Japan RuleWatch
https://japan-rulewatch-mcp-mainnet.kadopi.workers.dev/mcp ↗
Description
Official Japanese regulatory evidence MCP for tourism businesses and authorized AI agents.
What our measurements say
Japan RuleWatch is a remote MCP server published at japan-rulewatch-mcp-mainnet.kadopi.workers.dev. It has been probed 14 times since 9/12/2026. It answered in 14 of them (100.0%), a near-uninterrupted record. Median response time is 309 ms, placing it among the faster endpoints. It offers a narrow, focused set of 7 tools. On the protocol side it speaks the 2026-07-28 stateless spec.
Agent readability score
Can an LLM agent pick the right tool here — names, descriptions and parameter clarity are assessed.
Agent readability score
Strengths
- Some tool names (e.g., 'search_rules') clearly indicate their purpose.
- Descriptions for 'get_evidence_pack' and 'get_entry_pack' specify use cases and limitations.
Weaknesses
- Tool names like 'get_tourism_evidence_pack' are overly verbose and could be simplified.
- Descriptions for 'search_entry_cases' are cut off, making their purpose unclear.
- Parameters in 'get_entry_pack' include excessive optional fields without clear guidance on usage.
- Overlap between 'get_tourism_evidence_pack' and 'get_evidence_pack' may confuse agents about which to use.
search_entry_cases— Description is truncated, missing critical details about functionality.get_entry_pack— Too many optional parameters (7) without clear prioritization or context.
Verdict
Event narrative
Sign up free to generateSchema compliance
tools/list structure, inputSchema validity, and a functional smoke test — the components of the 0-100 score.
- tools/list schema valid
- inputSchema is valid JSON Schema
- Smoke test passed · last run:
- Cold-start: cold 54ms → warm 44ms (penalty 10ms)
Tools
Tools the server advertised in the latest measurement — measured, not catalog-claimed.
search_rulesSearch a small curated index of official Japanese sources about mail-order sales advertising. Use this before get_evidence_pack. Results are evidence pointers, not legal conclusions.
querystringrequiredlimitinteger
get_commercial_termsFree: return the current business-only commercial terms profile for a supported paid product. A status other than ready means Mainnet purchase is unavailable.
product_idstringrequired
search_entry_casesFree: search the fixed Japan tourism entry-case catalog by region, activity, and language. Returns a model-case preview, key decision themes and what the paid preparation pack adds. It does not include source locations, contact routes, inquiry text or an action plan. Japan Rule is a private commercial service, not a government service.
region_idstringrequiredactivitystringrequiredlanguagestringrequired
get_entry_packPaid: return the fixed Iya soba entry-preparation pack with sources, contacts, consultation text, unknowns, and next actions. It gives no customer-specific legal verdict. Japan Rule is not a government service.
pack_idstringrequiredlanguagestringrequiredaccepted_terms_versionstringaccepted_terms_sha256stringbusiness_purchase_confirmedbooleanbuyer_business_namestringbuyer_country_codestring
get_evidence_packReturn a concise evidence pack for one rule ID returned by search_rules. Includes official URLs, scope limits, and no legal-compliance verdict.
idstringrequired
get_tourism_preflightFree: classify a Japan-bound hotel service flow into the supported A/B/C model, list missing facts, and flag manual review. It does not return primary-source evidence.
acceptsReservationOnPlatformbooleancollectsTravelPaymentbooleanhandlesCancellationOrRefundbooleanactsAsContractingPartyboolean
get_tourism_evidence_packPaid: return official Japanese primary-source URLs, evidence locations, checked dates, source versions, general requirements, traveler-screen checks, and re-check triggers for a complete supported A/B/C flow. This is informational evidence, not a legal verdict.
acceptsReservationOnPlatformbooleancollectsTravelPaymentbooleanhandlesCancellationOrRefundbooleanactsAsContractingPartyboolean
Availability history
Event log
Derived by comparing consecutive probes — changes in era, protocol version, build and reachability.
- Server build: 0.1.0 → 0.1.1
- Added to watch — era: Dual-era
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