"Common Lisp" matching MCP servers:

Enables AI agents to discover x402 payment services and query on-chain-verified settlement volumes per facilitator through the Model Context Protocol.

An MCP server that enables non-technical operations users to resolve common commerce-ops tickets, such as orders charged but failed, through an investigate, recommend, approve, and execute workflow with read-only and write tools.

Enables connecting AI assistants to Exact Online through its official REST API with OAuth2 authentication and automatic token refresh. Provides curated tools for reading and, optionally, writing common accounting entities such as accounts, contacts, items, journal entries and sales/purchase invoices, plus generic GET/POST/PUT/DELETE tools for any other endpoint, over local stdio or hosted HTTP transports.

Enables agents to grade and repair the Bazaar discovery metadata of x402 services through native tools, itemizing defects or returning a validator-passed discovery package inferred from one real sample output. Calls are paid in USDC on Base via the x402 protocol, with no accounts or API keys required.