Printr

io.github.PrintrFiPublished by GitHub account PrintrFiv0.4.1Updated Oct 24, 2026

Let AI agents create, discover, and track tokens across chains via Printr.

VerifiedSTDIODesktop onlyFinanceDeveloper Tools

Overview

AI-generated overview

Printr's local MCP server lets an AI assistant quote, create, sign, launch and track cross-chain tokens on EVM chains and Solana.

What you can do
  • Quote token creation costs and create unsigned token creation payloads
  • Launch tokens by signing and submitting in one call, or sign and submit EVM and Solana transactions separately
  • Look up token details by ID or address and check deployment status across target chains
  • Start a browser signing session with MetaMask or Phantom
  • Generate token avatar images through OpenRouter when a key is configured
  • Wallet, balance, transfer, fee and staking tools are described in the bundled skill file
When to use it
Useful when you want an assistant to help launch or research tokens on Printr's cross-chain launchpad, estimate creation costs, or track deployments, with signing either done by you in a browser wallet or delegated to a configured key.
Requirements
Runs locally via npx or bunx from the npm package @printr/mcp, so Node.js or Bun is needed. No API key is required to start; PRINTR_API_KEY is optional and falls back to a public key. Optional: OPENROUTER_API_KEY for image generation, EVM_WALLET_PRIVATE_KEY and SVM_WALLET_PRIVATE_KEY for autonomous signing, PRINTR_DEPLOYMENT_PASSWORD for funding deployment wallets. Network access to the Printr API.
Before you install
The server can create and submit real on-chain transactions that spend funds. Setting EVM_WALLET_PRIVATE_KEY or SVM_WALLET_PRIVATE_KEY lets the agent sign and submit without prompting, so keep these secrets out of shared configs and prefer environment-level secrets. PRINTR_DEPLOYMENT_PASSWORD encrypts deployment wallets. Token data and image prompts go to Printr's API and, for images, to OpenRouter.

Installation

In SourceWeft

  1. Open Printr in the dashboard and add it to a workspace.
  2. Enable the server for the chats that should use its tools.

Desktop only via STDIO. STDIO servers start a local process, so they need the SourceWeft desktop host.

Other MCP clients

Follow the launch instructions in the repository.

README

@printr/mcp

[npm version] [npm downloads] [license] [CI] [codecov] [skills.sh]

MCP server for Printr — the cross-chain token launchpad built for holders. Lets AI agents launch, stake, and graduate tokens across EVM chains and Solana.

No API key required. Works out of the box.

📖 Documentation

Setup

Add to your MCP client config (Claude Desktop, Cursor, etc.):

json
{    "mcpServers": {        "printr": {            "command": "npx",            "args": ["-y", "@printr/mcp@latest"]        }    }}

Or with bunx:

json
{    "mcpServers": {        "printr": {            "command": "bunx",            "args": ["@printr/mcp@latest"]        }    }}

Skill (optional, complements the MCP config above)

In addition to the MCP config, install the Printr skill to give your agent built-in guidance on when and how to use these tools. Compatible with Claude Code, Cursor, Codex, OpenCode, and 50+ other runtimes.

sh
npx skills add PrintrFi/printr-mcp

Preview without installing:

sh
npx skills add PrintrFi/printr-mcp --list

The skill is auto-discovered from packages/cli/skills/printr/SKILL.md. See the skill definition for the full tool list and behavioral hints.

Optional capabilities

Auto-generate token images

Set OPENROUTER_API_KEY and the agent will generate an image automatically when you create a token without supplying one. The printr_generate_image tool also becomes available for standalone image generation.

json
"env": {    "OPENROUTER_API_KEY": "<your-openrouter-key>"}

Let the agent sign transactions autonomously

By default, token creation returns an unsigned transaction that you sign via browser wallet or by passing a private key per call. If you want the agent to sign and submit without prompting, set a default key:

json
"env": {    "EVM_WALLET_PRIVATE_KEY": "<hex-private-key>",    "SVM_WALLET_PRIVATE_KEY": "<base58-keypair-secret>"}

Keep private keys out of shared configs. Use environment-level secrets when possible.

Tools

ToolDescription
printr_quoteGet cost estimates for token creation
printr_create_tokenGenerate an unsigned token creation tx payload
printr_launch_tokenCreate and sign a token in one call
printr_get_tokenLook up token details by ID or address
printr_get_deploymentsCheck deployment status across target chains
printr_sign_and_submit_evmSign and submit an EVM tx payload
printr_sign_and_submit_svmSign and submit a Solana tx payload
printr_open_web_signerStart a browser signing session (MetaMask / Phantom)
printr_generate_imageGenerate a token avatar via OpenRouter (requires OPENROUTER_API_KEY)

For the full tool list including wallet, balance, transfer, fees, and staking tools, see packages/cli/skills/printr/SKILL.md.

Environment variables

VariableDescription
PRINTR_API_KEYPartner API key. Falls back to the default public AI-integration key.
OPENROUTER_API_KEYEnables auto image generation and the printr_generate_image tool
OPENROUTER_IMAGE_MODELImage model override (default: google/gemini-2.5-flash-image)
EVM_WALLET_PRIVATE_KEYDefault EVM private key for autonomous signing
SVM_WALLET_PRIVATE_KEYDefault Solana keypair secret for autonomous signing
PRINTR_DEPLOYMENT_PASSWORDMaster password for encrypting deployment wallets (min 16 chars). Required for printr_fund_deployment_wallet. Generate with: openssl rand -base64 32

Dev / self-hosting

VariableDescription
PRINTR_API_BASE_URLOverride API base URL (default: https://api-preview.printr.money)
PRINTR_APP_URLOverride app URL (default: https://app.printr.money)

Development

This is a monorepo with three packages:

sh
bun installbun dev          # Run MCP server with hot reloadbun test         # Run all testsbun run check    # typecheck + lint + test

Package-specific commands

sh
# SDKbun run --cwd packages/sdk testbun run --cwd packages/sdk build
# MCPbun run --cwd packages/mcp testbun run --cwd packages/mcp build

Using the SDK directly

Uses createPrintrClient and buildToken:

typescript
import { createPrintrClient, buildToken } from '@printr/sdk';
const client = createPrintrClient({  apiKey: process.env.PRINTR_API_KEY,});
const result = await buildToken({  creator_accounts: ['eip155:8453:0x...'],  name: 'My Token',  symbol: 'TKN',  description: 'A cool token',  chains: ['eip155:8453'],  initial_buy: { spend_usd: 10 },}, client);

Source: README.md at commit c17be88

Tools

0
SourceWeft has not started this package in its sandbox yet, so its tools are not known.

Version history

1
  1. v0.4.1LatestSep 16, 2026

Score

40% of the applicable checks met

How complete this listing is, computed from the registry entry, the endpoint and public sources. Not a rating of the server and not a statement that it is safe or working today: reachability is a dated check, and no installs or reviews go into the score.

  • Reached in the last 30 days25 pts

    Keep the endpoint answering the MCP handshake; SourceWeft probes it every 30 days.

  • Auth declared10 pts

    Declare the credential headers in the registry entry, or keep the endpoint answering the probe so its auth can be classified.

  • Tools listed15 pts

    Answer tools/list without a credential, or ship a package that starts in a sandbox without one.

  • DescriptionRequired15 pts
  • Logo10 pts
  • Documentation15 pts
  • License10 pts

    Declare a license in the repository or the registry entry.