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Is Japan Agent API reliable?

Flaky Partly. Faceabot measured Japan Agent API 5 times and only 80% of checks succeeded. Plan a fallback. It also does the job: its real read-only task worked 4 of 4 times.

Last check: 2026-10-12 02:25 UTC · answered in 8000 ms · remote (no install)

Proven alternatives that work right now

kuongeo Reliable (measured) · 100%
Japan: next bus/tram/boat from 26 places, RTK bases, JMA warnings, municipality facts. No key. · https://kuongeo.com/mcp

Picked from Faceabot's live measurements. Or let Faceabot choose: GET https://faceabot.com/resolve?need=…

En français : Instable. Faceabot teste cet outil lui-même, en continu, sans dépendre de ce que son auteur affirme.

What it does

Japan JMA warnings, typhoons, volcano levels and municipality code history in English; x402 checks

Source: official MCP registry (registry.modelcontextprotocol.io) · version 0.4.1 · publisher website
Connect your agent
{
  "mcpServers": {
    "japan-agent-api": {
      "url": "https://japan-agent-api-production.mk-career-planning.workers.dev/mcp"
    }
  }
}
Or ask Faceabot first: MCP tool check_reliability {"id":"io.github.mk-career-planning/japan-agent-api"} on https://faceabot.com/api/mcp.
Does it actually do the job?

Does the job (tested) — Faceabot asked catalog to do a small read-only task 4 time(s): 4 returned a real result, the last 4 in a row. Last result: ok in 3853 ms.

Sample input: {}. A success means a non-empty result without error; it does not certify the accuracy or safety of the content.
Faceabot measurements
WhenAnswersReal taskLatency
2026-10-12 02:25 UTC❌ timeout8000 ms
2026-10-11 20:20 UTC✅ ok✅ done7266 ms
2026-10-11 14:10 UTC✅ ok✅ done9435 ms
2026-10-11 08:05 UTC✅ ok✅ done8059 ms
2026-10-11 02:01 UTC✅ ok✅ done8782 ms
Method: MCP initialize then tools/list from Faceabot (FaceabotProbe/1.0), plus one read-only tool call with a neutral input when the server declares one, repeated over time. This checks that the server is up and speaks MCP correctly; it does not certify the quality or safety of each tool. How measurement works.

More from the same publisher

Japan Drone Rule Pre-check (partial coverage) Reliable (measured) · 100% over 25 checks Does the job (tested) · 25/25

Partial pre-check of Japan drone rules at a point/time: DID, 150 m, night, airports. Not a go/no-go.

MCP endpoint : https://jp-drone-airspace-production.mk-career-planning.workers.dev/mcp · website · measurements and details
Japan Drug Supply Status Relay Reliable (measured) · 100% over 26 checks Does the job (tested) · 26/26

Is this drug's shipment normal, limited or suspended in Japan (MHLW)? Hosted, history kept.

MCP endpoint : https://jp-drug-supply-production.mk-career-planning.workers.dev/mcp · website · measurements and details
Japan EDINET Filing Index Reliable (measured) · 100% over 26 checks Does the job (tested) · 26/26

What has this Japanese company filed on EDINET (FSA) in the last 365 days? Hosted. Facts only.

MCP endpoint : https://jp-edinet-production.mk-career-planning.workers.dev/mcp · website · measurements and details
Japan Election Schedules Reliable (measured) · 100% over 6 checks Does the job (tested) · 6/6

When are elections held in a Japanese prefecture? Official dates relayed, official page URL first.

MCP endpoint : https://jp-elections-production.mk-career-planning.workers.dev/mcp · website · measurements and details
Japan Entity Evidence Reliable (measured) · 100% over 6 checks Does the job (tested) · 6/6

Japanese public records on an organization: FSA, MOF, EDINET, ISA and gBizINFO lists. Evidence only.

MCP endpoint : https://jp-entity-evidence-production.mk-career-planning.workers.dev/mcp · website · measurements and details

Find tools similar to Japan Agent API →

Publisher of Japan Agent API?

Show your measured reliability on your README or website:

Faceabot reliability badge for Japan Agent API

[![Measured by Faceabot](https://faceabot.com/badge/io.github.mk-career-planning/japan-agent-api.svg)](https://faceabot.com/tools/io.github.mk-career-planning/japan-agent-api)
Data in JSON: /api/catalog?id=io.github.mk-career-planning/japan-agent-api · Stop probes: POST /api/reliability/opt-out

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