Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add skills/superfly/claude-plugins/sprites-apinpx skills add superfly/claude-plugins --skill sprites-apigit clone --depth 1 https://github.com/superfly/claude-pluginsWhat it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00061 | $0.00934 |
| Opus 5 | $0.00030 | $0.00467 |
| Sonnet 5 | $0.00012 | $0.00187 |
| Haiku 4.5 | $0.00006 | $0.00093 |
Grade A, and why
Sprites.dev API scanned grade A with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
curl -X PUT \ How it starts
The opening of the file, as written. The whole thing — 130 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Sprites.dev API Knowledge
Overview
Sprites.dev provides persistent cloud sandboxes (called "sprites") for running code remotely. Key features:
- Persistent ext4 filesystems that survive hibernation
- Auto-hibernation after 30 seconds of inactivity (no compute cost when idle)
- Instant wake on any request
- Session management for long-running processes
- Filesystem API for direct file operations
CLI Reference
Sprite Management
sprite create <name> # Create new sprite
sprite list # List all sprites
sprite use <name> # Set active sprite for directory
sprite use # Show current active sprite
sprite destroy <name> # Delete sprite (permanent)
Command Execution
sprite exec "command" # One-off execution
sprite exec -detachable "command" # Detachable session
sprite exec -env KEY=VAL "command" # With environment variables
sprite exec -dir /path "command" # With working directory
sprite exec -file local:/remote "cmd" # Upload file before exec
Session Management
sprite sessions list # List running sessions
sprite sessions attach <id> # Reattach to session
sprite sessions kill <id> # Terminate session
Detach from session: Press Ctrl+\ (keeps running in background)
Port Forwarding
sprite proxy <port> # Forward sprite port to localhost
Filesystem API
Base URL: https://api.sprites.dev/v1
Auth: Authorization: Bearer <token>
Write File
curl -X PUT \
-H "Authorization: Bearer $TOKEN" \
-H "Content-Type: application/octet-stream" \
--data-binary "@localfile.txt" \
"https://api.sprites.dev/v1/sprites/NAME/fs/write?path=remote.txt&workingDir=/home/sprite&mkdir=true"
Read File
curl -H "Authorization: Bearer $TOKEN" \
"https://api.sprites.dev/v1/sprites/NAME/fs/read?path=file.txt&workingDir=/home/sprite"
List Directory
curl -H "Authorization: Bearer $TOKEN" \
"https://api.sprites.dev/v1/sprites/NAME/fs/list?path=.&workingDir=/home/sprite"
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 2d ago First seen · 130 lines · 61 tokens per session scan A 5bf281e55685
Sprites.dev API is a skill published in the GitHub repository superfly/claude-plugins (2 stars, last pushed 7mo ago), licensed MIT. It adds 61 tokens to every session and 934 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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