How to connect Cal.com to Hermes
Connect Cal.com to Hermes in one click. 12 Cal.com tools your agent can call from chat. No API keys.
ClawLink gives Hermes Agent a more practical Cal.com setup than rolling your own integration. Instead of building auth, token refresh, and tool wiring yourself, you connect once and start using real Cal.com actions from chat.
Cal.com MCP for Hermes
Looking for a Cal.com MCP server for Hermes Agent? ClawLink connects Cal.com to Hermes Agent and exposes 12 Cal.com tools your agent can call over MCP, with hosted auth and nothing to run or maintain yourself.
Install ClawLink for Hermes
Copy this prompt into Hermes to install the plugin and pair your account.
Setup
1Install ClawLink
Add the plugin to Hermes Agent once.
- 2
Connect Cal.com
One-click OAuth in the dashboard.
- 3
Use it from chat
Ask Hermes Agent in plain English.
What Hermes Agent can do with Cal.com
- Events & Scheduling — 12 tools ready for Hermes Agent.
- Common actions —
cal_add_attendee(Add attendee),cal_add_member_to_team_using_org_and_team_id(Add member to team using org and team ID),cal_add_organization_attribute_option(Add organization attribute option),cal_cancel_booking_via_uid(Cancel booking via uid),cal_check_calendar_version2(Check calendar version2),cal_check_gcal_synchronization_status(Check gcal synchronization status),cal_check_ics_feed_calendar_endpoint(Check ics feed calendar endpoint),cal_check_stripe_status(Check stripe status),cal_check_team_stripe_integration_status(Check team stripe integration status),cal_confirm_booking_by_uid(Confirm booking by uid),cal_connect_to_calendar(Connect to calendar),cal_create_membership_for_organization(Create membership for organization).
Just ask in plain English
Hermes Agent · with clawlinkOn it. Using Cal.com.
Example prompts
Use Cal.com to add attendee and walk me through the result in plain English.
Use Cal.com to add member to team using org and team id and walk me through the result in plain English.
Use Cal.com to add organization attribute option and walk me through the result in plain English.
Use Cal.com to cancel booking via uid and walk me through the result in plain English.
ClawLink vs. building it yourself
The alternative to ClawLink is usually manual OAuth app 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 Cal.com working from chat.
| Manual | ClawLink | |
|---|---|---|
| Connection flow | Register a Cal.com app, configure redirect URLs, manage consent details, and reconnect users when auth settings drift. | Users connect Cal.com through the hosted browser flow and ClawLink keeps the token lifecycle out of your app code. |
| Ongoing maintenance | You own refresh logic, permission debugging, environment config, and every provider-specific edge case for Cal.com. | 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 Cal.com actions to the runtime in a format your agent can reliably use. | 12 tools for Cal.com are already exposed through ClawLink, so the agent can read and act from chat immediately. |
Troubleshooting
FAQ
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