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Smeltr Token-2022

Official registry Other

Validate Token-2022 configs (transfer fee, soulbound, delegate). Read-only — no keys or RPC.

Source code Website Documentation

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

NPM package @smeltr/mcp-server
Claude Code 
claude mcp add smeltr-token-2022 -- npx -y @smeltr/mcp-server@0.1.1
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "smeltr-token-2022": {
            "command": "npx",
            "args": [
                "-y",
                "@smeltr/mcp-server@0.1.1"
            ]
        }
    }
}

Documentation

From the project's README on GitHub, refreshed weekly. Links open on GitHub.

Contents
  1. Smeltr
  2. Setup
  3. Testing
  4. MCP server (AI assistants)
  5. Status

Smeltr

Non-custodial Token-2022 deployment infrastructure for Solana.

The non-custodial guarantee: Smeltr builds transaction instructions. Your wallet signs them. assertNoPlatformAuthority() runs on every authority field in every module before any instruction is constructed, and the source for that check lives in packages/module-registry in this repository — the guarantee is inspectable, not just asserted.

Extensions: Transfer Fee · Non-Transferable · Permanent Delegate · Arweave metadata

Setup

npm install
cp .env.example apps/web/.env
# fill in DATABASE_URL, SESSION_JWT_SECRET, NEXT_PUBLIC_APP_DOMAIN, etc.

# Generate the Prisma client + run migrations (from apps/web)
cd apps/web
npx prisma generate
npx prisma migrate dev
cd ../..

npm run dev

Testing

# Unit tests (no validator needed)
npm run test:registry

# Full CI suite (registry unit + web route/lib tests)
npm run test:ci

# Devnet integration test (requires `solana-test-validator` running locally)
cd packages/tx-builder && npm run test:devnet

MCP server (AI assistants)

Smeltr exposes its Token-2022 validation engine as an MCP server for Claude Desktop, Cursor, and other assistants.

npx -y @smeltr/mcp-server

Docs: **https://smeltr.org/docs/mcp** · Source: packages/mcp-server · Launch guide: docs/MCP_LAUNCH.md

Status

The core deploy flow (module selection -> metadata -> review -> sign -> add metadata -> dashboard/resume) is implemented end to end and covered by the npm run test:ci suite. See CLAUDE.md for architecture context and docs/INVARIANTS.md for the review checklist.

Frequently asked questions

What is Smeltr Token-2022?

Validate Token-2022 configs (transfer fee, soulbound, delegate). Read-only — no keys or RPC.

How do I install Smeltr Token-2022?

It runs on your machine. In Claude Code: claude mcp add smeltr-token-2022 -- npx -y @smeltr/mcp-server@0.1.1. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Smeltr Token-2022 need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Is Smeltr Token-2022 open source?

Its code is public on GitHub, but the repository does not declare a standard license.

Who maintains Smeltr Token-2022?

It is published by Space-Raven. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.