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Toolbooth

io.toolbooth/toolbooth in the official MCP registry. Endpoint https://toolbooth.io/mcp.

The registry describes it as: Pay-per-call tools for AI agents: Solana, DEX, perps, prediction markets, DeFi, web. USDC via x402.

Connect it

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

claude mcp add --transport http toolbooth https://toolbooth.io/mcp

{
  "mcpServers": {
    "toolbooth": {
      "url": "https://toolbooth.io/mcp"
    }
  }
}

code --add-mcp '{"name":"toolbooth","type":"http","url":"https://toolbooth.io/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.

Let Claude Code check servers as it adds them

With the free lazaretto-guard plugin installed, when Claude Code adds a server for you or writes one into an MCP config, the plugin reads the server's tools first and asks you if one of our rules matches. Install it, restart Claude Code, then ask it to run the command above.

claude plugin marketplace add jamesdfinance-dev/lazaretto-plugins
claude plugin install lazaretto-guard@lazaretto-plugins

Tools it advertises

token_price wallet_profile token_risk_score transaction_parse whale_alert dex_liquidity token_holders wallet_pnl copy_trade_signals web_search web_scrape crypto_price weather news_headlines compute_math swap_quote priority_fee wallet_balance dex_search pair_data trending_tokens new_pairs token_security token_metadata holder_changes top_traders yield_rates volume_alert gas_tracker prediction_markets_trending prediction_market_odds prediction_market_movers prediction_market_history prediction_market_sentiment dependency_risk_score crypto_sentiment lending_rates smart_money prediction_market_aggregator l2_yield_scanner l2_gas_intelligence liquidation_risk mev_detection prediction_market_arbitrage prediction_market_events bridge_route_optimizer secrets_detection solana_tvl lst_yields fear_greed_index funding_rate_arbitrage polymarket_quote hedge_plan order_book_aggregator perp_market_overview options_volatility stablecoin_peg_monitor open_interest_change recent_liquidations price_history and 11 more

Tool changes

We compare every full read of this server with the one before. No change in what its tools say has been seen since we started keeping this record on 2026-10-30.

Fingerprint of its tools at our last full read (2026-10-31): de99cae295e1f338. A client can hash the tools it is served the same way and compare; the full value and a hash per tool are in this page as JSON.

Run this server? Show the check in your README

The badge reflects the latest weekly read:

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

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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