// MCP TOOL REFERENCE

SOLMAIL TOOLS

4 tools from the Solmail MCP Server, categorised by risk level.

READ TOOLS

get_mail_quote Get a price quote for sending physical mail. Returns price in USD and estimated SOL amount based on current exchange rates. get_wallet_address Get the public address of the configured wallet. Useful for receiving funds. get_wallet_balance Get the current SOL balance of the configured wallet. Requires wallet configuration.

WRITE TOOLS

send_mail Send physical mail using Solana cryptocurrency. Composes a letter, creates a Solana payment transaction, and submits to SolMail for printing and ma... 3/5

// FAQ

How many tools does the Solmail MCP server have? +

The Solmail MCP server exposes 4 tools across 2 categories: Read, Write.

How do I enforce policies on Solmail tools? +

Use Intercept, the open-source MCP proxy. Write YAML rules for each tool — rate limits, argument validation, or deny rules — then run Intercept in front of the Solmail server.

What risk categories do Solmail tools fall into? +

Solmail tools are categorised as Read (3), Write (1). Each category has a recommended default policy.

Enforce policies on Solmail

Open source. One binary. Zero dependencies.

npx -y @policylayer/intercept

github.com/policylayer/intercept →