A local, durable file-based MCP mailbox that lets Pi coding agents on the same machine exchange messages and tasks with acknowledgment and persistent history.
Prices and medians update for the tier you select.
Ranked by how closely each one matches Pi Mailbox's job. Prices show each provider's Pro state; entry prices are labelled as such. Unpriced products still belong to the market.
Market = the products most similar to this one by capability; prices are median / quartiles over its priced members, separated by provider type and buyer tier.