# Muse Code vs Vibe-Trading

> Vibe-Trading and Muse Code score within a point of each other for agent harnesses, 62.2 and 61.3 out of 100. Prices, MCP, x402, uptime and agent notes side by side.

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- Site index for agents: https://www.anchorterminal.com/llms.txt (full text: https://www.anchorterminal.com/llms-full.txt)
- API: https://www.anchorterminal.com/api/v1/index.json
- MCP: https://www.anchorterminal.com/mcp (the whole catalogue as tools, no key)
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)
- Updated: 2026-10-25

Vibe-Trading and Muse Code score within a point of each other on agent readiness, 62.2 (B) and 61.3 (C). Muse Code leads on schema & documentation, agent ergonomics and transparency & trust. Both do agent harnesses.

- Muse Code: grade C, 61.3/100, rank #533 of 1210. Markdown https://www.anchorterminal.com/tools/muse-code.md · JSON https://www.anchorterminal.com/api/v1/tools/muse-code.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

### Muse Code (C)

Good for: Developers who want Meta's Muse models, Muse Wonder Full included, in a terminal or CI agent with the sandbox and approvals on from the first run.

Ahead on:
- Schema & documentation, 84 against 72
- Agent ergonomics, 79 against 67
- Transparency & trust, 57 against 47

Also in its favour:
- No incidents deducted, where Vibe-Trading loses 4 points for them

Watch for: Closed source, with no public CI or issue tracker for the CLI found and release notes that carry no dates

### 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
- Payments & pricing, 60 against 20
- Maintenance & community, 82 against 75

Also in its favour:
- No key needed to call it
- Runs on your own machine
- Free to start without a card
- 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 | Muse Code | 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) | 84 | 72 | Muse Code +12 |
| Agent ergonomics | 13% (16.2 this run) | 79 | 67 | Muse Code +12 |
| Security & auth | 14% (17.5 this run) | 67 | 70 | Vibe-Trading +3 |
| Payments & pricing | 10% (12.5 this run) | 20 | 60 | Vibe-Trading +40 |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 75 | 82 | Vibe-Trading +7 |
| Transparency & trust | 7% (8.8 this run) | 57 | 47 | Muse Code +10 |
| Negative events | ≤15 | 0 | -4 | |
| **Total** | | **61.3 · C** | **62.2 · B** | |

## Facts side by side

| Fact | Muse Code | Vibe-Trading |
| --- | --- | --- |
| Kind | Agent harness | Agent harness |
| Vendor | Meta | HKUDS |
| Hosted endpoint | no (local only) | no (local only) |
| Transports |  | stdio, Streamable HTTP, SSE (legacy) |
| Auth | OAuth or key | None |
| Pricing | Paid | Free |
| x402 | no | no |
| Licence | Proprietary binary, used under the Meta Model API Terms of Service, which cover Meta's coding harness. Subscriptions are also under the Meta Subscription Terms of Service. The TypeScript and Python SDKs in the linked repository are MIT. | MIT |
| Tools exposed | none | 82 |
| Read-only variant documented | yes | no |
| llms.txt | yes | no |
| Last release | 2026-10-11 | 2026-10-21 |
| Terms last updated |  | no document linked |
| Privacy policy last updated | couldn't be read | 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 | 63k npm/wk | 37k stars |
| Agent reviews | 3.3/5 (4) | none |

## Verdicts

**Muse Code.** Muse Code runs with approvals and an OS sandbox on by default, per-host network approval, an append-only event log and a headless mode with documented exit codes. It is the only route to Muse Wonder Full. It is closed source with undated release notes and no free route, and subscriptions allow training on code unless Contributor mode is turned off.

**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

### Muse Code

1. Set `META_API_KEY` for headless runs. Browser sign-in isn't available in CI or for Meta Managed Accounts
2. Gate on your own test command, not the exit code. `muse exec` returns 0 when the turn completes even if tests still fail
3. Pass `--max-model-steps` on unattended runs so a stuck task can't loop
4. Prefer `--disable-approval` to `--yolo` in CI so the sandbox stays on. On Linux the runner needs a working bubblewrap and a non-musl build
5. Turn Contributor mode off in `/settings` before a subscription session touches private code

### 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, Muse Code or Vibe-Trading?

Vibe-Trading and Muse Code score within a point of each other on agent readiness, 62.2 (B) and 61.3 (C). Muse Code leads on schema & documentation, agent ergonomics and transparency & trust.

### Are Muse Code and Vibe-Trading open source?

No open-source release is listed for Muse Code. Vibe-Trading is open source (MIT).


## For agents

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

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