s3server

s3server is an S3-compatible storage server (an on-prem/object-storage style service that implements an S3 API) intended to allow clients to store and retrieve objects as if they were using Amazon S3.

Evaluated Mar 30, 2026 (22d ago)
Homepage ↗ Repo ↗ Storage storage s3-compatible object-storage self-hosted infrastructure
⚙ Agent Friendliness
30
/ 100
Can an agent use this?
🔒 Security
48
/ 100
Is it safe for agents?
⚡ Reliability
22
/ 100
Does it work consistently?

Score Breakdown

⚙ Agent Friendliness

MCP Quality
0
Documentation
30
Error Messages
0
Auth Simplicity
50
Rate Limits
0

🔒 Security

TLS Enforcement
50
Auth Strength
60
Scope Granularity
30
Dep. Hygiene
50
Secret Handling
50

Because the evaluation input does not include repository/manifests or explicit security statements, scores reflect typical S3-compatible server considerations rather than confirmed facts. Key risks for S3-compatible servers include credential handling, TLS configuration, and correct access-control enforcement; agents should assume HTTPS and least-privilege config must be verified by the operator.

⚡ Reliability

Uptime/SLA
0
Version Stability
50
Breaking Changes
0
Error Recovery
40
AF Security Reliability

Use Cases

  • Development/testing against an S3-like API without using AWS
  • Local or self-hosted object storage for applications that expect S3 semantics
  • CI pipelines needing transient S3 endpoints
  • Migration scenarios where S3-compatible API compatibility is required

Not For

  • Production workloads requiring managed durability/SLA from a cloud provider
  • Use cases needing advanced AWS-specific S3 features that may not be fully compatible
  • Environments where you cannot operate/patch/secure a self-hosted server

Interface

REST API
No
GraphQL
No
gRPC
No
MCP Server
No
SDK
No
Webhooks
No

Authentication

Methods: S3-compatible access keys (e.g., access key/secret key style, depending on configuration)
OAuth: No Scopes: No

As an S3-compatible server, authentication is typically configured for S3-style requests via access credentials; the exact mechanisms/scopes are not provided in the supplied input, so details are uncertain.

Pricing

Free tier: No
Requires CC: No

No pricing information was provided; being a server software package, costs are typically operational (hosting, bandwidth, storage, maintenance).

Agent Metadata

Pagination
none
Idempotent
False
Retry Guidance
Not documented

Known Gotchas

  • S3 APIs have idiosyncrasies (e.g., retries can create duplicates unless using idempotency patterns like conditional requests); without explicit documentation, an agent may retry unsafely.
  • Large object uploads and streaming behaviors may differ across S3-compatible implementations.
  • Auth and bucket/key permissions model may not map 1:1 to AWS IAM features; agents should avoid assuming fine-grained IAM parity.

Alternatives

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Scores are editorial opinions as of 2026-03-30.

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