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Riley Craig x402 Agent Store
io.github.rccola990-cloud/x402-agent-store in the official MCP registry.
Endpoint https://store.agentexchange.work/mcp. Source: github.com/rccola990-cloud/x402-agent-store.
The registry describes it as: AI brand/token visibility, prediction-market odds & cheap x402 data feeds for AI agents.
We read its 89 tools on 2026-10-26. Nothing in them matched our tool-poisoning rules. It also sets server instructions, text a client puts in front of the model on connect; those were read too.
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
store_catalog store_samples market_overview market_list_tasks market_post_task market_bid market_award market_publish_receipt agent_passport sales_qualify_lead brand_ai_visibility_check ai_visibility_index ai_visibility_signal us_macro_regime defi_vs_riskfree_spread us_treasury_rates defi_yields crypto_prices prediction_market_odds crypto_ai_visibility dex_token_data whale_transfer_alerts smart_money_wallet_activity chain_native_balance chain_block_header chain_event_logs chain_fee_history chain_token_identity chain_confirmations chain_l1_data_fee chain_nft_owner chain_batch_reads chain_heartbeat chain_gas_price connect_token pretrade_full_report connect_company eu_tender_intelligence chain_id chain_estimate_gas chain_storage_slot chain_transaction_status chain_token_supply chain_ens_resolve token_launches_feed base_wave_radar crosschain_attention_radar token_security_check ai_category_ranking country_economic_indicators github_trending npm_downloads hn_top_stories web_search tavily_search wikipedia_lookup truck_load_profit truck_cost_per_mile web_scrape web_crawl and 29 more
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[](https://lazaretto.dev/mcp-registry/io-github-rccola990-cloud-x402-agent-store)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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