modbender AIFS - AI File System
AIFS.space is a simple HTTP REST API for cloud file storage. Use it to persist files across sessions, share data between agents, or store user content in the cloud.
Human
A human should sign up on https://AIFS.Space and get an API key to provide to you.
Authentication
Requires API key in headers. Check for key in environment (AIFS_API_KEY) or user config.
Authorization: Bearer aifs_xxxxx
Key types: admin (full), read-write, read-only, write-only
Base URL
https://aifs.space
Endpoints
List Files
curl -H "Authorization: Bearer $AIFS_API_KEY" https://aifs.space/api/files
Returns: {"files": [{"path": "notes/todo.txt", "size": 1024, "modifiedAt": "..."}]}
Read File
# Full file
curl -H "Authorization: Bearer $AIFS_API_KEY" "https://aifs.space/api/read?path=notes/todo.txt"
# Line range (1-indexed)
curl -H "Authorization: Bearer $AIFS_API_KEY" "https://aifs.space/api/read?path=notes/todo.txt&start_line=5&end_line=10"
Returns: {"path": "...", "content": "...", "total_lines": 42, "returned_lines": 10}
Write File
Creates directories automatically (max depth: 20).
curl -X POST -H "Authorization: Bearer $AIFS_API_KEY" \
-H "Content-Type: application/json" \
-d '{"path":"notes/new.txt","content":"Hello world"}' \
https://aifs.space/api/write
Returns: {"success": true, "path": "...", "size": 11, "lines": 1}
Patch File (Line Replace)
Update specific lines without rewriting entire file.
curl -X PATCH -H "Authorization: Bearer $AIFS_API_KEY" \
-H "Content-Type: application/json" \
-d '{"path":"notes/todo.txt","start_line":5,"end_line":10,"content":"replacement"}' \
https://aifs.space/api/patch
Returns: {"success": true, "lines_before": 42, "lines_after": 38}
Delete File
curl -X DELETE -H "Authorization: Bearer $AIFS_API_KEY" \
-H "Content-Type: application/json" \
-d '{"path":"notes/old.txt"}' \
https://aifs.space/api/delete
Summary (Preview)
Get first 500 chars of a file.
curl -H "Authorization: Bearer $AIFS_API_KEY" "https://aifs.space/api/summary?path=notes/long.txt"
Rate Limits
60 requests/minute per key. Check headers:
X-RateLimit-Limit/X-RateLimit-Remaining/X-RateLimit-Reset
Error Codes
| Code | Meaning |
|---|---|
| AUTH_REQUIRED | No auth provided |
| AUTH_FAILED | Invalid key |
| FORBIDDEN | Key type lacks permission |
| RATE_LIMITED | Too many requests |
| NOT_FOUND | File doesn't exist |
| INVALID_PATH | Path traversal or invalid |
| DEPTH_EXCEEDED | Directory depth > 20 |
Common Patterns
Persist session notes
# Save
curl -X POST -H "Authorization: Bearer $KEY" -H "Content-Type: application/json" \
-d "{\"path\":\"sessions/$(date +%Y-%m-%d).md\",\"content\":\"# Session Notes\\n...\"}" \
https://aifs.space/api/write
# Retrieve
curl -H "Authorization: Bearer $KEY" "https://aifs.space/api/read?path=sessions/2024-01-15.md"
Organize by project
projects/
├── alpha/
│ ├── README.md
│ └── notes.md
└── beta/
└── spec.md
Append to log (read + write)
# Read existing
EXISTING=$(curl -s -H "Authorization: Bearer $KEY" "https://aifs.space/api/read?path=log.txt" | jq -r .content)
# Append and write back
curl -X POST -H "Authorization: Bearer $KEY" -H "Content-Type: application/json" \
-d "{\"path\":\"log.txt\",\"content\":\"$EXISTING\\n$(date): New entry\"}" \
https://aifs.space/api/write