ExpertVagabond/solmail-mcp
by Various
MCP server for sending physical mail with Solana cryptocurrency. Colosseum Agent Hackathon submission.
MCP
ExpertVagabond/solmail-mcp
Added 1 June 2026
Overview
A Model Context Protocol (MCP) server that enables sending physical mail using Solana cryptocurrency payments. Built as a submission for the Colosseum Agent Hackathon, it integrates Solana blockchain transactions with a physical mail delivery service.
Best for
Best for
Developers experimenting with blockchain-based physical mail delivery in agent workflows.
Use cases
- Send physical mail to any address by paying with Solana through an MCP-compatible client.
- Automate physical mail delivery as part of an agent workflow using cryptocurrency.
- Prototype blockchain-based mail services in hackathon or experimental settings.
Notes
A Model Context Protocol (MCP) server that enables sending physical mail using Solana cryptocurrency payments. Built as a submission for the Colosseum Agent Hackathon, it integrates Solana blockchain transactions with a physical mail delivery service.
0 stars on GitHub. Last updated 2026-03-24. Licensed MIT.
Use cases
- Send physical mail to any address by paying with Solana through an MCP-compatible client.
- Automate physical mail delivery as part of an agent workflow using cryptocurrency.
- Prototype blockchain-based mail services in hackathon or experimental settings.
Pros
- Leverages Solana for fast, low-cost cryptocurrency transactions.
- Provides a straightforward MCP interface for AI agents to send physical mail.
- Open source JavaScript implementation for transparency and customization.
Cons
- Hackathon project with no public stars or evidence of active maintenance.
- Relies on external physical mail delivery service which may have its own costs and limitations.
- Untested in production; stability and security not established.
Indexed from awesome-mcp-servers-punkpeye and enriched against its public facts.
Pros
- Leverages Solana for fast, low-cost cryptocurrency transactions.
- Provides a straightforward MCP interface for AI agents to send physical mail.
- Open source JavaScript implementation for transparency and customization.
Cons
- Hackathon project with no public stars or evidence of active maintenance.
- Relies on external physical mail delivery service which may have its own costs and limitations.
- Untested in production; stability and security not established.
Pairs with
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