"PlayStation Portable" matching MCP servers:

Tenant-bound MCP server for agent spend authorization, policy guardrails, evidence, escrow settlement, and portable receipts. Works with Cursor and Claude Code via stdio; npm (@paybond/kit) and Python (paybond-kit).

Soma is a protocol for agents to trust each other: a message is an envelope with a hard token budget, a mandate, a price and an Ed25519 signature, so refusals name the rule and context degradation is declared. Ships MCP, A2A and x402 carriers, three-tier memory, signed receipts, reputation from facts, federation with portable history, and a conformance suite any implementation can pass.