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Crank Protocol

ing.crank/crank in the official MCP registry. Endpoint https://mcp.crank.ing/mcp. Source: github.com/engaij/crank.

The registry describes it as: Non-custodial DeFi tools for AI agents on Solana: swaps, perps, lending, staking, equities.

Connect it

The endpoint answers MCP over HTTP; that is how we read it. Add it to your client:

claude mcp add --transport http crank https://mcp.crank.ing/mcp

{
  "mcpServers": {
    "crank": {
      "url": "https://mcp.crank.ing/mcp"
    }
  }
}

code --add-mcp '{"name":"crank","type":"http","url":"https://mcp.crank.ing/mcp"}'

Some servers ask you to sign in the first time a client connects, or want a key from the people who run them; the server's own docs say which. The free lazaretto-guard plugin reads a server's tools the moment Claude Code adds it and asks you if one of our rules matches.

Tools it advertises

jupiter_swap verify_transaction get_quotes get_balances portfolio_snapshot set_alert set_ooda_consent get_ooda_status declare_jurisdiction list_alerts token_info evm_balances evm_token_price evm_swap_quote evm_swap verify_token get_transaction_history backtest_strategy get_ml_signal detect_regime get_risk_assessment get_indicators sr_detect_levels sr_configure_strategy sr_backtest asset_classification get_disclaimers perp_open_long perp_open_short perp_close perp_modify perp_positions perp_markets perp_funding_rates place_perp_order close_perp_position cancel_perp_order set_perp_tpsl perp_positions_all perp_markets_all perp_funding_rates_all get_venue_status sidecar_health verify_treasury_settlement_status lend_deposit lend_borrow lend_repay get_lending_rates get_health_factor set_liquidation_alert flash_loan liquid_stake unstake_lst get_lst_yields lst_swap get_ilo_details get_my_pledge_status pledge_to_ilo claim_ilo_tokens short_open and 136 more

Run this server? Show the check in your README

The badge reflects the latest weekly read:

[![MCP tool check](https://lazaretto.dev/mcp-registry/ing-crank-crank/badge.svg)](https://lazaretto.dev/mcp-registry/ing-crank-crank)

How this was checked

Lazaretto connects to the endpoint the way any MCP client does, asks the server to introduce itself and list its tools, and reads every name, description, parameter schema and server instruction for tool poisoning: hidden directive blocks, orders to read local secrets, parameters built to carry secrets or the conversation out, orders that redirect another server's tools, and invisible characters. It never calls a tool. What we found across the registry.

To run the same check every time Claude Code adds a server, install the free lazaretto-guard plugin. Browse every server in the index.

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