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Blackwood State

io.github.Blackwood-State/blackwood-state in the official MCP registry. Endpoint https://x402-gateway.blackwoodstate8.workers.dev/mcp.

The registry describes it as: Pay-per-call tools for agents: onchain data, ECB FX rates, text tools. USDC on Base, 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 blackwood-state https://x402-gateway.blackwoodstate8.workers.dev/mcp

{
  "mcpServers": {
    "blackwood-state": {
      "url": "https://x402-gateway.blackwoodstate8.workers.dev/mcp"
    }
  }
}

code --add-mcp '{"name":"blackwood-state","type":"http","url":"https://x402-gateway.blackwoodstate8.workers.dev/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

blackwood_credits_balance blackwood_webpage_markdown blackwood_sec_facts blackwood_pdf_extract_status blackwood_pdf_extract blackwood_domain_intel blackwood_weather_forecast blackwood_email_check blackwood_llm_chat_status blackwood_llm_chat blackwood_audio_transcribe_status blackwood_audio_transcribe blackwood_image_generate_status blackwood_image_generate blackwood_token_price blackwood_wallet_balances blackwood_news_search blackwood_crypto_news blackwood_random_generate blackwood_timezone_convert blackwood_text_summarize blackwood_airport_delays blackwood_speech_synthesize blackwood_headers_audit blackwood_qrcode_generate blackwood_text_translate blackwood_fx_rates blackwood_x402_check blackwood_text_sentiment blackwood_fx_history blackwood_email_batch blackwood_ens_lookup blackwood_gas_fees blackwood_wallet_portfolio blackwood_news_briefing blackwood_company_dossier blackwood_wallet_value blackwood_altcoin_discovery

Run this server? Show the check in your README

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

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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