How to connect Etermin to Hermes Agent
Connect Etermin to Hermes with ClawLink: paste your Etermin key once and 78 tools work from chat. No MCP server to run, nothing stored on your machine.


eTermin is an online appointment scheduling platform that allows businesses to manage bookings and integrate with various applications through its REST API.. Once connected, Hermes Agent can read and act on Etermin from chat — pairing, token refresh, and tool wiring handled for you.
Most guides for giving Hermes Agent Etermin 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 Etermin setup: pair once in the browser and your always-on Hermes agent can act on Etermin 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 Etermin.
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 Etermin
Paste your API key in the dashboard.
- 3
Use it from chat
Ask Hermes Agent: "What can you do with Etermin?"
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 Etermin in the ClawLink dashboard — paste your Etermin API key once.
Verify the connection by asking Hermes:
Pull the relevant data from Etermin, summarize it in plain English, and point out anything that needs attention.
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 Etermin is connected in the dashboard, that agent calls the same 78 Etermin tools over MCP. Full setup for MCP clients and shell agents: connect apps to any AI agent.
Etermin MCP for Hermes
Looking for a Etermin MCP server for Hermes Agent? ClawLink connects Etermin to Hermes Agent and exposes 78 Etermin tools your agent can call over MCP, with hosted auth and nothing to run or maintain yourself. Using OpenClaw instead? The OpenClaw Etermin integration works the same way.
What the Hermes Agent Etermin integration can do
78 Etermin 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 78.
30 of 78 Etermin tools for Hermes
| Tool | What it does |
|---|---|
Get absences etermin_get_absences | Retrieve absences (non-working times) for a specific calendar |
Get anchortime date etermin_get_anchortime_date | Retrieve anchortimes by date |
Get anchortimes etermin_get_anchortimes | Retrieve anchortime details |
Get appointment sync etermin_get_appointment_sync | Synchronize appointments incrementally from eTermin |
Get bookingpage logs etermin_get_bookingpage_logs | Retrieve bookingpage request logs from eTermin |
Get calendar return time etermin_get_calendar_return_time | Retrieve return times for a specific calendar |
Get calendars etermin_get_calendars | Retrieve calendars |
Get calendarservice etermin_get_calendarservice | Retrieve calendar service assignments |
Get company etermin_get_company | Retrieve company account details |
Get contact by ID etermin_get_contact_by_id | Retrieve a specific contact by ID, external ID, or email |
Get contacts etermin_get_contacts | Retrieve a list of contacts |
Get deleted appointments etermin_get_deleted_appointments | Retrieve a list of deleted appointments from eTermin |
Get message logs etermin_get_message_logs | Retrieve message logs from eTermin |
Get rating etermin_get_rating | Retrieve a list of customer ratings from eTermin |
Get service by ID etermin_get_service_by_id | Retrieve a specific service from eTermin |
Get service calendar etermin_get_service_calendar | Retrieve calendars for a specific service ID |
Get servicegroup etermin_get_servicegroup | Retrieve service group details from eTermin |
Get services etermin_get_services | Retrieve a list of services |
Get survey results etermin_get_survey_results | Retrieve survey results from eTermin |
Get timeslots etermin_get_timeslots | Retrieve available timeslots for a specific calendar on a given date |
Get usermapping etermin_get_usermapping | Retrieve usermapping information |
Get users etermin_get_users | Retrieve a list of users |
Get working times etermin_get_working_times | Retrieve working times for a specific calendar |
Get working times date etermin_get_working_times_date | Retrieve working times for a specific calendar on a specific date |
List appointments etermin_list_appointments | Retrieve a filtered list of appointments from eTermin in a specified date range |
List vouchers etermin_list_vouchers | Retrieve all vouchers (discount codes) from your eTermin account |
List webhooks etermin_list_webhooks | Retrieve webhooks |
Assign calendar service etermin_assign_calendar_service | Assign a service to a calendar in eTermin |
Create absence etermin_create_absence | Create an absence (non-working time) for a specific calendar |
Create anchortime etermin_create_anchortime | Create anchortimes (recurring time slots) in a calendar |
Try it: find the Etermin tool you need
Browse the 30 Etermin tools
Click any tool to see exactly what Hermes can do and copy a ready-to-use prompt.
Example prompts
Pull the relevant data from Etermin, summarize it in plain English, and point out anything that needs attention.
Pull the relevant data from Etermin, summarize it in plain English, and point out anything that needs attention.
Pull the relevant data from Etermin, summarize it in plain English, and point out anything that needs attention.
Pull the relevant data from Etermin, summarize it in plain English, and point out anything that needs attention.
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 Etermin working from chat.
| Manual | ClawLink | |
|---|---|---|
| Credential handling | Collect, validate, store, and rotate the Etermin API key yourself, then make sure every tool call uses the right account. | Users complete the hosted ClawLink setup once and the connected Etermin 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 Etermin. | 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 Etermin actions to the runtime in a format your agent can reliably use. | 78 tools for Etermin are already exposed through ClawLink, so the agent can read and act from chat immediately. |
ClawLink vs. Composio
Composio also exposes Etermin 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 Etermin in the browser, and the 78 tools above work from chat. There is no SDK and no config file, and the Etermin 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 Etermin
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 Etermin 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 Etermin tools
Etermin 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 Etermin 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.
Etermin 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 Etermin 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 Etermin integration?
Yes. ClawLink is the fastest way to connect Hermes to Etermin: link your Etermin account once in the browser and Hermes Agent can call the Etermin API through 78 ready-made tools — no custom code or token handling.
How do I connect Etermin 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 Etermin in the dashboard and Hermes can use it from the next message — no config files, and the Etermin key you paste is stored server-side instead of in your environment.
How long does it take to connect Etermin to Hermes Agent?
About two minutes. Sign in, click Connect next to Etermin in the dashboard, authenticate, and Hermes Agent can use it from the next chat message.
Why use ClawLink instead of wiring Etermin 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 Etermin working from chat.
Hermes paired but still can't use Etermin
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.
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