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ai.firmbrain/x402-services
ai.firmbrain/x402-services in the official MCP registry.
Endpoint https://x402-services-production.up.railway.app/mcp. Source: github.com/bkrigmo1/robinhood-chain-x402.
The registry describes it as: The only x402 MCP server for Robinhood Chain (chainId 4663) - 147 onchain, trading & AI tools.
We read its 159 tools on 2026-10-21. Nothing in them matched our tool-poisoning rules.
A clean read means these rules found nothing, not that the server is harmless. A server can change its tools at any time, which is why the index reads it again every week.
Tools it advertises
markdown extract read read_structured memory_set memory_get schedule schedule_status counter lock_acquire lock_release queue_push queue_pop idempotency pubsub_publish pubsub_poll board_set board_get ratelimit deadman_register deadman_ping calc datetime business_days regex jsonschema diff cron_explain schedule_cron links_check inbox_create inbox_poll wallet_reputation crypto_price crypto_convert crypto_balances crypto_gas crypto_ens crypto_tx crypto_token crypto_yields crypto_activity crypto_contract snipe_newpairs snipe_trending snipe_safety snipe_honeypot snipe_holders snipe_pair snipe_search snipe_wallet snipe_impact snipe_rh rh_stock rh_stocks rh_premium rh_arb rh_yields rh_tvl rh_pool and 99 more
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[](https://lazaretto.dev/mcp-registry/ai-firmbrain-x402-services)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.