CozyVTT-Agent
OfficialClick on "Deploy Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type
@followed by the MCP server name and your instructions, e.g., "@CozyVTT-Agentwhat scenes are scheduled for tonight's session?"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
CozyVTT-Agent
CozyVTT-Agent is an installed, trusted CozyVTT plugin that adapts the host's campaign-scoped capability interface to MCP Streamable HTTP. CozyVTT owns OAuth, campaign authorization, approvals, command execution, replay, audit, and result validation. This plugin owns MCP protocol behavior only.
It does not import CozyVTT backend code, access its database, or proxy through an agent-specific HTTP API.
Development
npm install
npm testRelated MCP server: MCP HTTP Proxy
Build an Installable Package
Use the same review key configured in CozyVTT. The command creates a bundled,
signed package under build/cozyvtt-agent/ and prints its immutable checksum.
TRUSTED_EXTENSION_REVIEW_KEY=local-review-key npm run package:extensionConfigure CozyVTT with:
EXTENSION_PACKAGE_ROOT=/path/to/CozyVTT-Agent/build
TRUSTED_EXTENSION_REVIEW_KEY=local-review-key
TRUSTED_EXTENSION_ALLOWLIST='[{"extensionId":"cozyvtt.agent","version":"0.2.0","checksum":"sha256:..."}]'An administrator can then install and activate cozyvtt.agent through the
generic extension administration API. Its MCP resource is exposed at
/api/plugin-transports/cozyvtt.agent/mcp; OAuth discovery and token issuance
are provided by CozyVTT.
This server cannot be deployed
Maintenance
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