# MERCURY MCP Server

**Canonical:** https://apis.io/apis/mercury-hq-com/mercury-mcp-server/  
**Provider:** MERCURY — https://apis.io/providers/mercury-hq-com/  
**Base URL:** https://network.mercury-hq.com/mcp  
**Documentation:** https://network.mercury-hq.com/university/developers

MERCURY MCP Server is one of 3 APIs that [MERCURY](https://apis.io/providers/mercury-hq-com/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include MCP, Agents, Tools, x402, and Web Data. The published artifact set on APIs.io includes API documentation and authentication docs.

Hosted Model Context Protocol server (serverInfo mercury-x402 1.0.0, protocolVersion 2025-06-18, streamable HTTP, JSON-RPC 2.0 over POST https://network.mercury-hq.com/mcp) exposing 18 tools that mirror the 18 paid /buy/* routes one-to-one, each with a real inputSchema. tools/list and initialize are free and unauthenticated; tools/call requires a Mercury API key (Authorization: Bearer mk_...). A first-party stdio package, mercury-x402-mcp on npm (npx -y mercury-x402-mcp, wallet key in MERCURY_PRIVATE_KEY), wraps the same catalog for wallet-paying agents and adds free mercury_catalog and mercury_verify tools.

## Machine-readable artifacts (5)

- **MCPServer** — https://raw.githubusercontent.com/api-evangelist/mercury-hq-com/refs/heads/main/mcp/mercury-hq-com-mcp.yml
- **ToolCrosswalk** — https://raw.githubusercontent.com/api-evangelist/mercury-hq-com/refs/heads/main/mcp/mercury-hq-com-tool-crosswalk.yml
- **Packages** — https://raw.githubusercontent.com/api-evangelist/mercury-hq-com/refs/heads/main/packages/mercury-hq-com-packages.yml
- **Documentation** — https://network.mercury-hq.com/university/developers
- **Authentication** — https://raw.githubusercontent.com/api-evangelist/mercury-hq-com/refs/heads/main/authentication/mercury-hq-com-authentication.yml

## Other MERCURY APIs (2)

- [MERCURY x402 Storefront API](https://apis.io/apis/mercury-hq-com/mercury-x402-storefront-api/)
- [MERCURY Web Fetch A2A Agent](https://apis.io/apis/mercury-hq-com/mercury-web-fetch-a2a-agent/)

## Tags

MCP, Agents, Tools, x402, Web Data

---

Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/mercury-hq-com/mercury-mcp-server/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/mercury-hq-com/.