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MCPNavi
MCP services: connect your AI agent to data and tools
1 follower
MCP services: connect your AI agent to data and tools
1 follower
A directory of MCP services that connect AI agents like ChatGPT and Claude to data and tools. Every service lists compatible agents and connection methods. All data is read from public pages, and every service shows the date it was last checked.
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ArticosTest your messaging on your audience, right inside Claude or ChatGPT
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Hi Product Hunt, I'm (we're) the maker of mcpnavi.jp.
MCP (Model Context Protocol) servers are the plugins that let ChatGPT, Claude and other agents reach your data and tools. There are now hundreds of them, spread across GitHub, npm, PyPI and vendor sites. Before you can use one you need to answer the same questions every time: Is it hosted, or do I run it myself? What authentication does it take? Which transport? Does it cost money? Is there documentation and support in Japanese?
mcpnavi answers those questions in one place. Today it lists 249 services in 22 categories, from GitHub and Cloudflare to Japanese government open data and accounting SaaS. 136 of them have Japanese documentation or support, which matters a lot for teams in Japan.
Three rules shaped the site:
Every value is read from a public page (the server itself, GitHub, npm, PyPI or the official site), and the source URL is stored with it. No vendor self-reporting, no reviews, no ratings.
Every service shows one "last checked" date, so you know how old the information is.
"Unknown" is a real value. If the public page does not say, the field says Unknown. Nothing is guessed.
Each provider has its own page too, with the type of operator (company, individual, open source, government) and whether it has a Japanese entity.
The site is static HTML, Japanese first with English at /en/, and it ships /llms.txt and /llms-full.txt so agents can read the whole directory as plain text.
Feedback I would value most:
Which fields are missing when you pick an MCP server?
Is "Unknown" useful, or is it noise on the cards?
Which services should be listed next? There is a listing request form on the site, and I read every request.
Thank you for taking a look.