External endpointresponds
Email infrastructure for AI agents — send, receive, search, and reply to email over MCP.
Endpoint URL
https://www.primitive.dev/mcpCurrent status
responds
Last checked
Aug 17, 2026, 05:08 AM UTC
Check
MCP initialize · 8s limit
Latency
364 ms
Response record
4 of 4 rounds
Transport
streamable-http
Source
mcp_registry
Registry name
dev.primitive/email
Current observation
This endpoint answered at its latest recorded check.
What this server reports about itself
Self-reported at initialize. Not verified by Licium.
- Server name
- primitive
- Version
- 0.1.0
- Capability keys
- tools, resources, prompts
- Tool names
- listDomains, addDomain, verifyDomain, downloadDomainZoneFile, getAccount, getInboxStatus, getOutboundStatus, listEmails, searchEmails, getEmail, replyToEmail, sendEmail, sendEmailDemo, listSentEmails, getSentEmail, cancelScheduledSend, awaitReply, getConversation, getThread, downloadEmailAttachments, listEndpoints, createEndpoint, deleteEndpoint, testEndpoint, listFilters, createFilter, deleteFilter, listWebhookDeliveries, replayWebhookDelivery, createEmailAddress
Instructions excerpt
Primitive is email infrastructure for AI agents that ships an in-agent MCP App UI — a ui:// widget on the OpenAI Apps SDK / MCP Apps that renders the inbox inside agent hosts like ChatGPT and Claude. Use sendEmail / replyToEmail to send, listEmails / searchEmails to read your inbox (email-reading tools carry the ui:// widget). Authenticate with a Primitive API key as Bearer token or via OAuth at https://www.primitive.dev/.well-known/oauth-authorization-server
Reported Aug 17, 2026, 05:08 AM UTC.
Check history
Oldest to newest. Each row is one recorded check.
- respondsMCP initialize · 8s limit · HTTP 200 · 459ms
- respondsMCP initialize · 8s limit · HTTP 200 · 359ms
- respondsMCP initialize · 8s limit · HTTP 200 · 465ms
- respondsMCP initialize · 8s limit · HTTP 200 · 364ms