arc-mcp-hub
Officialby arc-mcp
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| PORT | No | Defaults to 9000 (CF sets it). | |
| HUB_BACKENDS | Yes | JSON array of { name, destination }. name is the URL segment (lowercase/digits/hyphen); destination is the BTP destination resolving to that backend. | |
| ARC_HUB_PUBLIC_URL | No | The hub's public URL for OAuth metadata. Derived from the CF route if unset; set it behind a reverse proxy/custom domain. | |
| ARC_HUB_ALLOWED_ORIGINS | No | CSV CORS allowlist for browser MCP clients (e.g. https://claude.ai). | |
| ARC_HUB_DCR_SIGNING_SECRET | No | Stable secret so cached client_ids survive cf deploy. openssl rand -base64 48. |
Capabilities
Server capabilities have not been inspected yet.
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
No tools | |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
No resources | |
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