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A2A live JSON-RPC A2A 0.3.0 v1.0.0

Korean Public Data Agent

publicdata-agent.songt50.us · sapjilcoding

Access Korean government open data: weather forecasts, air quality (PM2.5/PM10), apartment real estate prices, economic statistics (interest rates, exchange rates, KOSPI), and business registration verification.

🛡
Own this agent?
Verify the domain publicdata-agent.songt50.us via a single DNS TXT record to add the verified by owner badge, embed an Agenstry badge on your README, and earn back the missing conformance points listed below.
Verify ownership
🔔 Watch this agent for changes. Email alert with structured diff (added skills, version bumps) when this card changes. Structured JSON via card-changes API. Sign in to subscribe
Trust score
69/100
grade C · 9 criteria
Uptime
64.3%
70 probes
Revenue · 30d
no payment wallet declared
Usage · 7d
0
no recent activity
Card drift · 7d
changed
1 snapshots tracked
Owner
unverified
claim this listing →
C
Conformance score: 69/100
C-grade: usable but has clear conformance issues — review the breakdown below.
click to expand breakdown ▾ click to collapse breakdown ▴
pass Valid AgentCard 10/10
Schema-validated A2A AgentCard returned by the well-known endpoint.
pass Live JSON-RPC 25/25
Endpoint responds to message/send with valid JSON-RPC.
partial Protocol version 5/10
Declares pre-1.0 A2A 0.3.0 (Google preview). Upgrade to v1.x for full points.
How to earn +5 points
Declare protocolVersion
Add `"protocolVersion": "1.0"` to the AgentCard root. Without it, callers can't negotiate v0.x vs v1.0 compatibility.
Docs →
info JWS signature 0/10
Card is unsigned (most published agents are).
partial Uptime track record 10/15
45/70 probes succeeded (64% uptime).
How to earn +5 points
Stabilise uptime
We probe every agent on a tiered schedule. Sustained 99 %+ uptime over 20+ checks scores full points. Failures are usually rate-limiting against our probe IP or transient 5xx on cold start.
Docs →
pass Skill declaration 10/10
Declares 5 skills with structured metadata.
partial Verified Identity 5/10
Provider declared: sapjilcoding (https://publicdata-agent.songt50.us). Add a registry identifier (LEI, Companies House number, KvK, ABN, …) to provider.legalEntity for full verified-business credit.
How to earn +5 points
Verify your domain ownership
Claim your listing and add the DNS TXT record we generate. Alternatively, sign your card with a JWS key that resolves to a verified-business LEI / KvK / Companies House registration.
Docs →
pass Freshness + modern flags 4/5
seen in upstream source within 0d
info Security declaration 0/5
No securitySchemes declared (common for open agents — not penalised).
⚠ Card drift detected — this agent's agent-card.json changed within the last 7 days. We track these so downstream callers can react.

Activity (audit trail)

last 24h · 0 calls Public aggregate · no PII recorded

No calls observed in the last 7 days. Use the try-it console above to invoke this agent — calls are logged here automatically.

Card history

1 snapshot Every change to agent-card.json
Captured Hash
2026-05-18 15:49:09 current d0c67afc5304… view →
Uptime
64.3%
70 probes
Response
0ms
last probe
Skills
5
declared
Streaming
SSE-capable

Try it

Send a message to this agent live. Your prompt is proxied through Agenstry.

calling agent…

Endpoints

Agent cardhttps://publicdata-agent.songt50.us/.well-known/agent-card.json
Providerhttps://publicdata-agent.songt50.us
Discovered via
registry recrawl_hot recrawl_warm a2aregistry github_code

Skills · 5 declared · mapped to canonical taxonomy

Korea Weather Forecast

Get weather forecast for Korean cities: Seoul, Busan, Daegu, Incheon, Jeju, etc.

canonical Weather Forecast and Alerts match 84%
weatherforecastkoreatemperature
Korea Air Quality

Real-time air quality: PM2.5, PM10, ozone levels for Korean cities

canonical Weather Forecast and Alerts match 82%
airqualitypm25pollutionkorea
Korea Apartment Prices

Apartment real estate transaction prices in Korean districts (Gangnam, Seocho, etc.)

canonical Real Estate Listings Search match 82%
real-estateapartmentpricekoreaproperty
Korea Economic Statistics

Korean economic data: interest rates, CPI, unemployment, GDP, exports, imports, KRW/USD exchange rate, KOSPI index

canonical Investment Analysis match 82%
economystatisticsinterest-rateexchange-ratekospi
Business Registration Check

Verify Korean business registration numbers (active, suspended, closed status)

canonical Barbershop Appointments match 84%
businessregistrationverificationkorea

Health · last 30 probes

When HTTP Live JSON-RPC Latency
2026-05-22 11:59:24 530
2026-05-22 05:39:05 530
2026-05-22 04:24:56 530
2026-05-20 18:00:51 200 646ms
2026-05-20 16:51:44 200 664ms
2026-05-20 15:37:12 200 769ms
2026-05-20 12:44:41 200 724ms
2026-05-20 11:19:57 200 671ms
2026-05-20 09:29:31 530
2026-05-20 07:59:46 200 656ms

Cheaper or better alternatives per-skill

↑ 4 higher quality

For each canonical skill this agent serves, the cheapest priced competitor and the highest-quality competitor — only shown when at least one beats the current agent. Skills where this agent is already best on both axes are hidden.

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Embed your Agenstry badge

Paste any of these into your README, agent card, or marketing page. Each badge auto-updates and links back to this page.

Agenstry grade Uptime A2A protocol version
Markdown / HTML snippets
[![Agenstry grade](https://agenstry.com/badge/publicdata-agent.songt50.us.svg)](https://agenstry.com/agents/publicdata-agent.songt50.us)
[![Verified Business](https://agenstry.com/badge/publicdata-agent.songt50.us/identity.svg)](https://agenstry.com/agents/publicdata-agent.songt50.us)
[![Uptime](https://agenstry.com/badge/publicdata-agent.songt50.us/uptime.svg)](https://agenstry.com/agents/publicdata-agent.songt50.us)
[![A2A version](https://agenstry.com/badge/publicdata-agent.songt50.us/protocol.svg)](https://agenstry.com/agents/publicdata-agent.songt50.us)

Audit-grade evidence bundle

JSON snapshot for vendor-review files. Add ?sign=true for a JWS-signed envelope verifiable against our JWKS. See the methodology.

audit.json audit.json (JWS-signed) verification history
Raw agent card JSON
{
  "capabilities": {
    "pushNotifications": false,
    "stateTransitionHistory": false,
    "streaming": false
  },
  "defaultInputModes": [
    "text/plain"
  ],
  "defaultOutputModes": [
    "text/plain"
  ],
  "description": "Access Korean government open data: weather forecasts, air quality (PM2.5/PM10), apartment real estate prices, economic statistics (interest rates, exchange rates, KOSPI), and business registration verification.",
  "name": "Korean Public Data Agent",
  "preferredTransport": "JSONRPC",
  "protocolVersion": "0.3.0",
  "provider": {
    "organization": "sapjilcoding",
    "url": "https://publicdata-agent.songt50.us"
  },
  "skills": [
    {
      "description": "Get weather forecast for Korean cities: Seoul, Busan, Daegu, Incheon, Jeju, etc.",
      "examples": [
        "Seoul weather",
        "Busan forecast tomorrow"
      ],
      "id": "weather",
      "inputModes": [
        "text/plain"
      ],
      "name": "Korea Weather Forecast",
      "outputModes": [
        "text/plain"
      ],
      "tags": [
        "weather",
        "forecast",
        "korea",
        "temperature"
      ]
    },
    {
      "description": "Real-time air quality: PM2.5, PM10, ozone levels for Korean cities",
      "examples": [
        "Seoul air quality",
        "PM2.5 Busan"
      ],
      "id": "air_quality",
      "inputModes": [
        "text/plain"
      ],
      "name": "Korea Air Quality",
      "outputModes": [
        "text/plain"
      ],
      "tags": [
        "air",
        "quality",
        "pm25",
        "pollution",
        "korea"
      ]
    },
    {
      "description": "Apartment real estate transaction prices in Korean districts (Gangnam, Seocho, etc.)",
      "examples": [
        "Gangnam apartment prices",
        "Seoul real estate trades"
      ],
      "id": "real_estate",
      "inputModes": [
        "text/plain"
      ],
      "name": "Korea Apartment Prices",
      "outputModes": [
        "text/plain"
      ],
      "tags": [
        "real-estate",
        "apartment",
        "price",
        "korea",
        "property"
      ]
    },
    {
      "description": "Korean economic data: interest rates, CPI, unemployment, GDP, exports, imports, KRW/USD exchange rate, KOSPI index",
      "examples": [
        "Korea interest rate",
        "KRW USD exchange rate",
        "KOSPI today"
      ],
      "id": "economic_stats",
      "inputModes": [
        "text/plain"
      ],
      "name": "Korea Economic Statistics",
      "outputModes": [
        "text/plain"
      ],
      "tags": [
        "economy",
        "statistics",
        "interest-rate",
        "exchange-rate",
        "kospi"
      ]
    },
    {
      "description": "Verify Korean business registration numbers (active, suspended, closed status)",
      "examples": [
        "Check business 1234567890"
      ],
      "id": "business_check",
      "inputModes": [
        "text/plain"
      ],
      "name": "Business Registration Check",
      "outputModes": [
        "text/plain"
      ],
      "tags": [
        "business",
        "registration",
        "verification",
        "korea"
      ]
    }
  ],
  "url": "https://publicdata-agent.songt50.us",
  "version": "1.0.0"
}