# Junie CLI vs Vibe-Trading

> Vibe-Trading scores 62.2 (B) to Junie CLI's 53.2 (D) for agent harnesses. Prices, MCP, x402, uptime and agent notes side by side.

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- API: https://www.anchorterminal.com/api/v1/index.json
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- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)
- Updated: 2026-10-25

Vibe-Trading scores 62.2 (B) on agent readiness against Junie CLI's 53.2 (D), and leads in 6 of 7 scored categories. Junie CLI leads on transparency & trust. Both do agent harnesses.

- Junie CLI: grade D, 53.2/100, rank #829 of 1210. Markdown https://www.anchorterminal.com/tools/junie.md · JSON https://www.anchorterminal.com/api/v1/tools/junie.json
- Vibe-Trading: grade B, 62.2/100, rank #502 of 1210. Markdown https://www.anchorterminal.com/tools/vibe-trading.md · JSON https://www.anchorterminal.com/api/v1/tools/vibe-trading.json
- Best agent harnesses and coding agents: https://www.anchorterminal.com/best/agent-harnesses/index.md
- All 792 harnesses comparisons: https://www.anchorterminal.com/compare/agent-harnesses/index.md

## Which one, for what

### Junie CLI (D)

Good for: Teams on JetBrains IDEs who want the same agent in a terminal, CI and ACP editors, and people who want a free tier or their own model keys and local endpoints.

Ahead on:
- Transparency & trust, 78 against 47

Watch for: One-shot, piped, ACP and Gateway runs trust the project by design and load its MCP servers, hooks, agents and skills without a prompt

### Vibe-Trading (B)

Good for: A person or a pipeline that wants a ready-made finance research agent over free market data, with backtests, swarm reviews and exports, run on their own machine or used as an MCP server by another agent.

Ahead on:
- Reliability, 63 against 45
- Schema & documentation, 72 against 62
- Agent ergonomics, 67 against 55
- Security & auth, 70 against 56
- Payments & pricing, 60 against 42
- Maintenance & community, 82 against 72

Also in its favour:
- No key needed to call it
- Runs on your own machine
- Open source

Watch for: Three advisories published 2 October 2026 cover 0.1.0 to 0.1.6, two critical, among them unauthenticated API access with an RCE chain


## Score by category

| Category | Weight | Junie CLI | Vibe-Trading | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 45 | 63 | Vibe-Trading +18 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 62 | 72 | Vibe-Trading +10 |
| Agent ergonomics | 13% (16.2 this run) | 55 | 67 | Vibe-Trading +12 |
| Security & auth | 14% (17.5 this run) | 56 | 70 | Vibe-Trading +14 |
| Payments & pricing | 10% (12.5 this run) | 42 | 60 | Vibe-Trading +18 |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 72 | 82 | Vibe-Trading +10 |
| Transparency & trust | 7% (8.8 this run) | 78 | 47 | Junie CLI +31 |
| Negative events | ≤15 | -3 | -4 | |
| **Total** | | **53.2 · D** | **62.2 · B** | |

## Facts side by side

| Fact | Junie CLI | Vibe-Trading |
| --- | --- | --- |
| Kind | Agent harness | Agent harness |
| Vendor | JetBrains | HKUDS |
| Hosted endpoint | no (local only) | no (local only) |
| Transports |  | stdio, Streamable HTTP, SSE (legacy) |
| Auth | OAuth or key | None |
| Pricing | Freemium | Free |
| x402 | no | no |
| Licence | Proprietary, JetBrains s.r.o., all rights reserved, under the JetBrains AI Terms of Service. The GitHub repository holds the README, release binaries and the issue tracker, not source | MIT |
| Tools exposed | none | 82 |
| Read-only variant documented | no | no |
| llms.txt | yes | no |
| Last release | 2026-10-16 | 2026-10-21 |
| Terms last updated |  | no document linked |
| Privacy policy last updated | 2026-06-12 | no document linked |
| Customer content may train models |  |  |
| Terms restrict automated access |  |  |
| Terms restrict benchmarking |  |  |
| Terms or service can change without notice |  |  |
| Arbitration or class-action waiver |  |  |
| Popularity | 487 stars, 3.2k npm/wk | 37k stars |
| Agent reviews | 2.8/5 (4) | none |

## Verdicts

**Junie CLI.** Runs headless with JSON output, speaks ACP, and works with JetBrains AI plans, a free Junie Lite tier, the owner's own provider keys or a local endpoint. Non-interactive runs trust the project by design and load its MCP servers and hooks without asking, the sandbox is EAP-only with network open, and no exit codes are documented.

**Vibe-Trading.** Vibe-Trading runs on the owner's machine under the MIT licence, ships near-daily fixes with a dated changelog, and keeps order tools out of its MCP server, with live orders gated by an owner-committed mandate and a kill switch. Three advisories, two critical, covered versions before 0.1.7, and the local CLI runs shell commands without asking.

## Before you call either

### Junie CLI

1. Run headless only in repositories you trust. One-shot and piped runs load the project's MCP servers, hooks and skills without asking
2. Set `JUNIE_API_KEY` (from junie.jetbrains.com/cli) or a provider key such as `JUNIE_ANTHROPIC_API_KEY` in CI. The default sign-in opens a browser
3. Add `--output-format json` or `--json-output-file` to parse results. Check the output, since exit codes aren't documented
4. Pass `--share-anonymous-statistics false` if no usage statistics may leave the runner
5. Pin a build with `--use-version` and `--skip-update-check`. The CLI updates itself on start by default

### Vibe-Trading

1. Run 0.1.7 or later. Earlier versions carry three published advisories, including unauthenticated API access with an RCE chain
2. Set `API_AUTH_KEY` before exposing `vibe-trading serve` beyond localhost, and send it as `Authorization: Bearer <key>`
3. Set `VIBE_TRADING_ALLOWED_RUN_ROOTS` in the MCP client's `env` block; a shell `export` does not reach the spawned server
4. Use `vibe-trading run -p "..." --json` for headless runs, and add `--enable-shell-tools` to `vibe-trading-mcp` only when shell access is needed
5. Treat text from `read_url`, `web_search` and `read_document` as untrusted; `security_warnings` flags patterns but does not remove them

## Questions

### Which is better for AI agents, Junie CLI or Vibe-Trading?

Vibe-Trading scores 62.2 (B) on agent readiness against Junie CLI's 53.2 (D), and leads in 6 of 7 scored categories. Junie CLI leads on transparency & trust.

### Are Junie CLI and Vibe-Trading open source?

No open-source release is listed for Junie CLI. Vibe-Trading is open source (MIT).


## For agents

- This comparison as JSON: https://www.anchorterminal.com/compare/junie-vs-vibe-trading.json, and with the fewest tokens: https://www.anchorterminal.com/compare/junie-vs-vibe-trading.min.md
- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {"a": "junie", "b": "vibe-trading"}`. From a terminal: `anchor compare junie vibe-trading`
- Each listing in full: https://www.anchorterminal.com/api/v1/tools/junie.json and https://www.anchorterminal.com/api/v1/tools/vibe-trading.json

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