/check_mk/api/1.0/objects/agent/3c8d1a7ee35e1e01?host_name=<my hostname>&os_type=linux_rpm throws a HTTP 500 error

This looks like the same issue I have:
Use REST API for automatic agent deployment - Troubleshooting - Checkmk Community

If Iā€™m not mistaken, it should be fixed in 2.0.0p12: RESTAPI: fix agent information and agent download (checkmk.com)
Now we only have to wait until it is released :wink:

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