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Japan Public Ledgers MCP
com.mcp-revenue-empire/japan-public-ledgers in the official MCP registry.
Endpoint https://mcp.mcp-revenue-empire.com/mcp.
The registry describes it as: Tamper-evident daily ledgers of 12 Japanese public-data domains, with cross-ledger entity search.
We read its 172 tools on 2026-10-27. 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
verify_receipt agent_memory_store agent_memory_get agent_memory_search agent_memory_delete agent_audit_record agent_audit_query agent_audit_report agent_tempmail_create agent_tempmail_list agent_tempmail_get agent_tempmail_wait agent_captcha_verify_domain agent_captcha_solve agent_proxy_fetch agent_proxy_session agent_trust_score agent_trust_feedback agent_trust_batch agent_webhook_create agent_webhook_poll agent_webhook_replay agent_webhook_list_requests agent_identity_register agent_identity_badge agent_identity_lookup agent_identity_record agent_identity_activities subsidy_watch_search subsidy_watch_get subsidy_watch_timeline subsidy_watch_recent_changes subsidy_watch_verify_ledger pubcom_watch_search pubcom_watch_get pubcom_watch_timeline pubcom_watch_recent_changes pubcom_watch_verify_ledger grant_watch_search grant_watch_get grant_watch_timeline grant_watch_recent_changes grant_watch_verify_ledger bid_watch_search bid_watch_get bid_watch_timeline bid_watch_recent_changes bid_watch_verify_ledger sanction_watch_search sanction_watch_get sanction_watch_timeline sanction_watch_recent_changes sanction_watch_verify_ledger license_watch_search license_watch_get license_watch_timeline license_watch_recent_changes license_watch_verify_ledger recall_watch_search recall_watch_get and 112 more
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[](https://lazaretto.dev/mcp-registry/com-mcp-revenue-empire-japan-public-ledgers)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.