
Thrd
Give your agent safe, threaded email send and reply capabilities through Thrd’s agent-first email API.
Overview
Thrd MCP is a MCP server for the Build phase that provides agent email tools for threads, safe send/reply, usage, and security via Thrd’s API.
What is this MCP server?
- Email tools for events, threads, and structured agent workflows
- Safe send and reply primitives with trust and security emphasis
- Usage visibility for agent-driven mail operations
- Required THRD_API_KEY Bearer auth with configurable API base URL
- npm thrd-mcp stdio server from SergioRico1/thrd apps/mcp
- Server version 0.1.5
- Default API base URL https://api.thrd.email
- Required secret environment variable THRD_API_KEY
What problem does it solve?
You want your agent to send and manage email programmatically but generic SMTP or personal inboxes are unsafe and hard to audit.
Who is it for?
Indie builders creating agent-native SaaS that needs trustworthy programmatic email during integration sprints.
Skip if: Teams that only need a one-off marketing blast tool with no agent automation or audit requirements.
What do I get? / Deliverables
Your agent can use Thrd-backed send, reply, and thread tools with API keys and guardrails suited to autonomous workflows.
- Working agent calls for Thrd send, reply, and thread operations
- Email automation hooks ready to connect to your app events
Recommended MCP Servers
Journey fit
Agent email belongs in Build integrations while you wire outbound lifecycle and support automation into the product. Integrations is the canonical shelf for third-party APIs like Thrd that your stack calls from agent tooling.
How it compares
Agent email API via MCP, not a desktop mail client skill or bulk ESP template editor.
Common Questions / FAQ
Who is io.github.SergioRico1/thrd for?
Developers building agent-driven products that must send, reply, and track email through Thrd’s agent email platform.
When should I use io.github.SergioRico1/thrd?
Use it while building integrations when email threads, safe autonomous send, and usage tracking are part of your MVP or agent ops layer.
How do I add io.github.SergioRico1/thrd to my agent?
Obtain a Thrd API key, set THRD_API_KEY (and optional THRD_API_BASE_URL), install npm thrd-mcp, and register the stdio server in your MCP client.