Connect Hermes to thirds.ai

Use with your agent

Give this prompt to your AI agent. The agent does the task for you.

Read https://thirds.ai/docs/mcp/hermes and help me connect Hermes Agent to thirds.ai with an API key

Use Hermes Agent to build templates and create PDFs or images. Create an API key on the API keys page first. Each successful PDF or static image costs one credit.

Install the server

Put THIRDS_API_KEY in ~/.hermes/.env. Then add this remote server to ~/.hermes/config.yaml:

mcp_servers:
  thirds:
    url: "https://thirds.ai/mcp"
    headers:
      Authorization: "Bearer ${THIRDS_API_KEY}"

Do not set auth: oauth. Hermes sends the header on Streamable HTTP requests. ${THIRDS_API_KEY} and ${env:THIRDS_API_KEY} both read the same secret. See Hermes MCP and the config reference.

Check the connection

Reload MCP servers with /reload-mcp, or run hermes mcp test thirds. Ask Hermes to list the thirds.ai tools.

Read the main MCP guide before you start paid work.

FAQ

Why does Hermes keep a literal `${THIRDS_API_KEY}` in the header?

The variable is unset. Add it to ~/.hermes/.env or the process environment, then reload MCP servers.

Can I install this from a catalog entry?

No. thirds.ai is a custom remote server. Add the YAML above, then reload MCP servers.

Does connecting spend credits?

No. Connecting and listing tools don't spend credits. AI template work and successful renders can. Ask your agent to show the action and the cost before it starts paid work.