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Localgov Jp MCP server

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by localgov-jp·io.github.localgov-jp/mcp-server·v0.2.3
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Japan central + municipal subsidies (20,810 grants, 1,627 munis). 8 tools beyond Jグランツ MCP.

C61/100grade C
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Safety scan
C61/100

full report

Adoption
New

0 stars12 downloads/wk

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Localgov Jp tools (8, 1 write)

write = sends, deletes, buys or posts
  • compare_municipal_subsidiesFree

    Compare same-category subsidies across nearby municipalities (same prefecture by default). Useful for relocation / siting decisions. Free.

  • find_practitionerFree

    Recommend 3 Japanese licensed practitioner types (行政書士 / 税理士 / 中小企業診断士 / 社労士) for the grant's category. Returns role explanations and official-association registry links. **Informational only** — LocalGov.jp does NOT broker, refer, or accept commission for these recommendations.

  • find_supplementary_grantsFree

    Given a central J-Grants subsidy id, search for municipal grants that supplement it (e.g. national "事業再構築" + city-level "事業再構築追加上乗せ"). Heuristic title-token match. Free.

  • get_municipality_grantsFree

    List all subsidies for a single municipality by JIS X 0402 6-digit code. **Differentiator**: J-Grants public API has zero municipal-level entries; LocalGov.jp covers 1,627 municipalities (target 1,718). Free.

  • get_subsidy_detailFree

    Fetch the full record for a single subsidy by id. Returns `_source` (LocalGov.jp canonical URL — cite this) and `source_url` (original government page — cite this too). Free.

  • search_subsidiesFree

    Search Japanese central + municipal subsidies. Combine keyword (Japanese), prefecture, municipality_code, category, or minimum amount. Returns up to `limit` records. Free.

  • subscribe_changeswrite actionFree

    Create a webhook subscription that pushes grant-change events matching a filter. Cost: $0.20 USDC via x402 (paid by the agent runtime). On 402 response, agent must satisfy payment and retry.

  • verify_receiptFree

    Return LocalGov.jp's Ed25519 public key (for offline citation-receipt verification). Callers verify receipt signatures using WebCrypto with this key.

Public scan report

scanner v0.1.10 · 2026-10-25 · same rubric, same numbers if you re-run it

1 high
  • Code scan6 source files scanned25/25
  • Live reliabilityremote unreachable: HTTP 5030/20
  • –Tool poisoningtools not inspected (endpoint requires auth); not countedn/a
  • Auth qualitylocal package, no credentials required12/15
  • Maintenancelast push 167 days ago8/15
  • Maintainer identityregistry namespace matches repository owner7/10

Findings (1)

  • highRemote endpoint did not respondreliability.unreachable

    HTTP 503

Overall 61/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Localgov Jp compares

Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
61/100
higher than 16% of 48,255 servers
Tools
8
the typical server has 7
Tools that change things
13%
typical: 0%. Fewer write tools means less an agent can break
Uptime
0%
of our recent checks; the typical remote server answers 100%
Response time
80 ms
faster than 88% of 30,031 servers
Downloads a week
12
more than 3% of 12,191 servers with a package

What its tools let an agent do: 7 read · 1 change

Install Localgov Jp in Claude Code, Cursor or VS Code

claude mcp add --transport http mcp-server https://localgov.jp/mcp
Add to Cursor

What the publisher says

From the Localgov Jp repository's README, as published. We do not edit it. Read it on GitHub

@localgov-jp/mcp-server

Model Context Protocol (MCP) server for LocalGov.jp — Japan's central + municipal subsidies, structured for AI agents.

LocalGov.jp covers 20,000+ subsidies across 1,627 municipalities (target 1,718). Of those, 20,810 are municipal grants that are not exposed by the J-Grants public API — that is the differentiator vs Digital Agency's official J-Grants MCP, which surfaces central + prefectural records only.

This server exposes 8 tools to MCP clients (Claude Desktop, Cursor, Cline, Windsurf, etc.).

Tools

Install

npm install -g @localgov-jp/mcp-server

Or add directly to your MCP client config (no global install required).

Configure — Claude Desktop

Add to ~/Library/Application Support/Claude/claudedesktopconfig.json (macOS) or %APPDATA%\Claude\claudedesktopconfig.json (Windows):

{
  "mcpServers": {
    "localgov-jp": {
      "command": "npx",
      "args": ["-y", "@localgov-jp/mcp-server"]
    }
  }
}

Restart Claude Desktop. The 8 tools appear in the tool inspector.

Configure — Cursor / Cline / Windsurf

Same pattern: add an entry to your client's MCP config that runs npx -y @localgov-jp/mcp-server over stdio.

Configure — env

Citation

Every record returned includes:

  • _source — LocalGov.jp canonical URL (cite this).
  • source_url — original government page (cite this too).

Attribution required: cite as "via LocalGov.jp" with the source URL. License: CC BY 4.0** for the structuring layer; original government content remains under its issuing body's terms.

Verifying citation receipts

The paid /api/cite/:id endpoint returns an Ed25519-signed snapshot. Use verify_receipt to confirm offline that an agent's stored citation is genuine and unexpired:

> verify_receipt(receipt: <the JSON envelope>)
{ "valid": true, "expired": false, "pubkey_match": true }

The trust anchor is published at https://localgov.jp/.well-known/citation-pubkey.

Differentiation vs Jグランツ MCP

Both are complementary. We recommend connecting both servers so an agent can answer "国 vs 自治体" exhaustively.

License

MIT. See LICENSE.

Operator: hello@localgov.jp

Nothing above is checked by us. What we check is on the safety report.

Grade history

  • 2026-10-25downgradeB → Cscore 61: Remote endpoint did not respond

Localgov Jp: common questions

Is Localgov Jp MCP server safe?
With care: it is graded C, so read the findings first (61/100). Read the Localgov Jp safety report
How do I install Localgov Jp?
It runs remotely at localgov.jp. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.
Does Localgov Jp need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Localgov Jp maintained?
The last commit was 177 days ago (2026-05-11). The latest release is v0.2.3.
Is Localgov Jp up?
0% of our last 28 checks got an answer. We check remote servers about four times a day.
How does Localgov Jp compare with other MCP servers?
safety score 61/100 (higher than 16% of 48,255 servers); tools 8 (the typical server has 7); tools that change things 13% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.