SERVER

Shinjuku Shielded

Rank #3,177

io.github.ShinjukuStaition/shinjuku-mcp

Private x402 payments on Solana: shield, pay, and unshield USDC under caps you set.

63 versions

2 GitHub stars

by ShinjukuStaition (1 servers)View repository ↗

First listed

Oct 8, 2026

Last publish date

Oct 22, 2026

PURPOSE

What you can do with Shinjuku Shielded

Shinjuku Shielded is a Model Context Protocol (MCP) server published by ShinjukuStaition. It ranks #3,177 of 150,963 active servers on MCP Toplist, and its repository has 2 GitHub stars. Shinjuku Shielded is listed on Official MCP, with 63 tracked versions. It was first listed on Oct 8, 2026 and most recently updated on Oct 22, 2026.

Not verifiedMCP Toplist has not yet written a checked profile for this server, so the paragraph above is assembled from registry data only. The repository README is the authority on what it does.

CAPABILITIES AND LIMITATIONS

What Shinjuku Shielded can and cannot do

Not verifiedMCP Toplist has not catalogued this server's tools or limitations. The repository README lists them.

REQUIREMENTS

What you need before using Shinjuku Shielded

DeclaredNo credentialsNo credentials declared

The registry listing declares no required environment variables or authentication. This is declared metadata, not a verified install — the repository README is the authority.

Declared by the Official MCP Registry, last synced Oct 22, 2026. Not independently verified by MCP Toplist.

Declared in the registry install config

SHIELDED_WALLET_HOME · optional
SHIELDED_WALLET_PASSPHRASE · optional

INSTALLATION AND FIRST TASK

Connect Shinjuku Shielded and confirm it works

npm package

claude mcp add shinjuku-mcp -e "SHIELDED_WALLET_HOME=<your SHIELDED_WALLET_HOME>" -e "SHIELDED_WALLET_PASSPHRASE=<your SHIELDED_WALLET_PASSPHRASE>" -- npx -y shinjuku-shielded mcp --pool CDtxyRjCUs2pu7t3U9TwtpnZwyxBFZ4dKXvb4RCmXHXv --program 8PYPw3FSFTMbvSneXdcoH6jNoN4VD23nHwPY2A2riUy1 --memo-service https://pay.shinjukustaition.com

Replace each placeholder with your own value before saving.

npm package

[mcp_servers.shinjuku-mcp]
command = "npx"
args = ["-y", "shinjuku-shielded", "mcp", "--pool", "CDtxyRjCUs2pu7t3U9TwtpnZwyxBFZ4dKXvb4RCmXHXv", "--program", "8PYPw3FSFTMbvSneXdcoH6jNoN4VD23nHwPY2A2riUy1", "--memo-service", "https://pay.shinjukustaition.com"]

[mcp_servers.shinjuku-mcp.env]
SHIELDED_WALLET_HOME = "<your SHIELDED_WALLET_HOME>"
SHIELDED_WALLET_PASSPHRASE = "<your SHIELDED_WALLET_PASSPHRASE>"

Add to ~/.codex/config.toml. Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "shinjuku-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "shinjuku-shielded",
        "mcp",
        "--pool",
        "CDtxyRjCUs2pu7t3U9TwtpnZwyxBFZ4dKXvb4RCmXHXv",
        "--program",
        "8PYPw3FSFTMbvSneXdcoH6jNoN4VD23nHwPY2A2riUy1",
        "--memo-service",
        "https://pay.shinjukustaition.com"
      ],
      "env": {
        "SHIELDED_WALLET_HOME": "<your SHIELDED_WALLET_HOME>",
        "SHIELDED_WALLET_PASSPHRASE": "<your SHIELDED_WALLET_PASSPHRASE>"
      }
    }
  }
}

Add to claude_desktop_config.json (Settings → Developer → Edit Config). Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "shinjuku-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "shinjuku-shielded",
        "mcp",
        "--pool",
        "CDtxyRjCUs2pu7t3U9TwtpnZwyxBFZ4dKXvb4RCmXHXv",
        "--program",
        "8PYPw3FSFTMbvSneXdcoH6jNoN4VD23nHwPY2A2riUy1",
        "--memo-service",
        "https://pay.shinjukustaition.com"
      ],
      "env": {
        "SHIELDED_WALLET_HOME": "<your SHIELDED_WALLET_HOME>",
        "SHIELDED_WALLET_PASSPHRASE": "<your SHIELDED_WALLET_PASSPHRASE>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project). Replace each placeholder with your own value before saving.

npm package

{
  "servers": {
    "shinjuku-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "shinjuku-shielded",
        "mcp",
        "--pool",
        "CDtxyRjCUs2pu7t3U9TwtpnZwyxBFZ4dKXvb4RCmXHXv",
        "--program",
        "8PYPw3FSFTMbvSneXdcoH6jNoN4VD23nHwPY2A2riUy1",
        "--memo-service",
        "https://pay.shinjukustaition.com"
      ],
      "env": {
        "SHIELDED_WALLET_HOME": "<your SHIELDED_WALLET_HOME>",
        "SHIELDED_WALLET_PASSPHRASE": "<your SHIELDED_WALLET_PASSPHRASE>"
      }
    }
  }
}

Save as .vscode/mcp.json in your workspace. Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "shinjuku-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "shinjuku-shielded",
        "mcp",
        "--pool",
        "CDtxyRjCUs2pu7t3U9TwtpnZwyxBFZ4dKXvb4RCmXHXv",
        "--program",
        "8PYPw3FSFTMbvSneXdcoH6jNoN4VD23nHwPY2A2riUy1",
        "--memo-service",
        "https://pay.shinjukustaition.com"
      ],
      "env": {
        "SHIELDED_WALLET_HOME": "<your SHIELDED_WALLET_HOME>",
        "SHIELDED_WALLET_PASSPHRASE": "<your SHIELDED_WALLET_PASSPHRASE>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json. Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "shinjuku-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "shinjuku-shielded",
        "mcp",
        "--pool",
        "CDtxyRjCUs2pu7t3U9TwtpnZwyxBFZ4dKXvb4RCmXHXv",
        "--program",
        "8PYPw3FSFTMbvSneXdcoH6jNoN4VD23nHwPY2A2riUy1",
        "--memo-service",
        "https://pay.shinjukustaition.com"
      ],
      "env": {
        "SHIELDED_WALLET_HOME": "<your SHIELDED_WALLET_HOME>",
        "SHIELDED_WALLET_PASSPHRASE": "<your SHIELDED_WALLET_PASSPHRASE>"
      }
    }
  }
}

Replace each placeholder with your own value before saving.

First successful task

After adding the config, ask your client to list this server's tools. A tool list confirms the connection; an empty list or an error means the server did not start or needs credentials.

MAINTENANCE AND EVIDENCE

What changed, and when this was checked

First listed: Oct 8, 2026
Latest version published: Oct 22, 2026
Version history: 63 versions tracked (below)
Requirements evidence: Declared by the Official MCP Registry, last synced Oct 22, 2026. Not independently verified by MCP Toplist.
Profile checked: Not yet — purpose, capabilities and requirements above come from registry data only
Ranking data as of: Oct 22, 2026

Registry sightings

Official MCP ↗listed since Oct 8, 2026 · still listed

Do you maintain Shinjuku Shielded? to correct or enrich this profile.

VERSIONS

Available versions (63)

Version	Published
0.3.67	Oct 22, 2026
0.3.66	Oct 22, 2026
0.3.65	Oct 22, 2026
0.3.64	Oct 22, 2026
0.3.63	Oct 22, 2026
0.3.62	Oct 22, 2026
0.3.61	Oct 22, 2026
0.3.60	Oct 22, 2026
0.3.59	Oct 22, 2026
0.3.58	Oct 22, 2026
0.3.57	Oct 22, 2026
0.3.56	Oct 21, 2026
0.3.55	Oct 21, 2026
0.3.54	Oct 21, 2026
0.3.53	Oct 20, 2026
0.3.52	Oct 19, 2026
0.3.51	Oct 18, 2026
0.3.50	Oct 18, 2026
0.3.49	Oct 16, 2026
0.3.48	Oct 16, 2026
0.3.47	Oct 16, 2026
0.3.46	Oct 16, 2026
0.3.45	Oct 16, 2026
0.3.44	Oct 16, 2026
0.3.43	Oct 16, 2026
0.3.42	Oct 16, 2026
0.3.41	Oct 16, 2026
0.3.40	Oct 16, 2026
0.3.39	Oct 15, 2026
0.3.38	Oct 15, 2026
0.3.37	Oct 15, 2026
0.3.36	Oct 15, 2026
0.3.35	Oct 15, 2026
0.3.34	Oct 15, 2026
0.3.33	Oct 15, 2026
0.3.32	Oct 15, 2026
0.3.31	Oct 15, 2026
0.3.30	Oct 15, 2026
0.3.29	Oct 15, 2026
0.3.28	Oct 15, 2026
0.3.27	Oct 15, 2026
0.3.26	Oct 15, 2026
0.3.25	Oct 14, 2026
0.3.24	Oct 14, 2026
0.3.23	Oct 14, 2026
0.3.22	Oct 14, 2026
0.3.21	Oct 14, 2026
0.3.20	Oct 14, 2026
0.3.19	Oct 14, 2026
0.3.18	Oct 13, 2026
0.3.17	Oct 13, 2026
0.3.16	Oct 13, 2026
0.3.15	Oct 13, 2026
0.3.8	Oct 11, 2026
0.3.7	Oct 11, 2026
0.3.6	Oct 11, 2026
0.3.5	Oct 10, 2026
0.3.4	Oct 9, 2026
0.3.3	Oct 9, 2026
0.3.2	Oct 8, 2026
0.3.1	Oct 8, 2026
0.2.0	Oct 8, 2026
0.1.1	Oct 8, 2026

STANDING

#3,177of 150,963 active serversTop 5%

Ranks ahead of 147,786 of 150,963 servers on MCP Toplist.

BADGE

Show your rank

Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.

Markdown

[![MCP Toplist](https://mcptoplist.com/badge/io.github.ShinjukuStaition%2Fshinjuku-mcp.svg)](https://mcptoplist.com/server/io.github.ShinjukuStaition%2Fshinjuku-mcp)

HTML

<a href="https://mcptoplist.com/server/io.github.ShinjukuStaition%2Fshinjuku-mcp"><img src="https://mcptoplist.com/badge/io.github.ShinjukuStaition%2Fshinjuku-mcp.svg" alt="MCP Toplist: Top 5% of 150,963" /></a>

Variants: append ?metric=score or ?metric=stars to the image URL.

FAQ

Frequently asked questions

Who maintains Shinjuku Shielded?: Shinjuku Shielded is maintained by ShinjukuStaition, which publishes 1 MCP server (63 total versions) tracked on MCP Toplist.
Is Shinjuku Shielded listed on the Official MCP Registry?: Yes — Shinjuku Shielded is listed on the Official MCP Registry.
How many versions does Shinjuku Shielded have?: MCP Toplist tracks 63 versions of Shinjuku Shielded, most recently published on Oct 22, 2026.
Where can I find the source code for Shinjuku Shielded?: The source code for Shinjuku Shielded is hosted at github.com/ShinjukuStaition/shinjuku-mcp.

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