io.github.stillmarcus24/stillos-swap-mcp

stillos-swap-mcp

Non-custodial Solana swap via Jupiter, 0.25% fee, free scam-check on every token you buy.

19/wk 2 tools GitHub npm

No known CVEs

MIT license

Maintained

Last commit 33d ago

Works with most clients

Transport: stdio

2 tools · ~124 tok

Grade A · 0.1% of 200K ctx

MCPpedia last refreshed this data 17h ago

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io.github.stillmarcus24/stillos-swap-mcp is an MCP server that non-custodial Solana swap via Jupiter, 0.25% fee, free scam-check on every token you buy. Its tool list has not been published yet over stdio, requires no API key, and scores 79/100 on MCPpedia's security, maintenance and efficiency rubric.

Other

Step 1

Install in your client

Config is the same across clients - only the file and path differ.

Supported in Claude Desktopstdio · Node 18+

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "stillos-swap": {
      "args": [
        "-y",
        "stillos-swap-mcp",
        "mcp"
      ],
      "command": "npx"
    }
  }
}

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[![MCPpedia Score](https://mcppedia.org/api/badge/io-github-stillmarcus24-stillos-swap-mcp)](https://mcppedia.org/s/io-github-stillmarcus24-stillos-swap-mcp)

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What io.github.stillmarcus24/stillos-swap-mcp does

Non-custodial Solana swap via Jupiter, 0.25% fee, free scam-check on every token you buy.

Test This Server

Run this in your terminal to verify the server starts. Then let us know if it worked - your result helps other developers.

npx -y 'stillos-swap-mcp' 2>&1 | head -1 && echo "✓ Server started successfully"

After testing, let us know if it worked:

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Scored, not listed

Why this score

Five weighted categories - click any category to see the underlying evidence.

Score breakdown

79/100across 5 weighted dimensions

How we score →

0255075100

−21

Security

Maintenance

Efficiency

Documentation

Compatibility

Categoriesclick a row to see evidence

Security

OSV.dev

No known CVEs.

Checked stillos-swap-mcp against OSV.dev.

Inventory

Tools (2)

Click any tool to inspect its schema.

~124 tokens total

Community

Reviews

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How easy was setup?Did it work reliably?How was the documentation?

Frequently Asked Questions

Is io.github.stillmarcus24/stillos-swap-mcp safe to use?: io.github.stillmarcus24/stillos-swap-mcp has no known CVEs as of the latest MCPpedia security scan. Authentication requirements were not detected automatically - check the project's documentation before connecting in a shared environment. Licensed under MIT.
How do I install io.github.stillmarcus24/stillos-swap-mcp?: io.github.stillmarcus24/stillos-swap-mcp supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.
What can io.github.stillmarcus24/stillos-swap-mcp do?: io.github.stillmarcus24/stillos-swap-mcp provides 2 tools: MCP, Tools. See the full tools list on the server page for descriptions and parameters.
What AI clients work with io.github.stillmarcus24/stillos-swap-mcp?: io.github.stillmarcus24/stillos-swap-mcp is compatible with claude-desktop, cursor, claude-code. It uses stdio transport.
Is io.github.stillmarcus24/stillos-swap-mcp actively maintained?: io.github.stillmarcus24/stillos-swap-mcp is recently maintained - last commit was 33 days ago.

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Community

Discussion

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Has anyone used this with Cursor?How do you handle auth?Any alternatives?

stillos-swap-mcp

Non-custodial Solana swap routing for agents. Best-price execution via Jupiter, a flat 0.25% router fee (cheaper than Trojan/Photon/GMGN at 0.5–1%), and a free on-chain scam-check on every token you buy.

You keep custody. The tool returns an unsigned transaction — you sign it with your own key and broadcast. StillOS never touches your funds.

MCP

{ "mcpServers": { "stillos-swap": { "command": "npx", "args": ["-y", "stillos-swap-mcp", "mcp"] } } }

Tools

build_solana_swap — { userPublicKey, inputMint, outputMint, amount } → { swapTransaction (base64, unsigned), expectedOut, route, routerFee, safety }. Sign and send the transaction yourself. When buying a non-stablecoin, safety carries an on-chain verdict (CLEAN / TRAP) based on live mint & freeze authority.

token_scam_check — { mint } → { verdict (CLEAN/RISK/UNKNOWN), mintAuthority, freezeAuthority, flags }. Established issuer tokens (USDC/USDT/SOL) are allowlisted. Read-only, no keys.

Why the scam-check matters

A live mint authority means the dev can print unlimited supply and dilute you to zero. A live freeze authority means the dev can freeze your tokens so you can never sell. Both are the most common rug vectors on pump.fun. This checks them before you buy — free.

SOLANA_RPC env var overrides the default public RPC for the safety check.

MIT · StillOS / NolaWealth

Frequently Asked Questions

Is io.github.stillmarcus24/stillos-swap-mcp safe to use?

io.github.stillmarcus24/stillos-swap-mcp has no known CVEs as of the latest MCPpedia security scan. Authentication requirements were not detected automatically - check the project's documentation before connecting in a shared environment. Licensed under MIT.

How do I install io.github.stillmarcus24/stillos-swap-mcp?

io.github.stillmarcus24/stillos-swap-mcp supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.

What can io.github.stillmarcus24/stillos-swap-mcp do?

io.github.stillmarcus24/stillos-swap-mcp provides 2 tools: MCP, Tools. See the full tools list on the server page for descriptions and parameters.

What AI clients work with io.github.stillmarcus24/stillos-swap-mcp?

io.github.stillmarcus24/stillos-swap-mcp is compatible with claude-desktop, cursor, claude-code. It uses stdio transport.

Is io.github.stillmarcus24/stillos-swap-mcp actively maintained?

io.github.stillmarcus24/stillos-swap-mcp is recently maintained - last commit was 33 days ago.

stillos-swap-mcp

You keep custody. The tool returns an unsigned transaction — you sign it with your own key and broadcast. StillOS never touches your funds.

MCP

{
  "mcpServers": {
    "stillos-swap": { "command": "npx", "args": ["-y", "stillos-swap-mcp", "mcp"] }
  }
}

Tools

build_solana_swap — { userPublicKey, inputMint, outputMint, amount } → { swapTransaction (base64, unsigned), expectedOut, route, routerFee, safety }. Sign and send the transaction yourself. When buying a non-stablecoin, safety carries an on-chain verdict (CLEAN / TRAP) based on live mint & freeze authority.
token_scam_check — { mint } → { verdict (CLEAN/RISK/UNKNOWN), mintAuthority, freezeAuthority, flags }. Established issuer tokens (USDC/USDT/SOL) are allowlisted. Read-only, no keys.

CLI

npx stillos-swap-mcp check <mint>
npx stillos-swap-mcp swap <yourPubkey> SOL USDC 0.5

Why the scam-check matters

SOLANA_RPC env var overrides the default public RPC for the safety check.

MIT · StillOS / NolaWealth