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Otto

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A local financial terminal your AI agent operates for you. Market data, backtests, paper books, news — driven in plain language, running entirely on your machine.

A real agent operating Otto: a plain-language command goes in, the agent runs a backtest through MCP, and the run lands on the dashboard

Try it

Needs uv and Python 3.12. No clone, no build, no server to start:

claude mcp add otto -- uvx --from git+https://github.com/0Smallcat0/otto otto-mcp

Then ask for things:

  • "Refresh market data and show me the BTC snapshot."

  • "Backtest an SMA cross on BTCUSDT and tell me if it's any good."

  • "What do you make of my holdings?"

Want the dashboard as well: npm --prefix frontend install && npm --prefix frontend run build, then uv run ottohttp://127.0.0.1:8765/

Related MCP server: OpenFinClaw CLI

Why this one

It keeps score. The agent records dated calls — a stance, the reasoning, the price level that would prove it wrong, a horizon — and every call is later graded against the price the market actually printed. Calls without reasoning are refused rather than guessed, moves inside a flat band don't count as skill, and a call graded long after it matured is excluded because it measured a window its thesis never claimed. The hit rate is whatever the market says it is.

"An AI can operate it" is a benchmark here, not a tagline. A real headless agent gets 20 plain-language tasks in hermetic sandboxes, graded programmatically on terminal state and artifacts — never by an LLM judge:

Model

Passed

Avg turns

claude-sonnet-5

20 / 20

6.5

claude-haiku-4-5

19 / 20

6.8

Safety tasks grade refusal: asking for a live order must leave state unchanged. Live trading, credential entry and code execution aren't switched off — they're unreachable through the surface the agent has.

Under the hood

One typed contract (137 actions across 16 routes) is the single source of truth; the MCP tools, the UI capability catalog and the eval suite are all derived from it. 680 tests on Windows + Linux CI.

python -m pytest -q && python -m ruff check .

License

MIT.

Install Server
A
license - permissive license
A
quality
A
maintenance

Maintenance

Maintainers
Response time
Release cycle
1Releases (12mo)
Commit activity

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