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8 clients · secrets stay placeholders

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{
  "mcpServers": {
    "jp-postal-lookup-mcp": {
      "type": "http",
      "url": "https://jp-postal-lookup-mcp.donniertf.workers.dev/mcp"
    }
  }
}

claude mcp add --transport http jp-postal-lookup-mcp https://jp-postal-lookup-mcp.donniertf.workers.dev/mcp

[mcp_servers.jp-postal-lookup-mcp]
url = "https://jp-postal-lookup-mcp.donniertf.workers.dev/mcp"

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "jp-postal-lookup-mcp": {
      "type": "remote",
      "url": "https://jp-postal-lookup-mcp.donniertf.workers.dev/mcp",
      "enabled": true
    }
  }
}

{
  "mcpServers": {
    "jp-postal-lookup-mcp": {
      "type": "http",
      "url": "https://jp-postal-lookup-mcp.donniertf.workers.dev/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=jp-postal-lookup-mcp&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vanAtcG9zdGFsLWxvb2t1cC1tY3AuZG9ubmllcnRmLndvcmtlcnMuZGV2L21jcCJ9"
}

{
  "servers": {
    "jp-postal-lookup-mcp": {
      "type": "http",
      "url": "https://jp-postal-lookup-mcp.donniertf.workers.dev/mcp"
    }
  }
}

{
  "mcpServers": {
    "jp-postal-lookup-mcp": {
      "httpUrl": "https://jp-postal-lookup-mcp.donniertf.workers.dev/mcp"
    }
  }
}

extensions:
  "jp-postal-lookup-mcp":
    enabled: true
    name: "jp-postal-lookup-mcp"
    type: streamable_http
    uri: "https://jp-postal-lookup-mcp.donniertf.workers.dev/mcp"
    timeout: 300

Quality 80 / 100good

protocol75 · weight 25

warn
protocol.modernnewest supported version is 2025-03-26; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
n/a
protocol.statelessonly applies to 2026-07-28 servers
pass
protocol.transportstreamable HTTP
n/a
protocol.list_ttlonly applies to 2026-07-28 servers

authorizationn/a · weight 15

n/a
auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
n/a
auth.secret_in_urlno templated URL

tool hygiene75 · weight 30

pass
tools.descriptionsevery tool has a description
pass
tools.description_lengthdescriptions are concise
pass
tools.schemasevery tool has an object input schema
fail
tools.annotationsno tool declares readOnlyHint or destructiveHint, so clients cannot tell safe calls from risky ones
fail
tools.directory_hintsno tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: postal_lookup (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); batch_postal (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); all_matches (readOnlyHint, destructiveHint, idempotentHint, openWorldHint)
pass
tools.token_costabout 182 tokens to load every tool
pass
tools.api_dumptools are not a one-to-one API dump
pass
tools.hidden_textno hidden text in tool names, descriptions, schemas or annotations

stability100 · weight 15

pass
stability.changesno tool changes in 30 days
pass
stability.rug_pullno tool changed its meaning under the same name
pass
stability.new_linksno tool change named a new site

dependenciesn/a · weight 15

n/a
deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

3 tools, about 182 tokens to load them all · tool set eefb7f6b7274 · checked 2026-11-14 07:36 UTC

Tool changes

No tool definition changes recorded. A server's first observation is its baseline; later probes record what changes.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 89 / 100

duplicate-repo

provenance90

liveness99

freshness100

hygiene60

+repository +namespace-matches-repo +website +reachable +uptime-97% +updated-15d-ago -duplicate-repo(95 names)

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remote	auth	reachable	uptime 30d	p50	protocol	last ok
`https://jp-postal-lookup-mcp.donniertf.workers.dev/mcp` streamable-http	none	yes	97%	203 ms	2025-03-26	2026-11-14

Tools (3)

`all_matches`	PRO. All address matches for one postcode (some codes span multiple towns).
`batch_postal`	PRO. Resolve up to 50 Japanese postcodes.
`postal_lookup`	FREE. Resolve a 7-digit Japanese postcode to prefecture/city/town.

Schemas: list_tools.

Also listed as

93 other active names share this repository (showing 10): io.github.donniertf-hub/au-air-quality-nsw-mcp, io.github.donniertf-hub/au-bushfire-nsw-mcp, io.github.donniertf-hub/au-business-calendar-mcp, io.github.donniertf-hub/au-cash-rate-mcp, io.github.donniertf-hub/au-cpi-mcp, io.github.donniertf-hub/au-earthquake-alerts-mcp, io.github.donniertf-hub/au-emergency-vic-mcp, io.github.donniertf-hub/au-fx-rates-mcp, io.github.donniertf-hub/au-holidays-mcp, io.github.donniertf-hub/au-nem-prices-mcp

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Official server.json

{
  "name": "io.github.donniertf-hub/jp-postal-lookup-mcp",
  "title": "Japan Postal Code Lookup MCP",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://jp-postal-lookup-mcp.donniertf.workers.dev/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "1.0.0",
  "repository": {
    "url": "https://github.com/donniertf-hub/uk-mcp-fleet",
    "source": "github"
  },
  "websiteUrl": "https://jp-postal-lookup-mcp.donniertf.workers.dev",
  "description": "Resolve Japanese 〒 postcodes to prefecture, city and town."
}