How to connect Smtp2go to Hermes Agent
Connect Smtp2go to Hermes with ClawLink: paste your Smtp2go key once and 32 tools work from chat. No MCP server to run, nothing stored on your machine.


SMTP2GO is a reliable email delivery service that ensures your emails reach recipients' inboxes efficiently.. Once connected, Hermes Agent can read and act on Smtp2go from chat — pairing, token refresh, and tool wiring handled for you.
Most guides for giving Hermes Agent Smtp2go access start with registering your own OAuth app or pasting API keys into env files, then leave the token refresh and tool wiring to you. ClawLink gives Hermes a more practical Smtp2go setup: pair once in the browser and your always-on Hermes agent can act on Smtp2go for you, reading and doing real work on your behalf with no auth, token refresh, or tool wiring to build yourself.
Setup
It takes three steps to connect Hermes to Smtp2go.
1Install and pair
Install the ClawLink plugin, then pair Hermes with a one-time browser approval:
hermes plugins install ClawLink-HQ/hermes-plugin --enable- 2
Connect Smtp2go
Paste your API key in the dashboard.
- 3
Use it from chat
Ask Hermes Agent: "What can you do with Smtp2go?"
Install by command
The prompt above walks Hermes through this. By hand, it is four commands and a browser approval:
hermes plugins install ClawLink-HQ/hermes-plugin --enable
hermes clawlink begin # prints an approval link — open it and approve
hermes clawlink finish # after approving in the browser
hermes clawlink testThen connect Smtp2go in the ClawLink dashboard — paste your Smtp2go API key once.
Verify the connection by asking Hermes:
Search Smtp2go for what I need, summarize the results, and tell me the next best action.
Using a different agent?
The Hermes plugin is one client of ClawLink's MCP server. Claude Code, Cursor, Codex, or any agent that can run a shell command pairs with the same ClawLink account through the CLI:
npx -y @useclawlink/cli loginlogin opens the same browser approval and stores a credential locally. Once Smtp2go is connected in the dashboard, that agent calls the same 32 Smtp2go tools over MCP. Full setup for MCP clients and shell agents: connect apps to any AI agent.
Smtp2go MCP for Hermes
Looking for a Smtp2go MCP server for Hermes Agent? ClawLink connects Smtp2go to Hermes Agent and exposes 32 Smtp2go tools your agent can call over MCP, with hosted auth and nothing to run or maintain yourself. Using OpenClaw instead? The OpenClaw Smtp2go integration works the same way.
What the Hermes Agent Smtp2go integration can do
32 Smtp2go tools are ready for Hermes Agent once the account is connected. The 30 below are the ones people reach for most; your agent can call all 32.
30 of 32 Smtp2go tools for Hermes
| Tool | What it does |
|---|---|
Activity search smtp2go_activity_search | Search activity events like sends, opens, clicks, and bounces |
Allowed senders view smtp2go_allowed_senders_view | View the list of allowed senders configured in your account |
Email search smtp2go_email_search | Search sent emails |
Ip allow list view smtp2go_ip_allow_list_view | View the list of IP addresses in your IP allow list |
Sms view received smtp2go_sms_view_received | Retrieve received SMS replies for your SMTP2GO account |
Stats email bounces smtp2go_stats_email_bounces | Retrieve email bounces statistics |
Stats email cycle smtp2go_stats_email_cycle | Retrieve current email cycle/quota statistics |
Stats email history smtp2go_stats_email_history | Retrieve email history statistics |
Stats email spam smtp2go_stats_email_spam | Retrieve email spam report statistics |
Stats email unsubs smtp2go_stats_email_unsubs | Retrieve email unsubscribe statistics |
Subaccounts search smtp2go_subaccounts_search | Search subaccounts |
Subaccounts usage smtp2go_subaccounts_usage | Retrieve usage statistics for subaccounts |
Suppression view smtp2go_suppression_view | View the suppression list |
Template search smtp2go_template_search | Search your collection of email templates by ID or name |
Template view smtp2go_template_view | View details of a specific email template |
Users smtp view smtp2go_users_smtp_view | List all SMTP users configured on your account |
Webhook view smtp2go_webhook_view | View all webhooks configured in your account |
Allowed senders add smtp2go_allowed_senders_add | Add a new allowed sender email address |
Allowed senders update smtp2go_allowed_senders_update | Update (replace) the entire allowed senders list in your SMTP2GO account |
Domain add smtp2go_domain_add | Add a new sender domain for SPF/DKIM verification |
Ip allow list add smtp2go_ip_allow_list_add | Add a public IP address to your account's IP allow list |
Suppression add smtp2go_suppression_add | Add email addresses or domains to the suppression list |
Template edit smtp2go_template_edit | Edit details of an existing email template |
Users smtp add smtp2go_users_smtp_add | Add a new SMTP user |
Users smtp edit smtp2go_users_smtp_edit | Edit details of an existing SMTP user |
Webhook add smtp2go_webhook_add | Create a new webhook |
Webhook edit smtp2go_webhook_edit | Edit an existing webhook’s settings |
Allowed senders remove smtp2go_allowed_senders_remove | Remove a sender email address from the allowed senders list |
Ip allow list remove smtp2go_ip_allow_list_remove | Remove an IP address from your account's IP allow list |
Suppression remove smtp2go_suppression_remove | Remove an email address or domain from the suppression list |
Try it: find the Smtp2go tool you need
Browse the 30 Smtp2go tools
Click any tool to see exactly what Hermes can do and copy a ready-to-use prompt.
Example prompts
Search Smtp2go for what I need, summarize the results, and tell me the next best action.
Use Smtp2go to allowed senders view and walk me through the result in plain English.
Search Smtp2go for what I need, summarize the results, and tell me the next best action.
Use Smtp2go to ip allow list view and walk me through the result in plain English.
ClawLink vs. building it yourself
The alternative to ClawLink is usually manual API key setup plus your own token handling, permission troubleshooting, and tool plumbing for Hermes Agent. That is fine if you want to build and maintain the integration yourself. Most teams just want Smtp2go working from chat.
| Manual | ClawLink | |
|---|---|---|
| Credential handling | Collect, validate, store, and rotate the Smtp2go API key yourself, then make sure every tool call uses the right account. | Users complete the hosted ClawLink setup once and the connected Smtp2go account becomes available to the agent without you building credential management. |
| Ongoing maintenance | You own refresh logic, permission debugging, environment config, and every provider-specific edge case for Smtp2go. | ClawLink handles the repetitive integration plumbing so your team can focus on the workflow instead of the infrastructure. |
| Agent usability | You still need to expose the right Smtp2go actions to the runtime in a format your agent can reliably use. | 32 tools for Smtp2go are already exposed through ClawLink, so the agent can read and act from chat immediately. |
ClawLink vs. Composio
Composio also exposes Smtp2go to AI agents. It is developer infrastructure: Python and TypeScript SDKs, an MCP server, and a catalog past 1,000 apps, aimed at teams shipping agent products. ClawLink is built for Hermes Agent users instead. You install the plugin once, connect Smtp2go in the browser, and the 32 tools above work from chat. There is no SDK and no config file, and the Smtp2go key you paste at setup is stored server-side rather than kept in your environment. Choosing between them? Read the full Composio alternatives comparison.
Troubleshooting
Hermes paired but still can't use Smtp2go
Pairing is a two-step handshake: run hermes clawlink begin, approve the link in your browser, then run hermes clawlink finish. If you ran finish before approving, or the approval link expired, run hermes clawlink begin again to get a fresh link. Confirm the plugin was installed with --enable, then verify with hermes clawlink test.
Connection succeeds but no tools appear
Reconnect Smtp2go from the dashboard, then start a fresh chat if the runtime still has the old tool catalog loaded.
"Tool schema not loaded yet" error when calling Smtp2go tools
Smtp2go tool schemas load on demand the first time a tool runs and are cached after that, so this error usually clears on its own: wait a few seconds and retry the same request. If every Smtp2go call keeps failing with it in a fresh chat, reconnect from the dashboard, and contact support if it still persists — that pattern points to a configuration problem on our side, not something you can fix by reconnecting again.
Smtp2go returns 403 or "permission denied" on one action while others work
Two usual causes. The connected account may not have access to the specific workspace, inbox, store, or project in the request — check that first. If access looks right, the agent may have sent a placeholder value (like "YOUR_ID" or an example id from documentation) instead of a real one: ask it to run a list or search tool first, then retry the action with a real id from those results. Most failures at this stage are one of these two, not ClawLink bugs.
API key setup works but results look incomplete
Double-check that the API key for Smtp2go has the right scopes or account access. A valid key can still be too limited for some reads or writes.
FAQ
Is there a Hermes Agent Smtp2go integration?
Yes. ClawLink is the fastest way to connect Hermes to Smtp2go: link your Smtp2go account once in the browser and Hermes Agent can call the Smtp2go API through 32 ready-made tools — no custom code or token handling.
How do I connect Smtp2go to Hermes with ClawLink?
Install the plugin with hermes plugins install ClawLink-HQ/hermes-plugin --enable, then pair once: run hermes clawlink begin, approve the link in your browser, and run hermes clawlink finish. Connect Smtp2go in the dashboard and Hermes can use it from the next message — no config files, and the Smtp2go key you paste is stored server-side instead of in your environment.
How long does it take to connect Smtp2go to Hermes Agent?
About two minutes. Sign in, click Connect next to Smtp2go in the dashboard, authenticate, and Hermes Agent can use it from the next chat message.
Why use ClawLink instead of wiring Smtp2go up myself?
The alternative to ClawLink is usually manual API key setup plus your own token handling, permission troubleshooting, and tool plumbing for Hermes Agent. That is fine if you want to build and maintain the integration yourself. Most teams just want Smtp2go working from chat.
Hermes paired but still can't use Smtp2go
Pairing is a two-step handshake: run hermes clawlink begin, approve the link in your browser, then run hermes clawlink finish. If you ran finish before approving, or the approval link expired, run hermes clawlink begin again to get a fresh link. Confirm the plugin was installed with --enable, then verify with hermes clawlink test.