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Peer
io.github.zkp2p/peer in the official MCP registry.
Endpoint https://mcp.peer.xyz/mcp. Source: github.com/zkp2p/peer-cli.
The registry describes it as: Read Peer protocol, market, checkout, and Peer Cash data through one MCP server.
We read its 97 tools on 2026-10-22. 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
peer_quote peer_payee_resolve_hash peer_deposit_list peer_deposit_show peer_deposit_show_many peer_pv_deposit_show peer_pv_deposit_show_many peer_pv_deposit_list_owner peer_indexer_deposits_list peer_indexer_deposits_list_relations peer_indexer_deposits_show peer_indexer_deposits_by_ids peer_indexer_deposits_by_ids_relations peer_indexer_deposits_fund_activities peer_indexer_makers_fund_activities peer_indexer_deposits_snapshots peer_indexer_query peer_intent_list peer_intent_show peer_intent_fulfill_inputs peer_intent_hook_pre_get peer_pv_intent_list_owner peer_pv_intent_show peer_indexer_intents_by_deposit_ids peer_indexer_intents_by_owner peer_indexer_intents_show peer_indexer_intents_expired peer_indexer_intents_fulfilled_events peer_indexer_intents_fulfillment_amounts peer_indexer_intents_fulfillment_and_payment peer_vault_list peer_vault_show peer_vault_delegates peer_vault_snapshots peer_vault_manual_rate_updates peer_vault_oracle_config_updates peer_vault_manager_fee peer_vault_effective_rate peer_oracle_supports_inline peer_oracle_validate_feeds peer_delegate_show peer_indexer_delegations_by_deposit peer_market_spreads peer_market_orderbook peer_market_compare peer_market_volume peer_market_leaderboard peer_market_protocol_stats peer_market_vaults peer_market_explorer_address peer_market_explorer_deposit peer_market_explorer_intent peer_market_explorer_maker peer_market_explorer_verifier peer_market_explorer_vault peer_market_explorer_search peer_market_deposits peer_market_intents peer_market_activity peer_market_taker_history and 37 more
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[](https://lazaretto.dev/mcp-registry/io-github-zkp2p-peer)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.