Localgov Jp MCP

Name: Localgov Jp MCP
Author: localgov-jp

by localgov-jpversion 0.2.3i★ –iComputer or cloud

Registry nameio.github.localgov-jp/mcp-server

Install

Overview

Description from the maker (original English)

Japan central + municipal subsidies (20,810 grants, 1,627 munis). 8 tools beyond Jグランツ MCP.

PopNx MCP’s three pillars

These three are never merged into one score: opinions, measurements and popularity are different things.

User voiceiNo reviews yetReviews open together with accounts in a later step
Our basic checksi1 of 1 passedChecked from public information; code not scanned yet
UsageiNot measured yet★ –

What you can do with it

We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.

Connection: Computer or cloud
Transport: stdio, Streamable HTTP
Category: Other

Install

Pick the AI app you use, then copy the settings.

Before you install

Basic checks: 1 of 1 passed
Runs on the maker’s server: what you ask it goes through their server.
The registry lists no key to fill in.

You need

Runs in the cloudNothing to install; it connects over the internet
npmNode.js installed (for the npx command)

Which app do you use?

ClaudeClaude CodeCursorVS CodeChatGPT

Pick your app above. We remember it, so next time the button says “Install in …”.

Works in Claude on the web, desktop and mobile:

Open Settings → Connectors
Press Add custom connector
Paste the address below and press Add
If it asks you to sign in, sign in with the maker

https://localgov.jp/mcp

Or run it on your computer

Open Claude Desktop → Settings → Developer → Edit Config, and paste this into claude_desktop_config.json

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

Run this in your terminal

claude mcp add --transport http localgov-jp https://localgov.jp/mcp

Or run it on your computer

claude mcp add localgov-jp -- npx -y @localgov-jp/mcp-server

Open in Cursor

Or copy the settings yourself

Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json

{
  "mcpServers": {
    "localgov-jp": {
      "url": "https://localgov.jp/mcp"
    }
  }
}

Or run it on your computer

Open in Cursor

Or copy the settings yourself

Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json

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

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

Open in VS Code

Or copy the settings yourself

Paste into .vscode/mcp.json in your project

{
  "servers": {
    "localgov-jp": {
      "type": "http",
      "url": "https://localgov.jp/mcp"
    }
  }
}

Or run it on your computer

Open in VS Code

Or copy the settings yourself

Paste into .vscode/mcp.json in your project

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

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

ChatGPT connects only to servers on the internet:

Open ChatGPT on the web → Settings → Connectors (Apps)
Press Create or Add (some plans need Developer mode under Advanced first)
Paste the address below, give it a name and save
If it asks you to sign in, sign in with the maker

https://localgov.jp/mcp

Menu names can differ slightly by plan and over time.

Your choice stays on this device in a cookie; no account needed.

These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.

What it can do

We have not read this server’s tool list yet; we check endpoints in rotation.

Basic checksi

We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 7, 2026

✓ Pass
Maker matches the repo
The registry name was verified with the GitHub account localgov-jp, which owns the repo
… Not checked yet
Still maintained
We have not read this repo from GitHub yet
… Not checked yet
Has a licence
We have not read this repo from GitHub yet
… Not checked yet
Endpoint responds
Not checked yet; we check endpoints in rotation
… Not checked yet
Sign-in with OAuth
Not checked yet; we check endpoints in rotation
… Not checked yet
No hidden instructions in tool descriptions
Not checked yet; we read the tool list when we check the endpoint

Compared with others in Otheri

More stars than 0% of the other 32572 servers in this category
Published to the registry more recently than 9% of the other 32572 servers in this category
Basic checks equal to or better than 100% of the other 32572 servers in this category

Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.

Common questions

Is Localgov Jp MCP safe?

It passed 1 of 1 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.

What keys or codes does it need?

The registry does not list a required key, though some servers ask you to sign in on first use.

Does it run on my computer or in the cloud?

Either way works: install it on your computer or connect to the cloud version.

Is it still maintained?

The GitHub repo last changed –, and the latest version (0.2.3) reached the registry 6 months ago.

Which apps can use it?

Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. It connects by URL, so apps that accept remote MCP servers work too, such as ChatGPT in developer mode.

What can I use instead?

In the same category: Spec Driven Development, Remote Desktop Commander, AvaHR

Alternatives

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README from the maker

Open the README

Copied from the maker’s repo as written. PopNx MCP has not reviewed or endorsed it. HTML, images and scripts are removed. Links lead off this site.

@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

#	Tool	Cost	Purpose
1	`search_subsidies`	free	Search by keyword / prefecture / municipality / category / amount
2	`get_subsidy_detail`	free	Single record with citation anchor
3	`get_municipality_grants`	free	All subsidies for one JIS code (1,627 municipalities covered)
4	`find_supplementary_grants`	free	Find municipal "上乗せ" grants stacking on a national subsidy
5	`compare_municipal_subsidies`	free	Compare same-category grants across nearby municipalities (siting / relocation)
6	`subscribe_changes`	$0.20	Push webhook on grant changes (paid via x402; agent runtime handles payment)
7	`verify_receipt`	free	Offline Ed25519 signature verification of citation receipts
8	`find_practitioner`	free (referral)	Recommend 行政書士 / 税理士 / 中小企業診断士 / 社労士 for the grant

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/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.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

Variable	Default	Purpose
`LOCALGOV_API_BASE`	`https://localgov.jp`	Override the REST API base (e.g. `http://127.0.0.1:8787` for local wrangler dev)

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

	Jグランツ MCP (デジタル庁公式)	LocalGov.jp MCP (this)
Coverage	central + prefectural	1,627 municipalities (target 1,718) + central
Municipal subsidies	0	20,810 unique to us
`find_supplementary_grants`	✗	✓
`compare_municipal_subsidies`	✗	✓
`find_practitioner`	✗	✓ (referral funnel)
Citation receipts (Ed25519)	✗	✓
Change webhook	✗	✓ (x402 paid)

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

Localgov Jp MCP

Overview

PopNx MCP’s three pillars

What you can do with it

Install

Before you install

Or run it on your computer

Or run it on your computer

Or run it on your computer

Or run it on your computer

What it can do

Basic checksi

Maker matches the repo

Still maintained

Has a licence

Endpoint responds

Sign-in with OAuth

No hidden instructions in tool descriptions

Compared with others in Otheri

Common questions

Alternatives

Spec Driven Development

Remote Desktop Commander

AvaHR

README from the maker

@localgov-jp/mcp-server

Tools

Install

Configure — Claude Desktop

Configure — Cursor / Cline / Windsurf

Configure — env

Citation

Verifying citation receipts

Differentiation vs Jグランツ MCP

License