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/comet-ml/opik/local-devnpx skills add comet-ml/opik --skill local-devgit clone --depth 1 https://github.com/comet-ml/opikWhat 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 | $0.00023 | $0.00799 |
| Opus 5 | $0.00012 | $0.00400 |
| Sonnet 5 | $0.00005 | $0.00160 |
| Haiku 4.5 | $0.00002 | $0.00080 |
Grade C, and why
local-dev scanned grade C 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.
Recursive force deletehighDestructive command
rm -rf with a variable or a broad path is one typo away from removing the wrong tree.
cd apps/opik-frontend && rm -rf node_modules && npm install How it starts
The opening of the file, as written. The whole thing — 94 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Local Development
Quick Start
./scripts/dev-runner.sh --restart # First time / full rebuild
./scripts/dev-runner.sh --start # Daily start (no rebuild)
./scripts/dev-runner.sh --stop # Stop everything
./scripts/dev-runner.sh --verify # Check status
Modes
| Mode | Command | Frontend | Use When |
|---|---|---|---|
| Standard | --restart |
localhost:5174 | Frontend work, full-stack |
| BE-only | --be-only-restart |
localhost:5173 | Backend-focused, faster rebuilds |
| Platform (EM) | PLATFORM_ENABLED=true ./scripts/dev-runner.sh --restart |
localhost:9100 | Opik-team only: run Opik connected to the Comet Platform |
Platform (EM) mode — Opik-team only
PLATFORM_ENABLED=true runs the Comet EM/Platform stack (comet-backend +
comet-react, auto-detected sibling checkouts) alongside Opik behind a
single-origin nginx proxy, with Opik in comet mode authenticating/resolving
workspaces via comet-backend. Off by default — Standard/BE-only dev is
unaffected. comet-backend builds under a detected JDK 17/21; Opik still uses JDK 25.
PLATFORM_ENABLED=true ./scripts/dev-runner.sh --restart # then also --start/--stop/--verify
# Integrated UI: http://localhost:9100 (comet-react / Platform)
# http://localhost:9100/opik (Opik, comet mode)
Env vars (COMET_BACKEND_PATH, COMET_REACT_PATH, PLATFORM_JAVA_HOME, PLATFORM_*_PORT)
and --platform-build are documented in ./scripts/dev-runner.sh --help.
URLs
- Frontend: localhost:5174 (standard) / localhost:5173 (BE-only)
- Backend API: localhost:8080
- Health: http://localhost:8080/health-check?name=all
Build Commands
./scripts/dev-runner.sh --build-be # Backend only
./scripts/dev-runner.sh --build-fe # Frontend only
./scripts/dev-runner.sh --lint-be # Spotless
./scripts/dev-runner.sh --lint-fe # ESLint
./scripts/dev-runner.sh --migrate # DB migrations
Logs
tail -f /tmp/opik-backend.log # Backend
tail -f /tmp/opik-frontend.log # Frontend (standard)
docker logs -f opik-frontend-1 # Frontend (BE-only)
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 · 94 lines · 23 tokens per session scan C 60b225f3ef00
local-dev is a skill published in the GitHub repository comet-ml/opik (21,685 stars, last pushed 2d ago), licensed Apache-2.0. It adds 23 tokens to every session and 799 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it C with 1 finding (recursive force delete). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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