LocalGov.jp
Japan central + municipal subsidy data for AI agents. **Coverage**: 20,810 municipal grants across 1,627 municipalities (JIS X 0402) + 3,250 central J-Grants entries — **municipal-level data the official Jグランツ MCP does not provide**. ## 8 tools - `search_subsidies` — keyword / prefecture / municipality / category / amount - `get_subsidy_detail` — full record with citation anchor - `get_municipality_grants` — all grants for one JIS code - `find_supplementary_grants` — municipal grants stacking on a national subsidy - `compare_municipal_subsidies` — same-category grants across nearby municipalities - `subscribe_changes` — webhook on grant changes (paid via x402) - `verify_receipt` — Ed25519 citation receipt verification - `find_practitioner` — recommend 行政書士 / 税理士 / 中小企業診断士 / 社労士 for the grant (informational, not brokering) ## Citation License: **CC BY 4.0**. Cite as "**via LocalGov.jp**" with the `_source` URL. Each record also carries `source_url` pointing to the original government page. ## Differentiation vs Jグランツ MCP | | Jグランツ MCP (Digital Agency, official) | LocalGov.jp (this) | |---|---|---| | Central government | ✓ | ✓ | | Prefectural | ✓ (partial) | ✓ | | **Municipal (1,627 cities/towns/villages)** | **0 entries** | **20,810** | | Practitioner referral | ✗ | ✓ | | Ed25519 citation receipts | ✗ | ✓ | Recommended: connect **both** servers for exhaustive "national + municipal" coverage.
How to connect
https://mcp-server--localgov-jp.run.tools
tools/list returns the expected tools before relying on them in production.Tools
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search_subsidiesSearch Japanese central + municipal subsidies. Combine keyword (Japanese), prefecture, municipality_code, category, or minimum amount. Returns up to `limit` records. Free.
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get_subsidy_detailFetch 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.
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get_municipality_grantsList 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.
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find_supplementary_grantsGiven 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.
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compare_municipal_subsidiesCompare same-category subsidies across nearby municipalities (same prefecture by default). Useful for relocation / siting decisions. Free.
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subscribe_changesCreate 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.
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verify_receiptReturn LocalGov.jp's Ed25519 public key (for offline citation-receipt verification). Callers verify receipt signatures using WebCrypto with this key.
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find_practitionerRecommend 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.