

Read & play The Floor, an on-chain strategy game on Robinhood Chain. Unofficial companion.

Trust scoring for x402 endpoints — "should my agent pay this?" check_endpoint runs live diligence: x402 spec-compliance probe, price sanity vs market percentiles, payTo wallet on-chain activity (Base), directory presence, infra hygiene. Returns 0-100 score with per-check evidence. compare_price positions any price vs category market data. Pay-per-call via x402: $0.02/call USDC on Base, no account or API key. tools/list free.

OpenAI-compatible LLM MCP (7 tools); chat via balance key or x402 USDC on Base

Proof primitive for AI agents on MultiversX. Anchor file hashes on-chain as verifiable proofs.

Fan-token intelligence for Chiliz Chain: prices, whale flows, match event impact. 22 read tools.