s3-gateway-mcp
by jdk1021
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| HOST | No | HTTP listen host. | 0.0.0.0 |
| PORT | No | HTTP listen port. | 8000 |
| MCP_TOKEN | No | Bearer token. Required in HTTP mode. | |
| S3_BUCKET | No | Default bucket when a tool call omits `bucket`. | |
| S3_REGION | No | Region. R2 uses `auto`. | us-east-1 |
| S3_ENDPOINT | No | Endpoint URL of your provider. Defaults to AWS. | |
| ALLOWED_DIRS | No | Colon-separated directories `upload_file` may read. Defaults to cwd. | |
| DOWNLOAD_DIR | No | Enables `get_object` `save_to`, restricted to this directory. | |
| S3_READ_ONLY | No | Register read tools only. PUT presigning is also refused. | false |
| MAX_INLINE_KB | No | Largest object `get_object` returns inline, in KB. | 1024 |
| MAX_UPLOAD_MB | No | Upload size limit in MB. | 100 |
| S3_PUBLIC_URL | No | Only when files are served from another address (CDN, custom domain). Base URL of the default bucket; use `{bucket}` (e.g. `https://cdn.example.com/{bucket}`) to cover all buckets. | |
| S3_PATH_PREFIX | No | Optional prefix for auto-generated upload keys, e.g. `uploads/`. | |
| S3_ACCESS_KEY_ID | Yes | S3 access key ID. Required. | |
| S3_SESSION_TOKEN | No | Temporary credentials. | |
| MCP_AUTH_DISABLED | No | Turn off auth for trusted local setups only. | false |
| S3_ALLOWED_BUCKETS | No | Comma-separated allowlist. Defaults to all buckets. | |
| S3_FORCE_PATH_STYLE | No | Path-style addressing (MinIO, RustFS). Set `false` for virtual-hosted AWS buckets. | true |
| S3_ALLOW_DESTRUCTIVE | No | `false` hides every delete/abort/move tool. | true |
| S3_SECRET_ACCESS_KEY | Yes | S3 secret access key. Required. |
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 | |
This server cannot be deployed
Maintenance
ActivityMaintained
ResponsivenessNo recent community issues