HybridS3
Self-hosted S3-compatible object storage server with an MCP interface for AI agents.
Connector by psyb0t · GitHub account verified by the MCP Registry
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About
Reviews
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Permissions
What this server can do and what it asks for, from its tool list, install config and code. Checked Oct 25, 2026.
- Tools
- 5 read · 1 write · 1 delete
- Secrets
- None asked for
- Install scripts
- None found
- Runs as
- Docker image
Tools by what they do 7
Read from the source code; the running server may list different tools.
Read 5 · Look things up without changing anything.
download_objectlist_bucketslist_objectsobject_infopresign_url
Write 1 · Create, change, send or run things.
upload_object
Delete 1 · Delete, drop, revoke or wipe things.
delete_object
Network hosts it talks to 3
github.com· found in codeglama.ai· found in codes3.amazonaws.com· found in code
Tools (7)
Read from the source code; the running server may differ. Descriptions are the server’s own words; hidden characters are shown as [U+…].
delete_objectcan change or delete dataDelete an object from a bucket. Args: bucket: The bucket name. key: The object key (path). auth_key: The bucket key or master key for authentication.
download_objectread-onlyDownload an object from a bucket. Args: bucket: The bucket name. key: The object key (path). auth_key: The bucket key or master key. Not needed for public buckets. encoding: "utf-8" (default) returns text, "base64" returns base64-encoded binary.
list_bucketsread-onlyList buckets accessible with the given key. Pass the master key to list all configured buckets. Pass a bucket key to list only that bucket. Args: auth_key: The master key (lists all buckets) or a bucket key (lists that bucket only).
list_objectsread-onlyList objects in a bucket. Args: bucket: The bucket name. auth_key: The bucket key or master key. Not needed for public buckets. prefix: Filter by key prefix (e.g. "images/" to list only images/). max_keys: Maximum number of objects to return (default 100, max 1000).
object_inforead-onlyGet metadata about an object without downloading it. Args: bucket: The bucket name. key: The object key (path). auth_key: The bucket key or master key. Not needed for public buckets.
presign_urlread-onlyGenerate an S3-compatible presigned URL for an object. Returns a proper AWS Sig V4 presigned URL. The private key signs the URL but never appears in it. Anyone with the URL can perform the named method on the object until it expires. Args: bucket: The bucket name. key: The object key (path). auth_key: The bucket key or master key for authentication. method: HTTP verb the URL grants — "GET" (default) or "PUT". expires: Seconds until the URL expires (default 3600, max 604800 = 7 days). base_url: Base URL for the generated link (e.g. "http://host:8080"). host: Hostna…
upload_objectUpload content to an object in a bucket. Args: bucket: The bucket name. key: The object key (path). Supports nested paths like "dir/file.txt". content: The content to upload. For binary data, base64-encode it and set encoding="base64". auth_key: The bucket key or master key for authentication. content_type: MIME type. Auto-detected from content and file extension if not provided. encoding: "utf-8" (default) for text, "base64" for binary data.
Signals
- Stars
- 5
- Forks
- 1
- Open issues
- 0
- Last commit
- Oct 19, 2026 (11 days ago)
- Last release
- Aug 1, 2026 (3 months ago)
- Last package publish
- Oct 17, 2026 (13 days ago)
From GitHub (fetched Oct 24, 2026) and the package registry.
Details
- Registry name
io.github.psyb0t/hybrids3- Version
- 0.3.8
- Auth
- No auth
- Packages
- oci
docker.io/psyb0t/hybrids3:v0.3.8 - License
- WTFPL
- Repository
- github.com/psyb0t/docker-hybrids3
- First seen
- Oct 24, 2026
- Last checked
- Oct 24, 2026
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Cite this page
HybridS3 MCP server. Agent Mart. https://agentmart.dev/connectors/psyb0t-hybrids3 (last updated 2026-10-24)