Smeltrbeta

Smeltr is in public beta. Token deployments are real and permanent on Solana mainnet. All transactions are signed by your wallet — Smeltr never holds your keys or funds. Use at your own risk. Not financial advice.

Model Context Protocol

Smeltr MCP Server

Give AI assistants access to Smeltr's real Token-2022 validation engine. Read-only — no private keys, no RPC, no on-chain actions. Same logic as smeltr.org/deploy.

Tools

list_modules
All supported Token-2022 modules with descriptions and high-impact flags.
describe_module
Parameter specs, valid ranges, authority fields, and security notes for one module.
validate_config
Run the real compatibility engine + Zod schemas. Returns errors, warnings, and parameter issues.
estimate_cost
Platform fee (0.03 SOL) plus estimated mint rent for a module selection.

Install (npm)

npx -y @smeltr/mcp-server

Package: @smeltr/mcp-server on npm. Monorepo source: packages/mcp-server.

Claude Desktop

Add to claude_desktop_config.json:

{
  "mcpServers": {
    "smeltr-token2022": {
      "command": "npx",
      "args": ["-y", "@smeltr/mcp-server"]
    }
  }
}

Cursor

Add to Cursor MCP settings (.cursor/mcp.json or Settings → MCP):

{
  "mcpServers": {
    "smeltr-token2022": {
      "command": "npx",
      "args": ["-y", "@smeltr/mcp-server"]
    }
  }
}

From source (monorepo)

npx tsx packages/mcp-server/src/server.ts

Example prompt for your assistant

"Use Smeltr to validate a Token-2022 config with 250 basis-point transfer fee, max fee 1M base units, and check compatibility if I also add non-transferable."

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