astronomy-mcp-server
by cyanheads
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| LOGS_DIR | No | Directory for log files (Node.js only). | |
| OTEL_ENABLED | No | Enable OpenTelemetry instrumentation. | false |
| MCP_AUTH_MODE | No | Auth mode: `none`, `jwt`, or `oauth`. | none |
| MCP_HTTP_PORT | No | Port for the HTTP server. | 3010 |
| MCP_LOG_LEVEL | No | Log level (RFC 5424). | info |
| MCP_TRANSPORT_TYPE | No | Transport: `stdio` or `http`. | stdio |
| STORAGE_PROVIDER_TYPE | No | Storage backend. | in-memory |
| ASTRONOMY_ENABLE_HORIZONS | No | Register the `astronomy_get_ephemeris` tool (JPL Horizons). | false |
| ASTRONOMY_DEFAULT_TIMEZONE | No | Fallback IANA timezone when a tool call omits `timezone`. Unset = UTC-only output. | |
| ASTRONOMY_TLE_CACHE_TTL_MS | No | In-process TLE cache TTL (ms) — respects CelesTrak's refetch guidance (~once/2h). | 7200000 |
| ASTRONOMY_ENABLE_SATELLITES | No | Register the `astronomy_get_satellite_passes` tool (CelesTrak + SGP4). | false |
| ASTRONOMY_HORIZONS_BASE_URL | No | Override the JPL Horizons API endpoint. | https://ssd.jpl.nasa.gov/api/horizons.api |
| ASTRONOMY_CELESTRAK_BASE_URL | No | Override the CelesTrak GP/TLE endpoint. | https://celestrak.org/NORAD/elements/gp.php |
| ASTRONOMY_REQUEST_TIMEOUT_MS | No | HTTP timeout (ms) for Horizons and CelesTrak requests. | 15000 |
Instructions
Guidance the server publishes about itself, which clients place ahead of the tool catalog so the model reads it before choosing anything.
This server publishes no instructions, or was last inspected before Glama recorded them.
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 | |