mercury.com

Mercury provides business banking and financial operations tools, including accounts, payments, cards, invoicing, and treasury features. It lets customers access and automate parts of those workflows programmatically.

3 integrations · MCP · REST · CLI

Mercury exposes a REST banking API, a hosted MCP server at `https://mcp.mercury.com/mcp`, and an official `mercury` CLI; all require authentication via Mercury-issued API or OAuth credentials.

discovered 1d ago

MCP servers1

Mercury MCPdiscoveredstreamable-http

REST · OpenAPI1

Mercury APIdiscoveredrest

CLI1

Mercury CLIdiscoveredmercury

Credentials

Mercury API tokenbearerGet token ↗

Sign in to your Mercury account, open the API Tokens page, and click Create an API Token. Choose the minimum needed permission tier (read-only, read-write, or custom). Save the token when it is shown; Mercury says you cannot view it again after closing the dialog. The token value includes the secret-token: prefix.

Mercury OAuth2 client credentialsoauth2$ mercury login

Acquired by the CLI — running mercury login opens the auth flow and stores the credential.

Mercury MCP dynamic client credentialsoauth2Set up OAuth ↗

For Mercury's hosted MCP server, register your client with OAuth 2.0 Dynamic Client Registration by POSTing to https://mcp.mercury.com/register with your redirect_uris and client_name. Mercury returns a client_id and client_secret for use in the OAuth authorization code flow against Mercury MCP.

conventions · 0/7 published

integrations.json——
llms.txt✗/llms.txt
API catalog✗/.well-known/api-catalog
OpenAPI document✗/api/schema/, /openapi.json, /swagger.json, /api/openapi.json, or /v1/openapi.json
MCP server card✗/.well-known/mcp/server-card.json
OAuth protected resource✗/.well-known/oauth-protected-resource
Agent card✗/.well-known/agent-card.json
Agent skills✗/.well-known/agent-skills/index.json

Publish these signals → /publishing