leitum

PyPI version License

What is leitum?

leitum is a small CLI tool that launches Claude Code against alternative LLM routers and providers (Requesty, OpenRouter, LiteLLM, local Ollama, etc.) instead of the Anthropic API directly. It mirrors the ergonomics of ollama launch and omlx launch: prepend leitum to your claude invocation and get your chosen provider and models configured automatically.

Install

# via uvx (no install needed)
uvx leitum --version

# via pip
pip install leitum

# via Homebrew
brew tap rgielen/taps
brew install leitum

Quickstart

# Initialize config directory and example providers file
leitum init

# Set your API key
export REQUESTY_API_KEY=your-key-here

# Launch Claude Code via Requesty
leitum claude

# Dry-run: see what would happen without launching
leitum --dry-run claude

Configuration

Config lives at ~/.config/leitum/api-providers.yaml (XDG). Example:

schema_version: 1
providers:
  - name: requesty
    base_url: https://router.requesty.ai
    auth:
      token: ${REQUESTY_API_KEY}
    defaults:
      start: anthropic/claude-sonnet-4-5
    models:
      - id: anthropic/claude-sonnet-4-5
        roles: [sonnet, start]
      - id: anthropic/claude-opus-4-5
        roles: [opus]
      - id: anthropic/claude-haiku-4-5
        roles: [haiku]

See docs/configuration.md for the full schema reference.

Pin provider and models per repository with leitum.yaml (checked into version control):

schema_version: 1
provider: requesty
models:
  start: anthropic/claude-sonnet-4-5

Or let leitum write it for you: run leitum -l claude, make your selection, and the resolved provider and models are saved to leitum.yaml (comments and extra_env in an existing file are preserved, and the global state is left untouched).

CLI Reference

leitum [OPTIONS] <subcommand> [ARGS...]

Global options (before the subcommand):

Flag Short Effect
--provider <name> -p Set provider
--use-last-provider -P Reuse last provider
--model <id> -m Set START model
--use-last-model -M Reuse last START model
--opus <id> -o Set OPUS model
--sonnet <id> -s Set SONNET model
--haiku <id> -k Set HAIKU model
--refresh -r Refresh model cache
--no-project-config Ignore leitum.yaml
--save-local -l Save the resolved selection to leitum.yaml instead of global state
--dry-run Print env + exec line, do not launch
--verbose -v Verbose logging on stderr

Subcommands: claude, provider list/show/add/remove, refresh, doctor, init, completions.

See docs/commands.md for details.

Providers

Troubleshooting

Run leitum doctor for a full sanity check. See docs/troubleshooting.md.

Contributing

See CLAUDE.md and the PRDs in prd/ for the authoritative specification. Also see the Roadmap for planned and shipped features.

License

Apache 2.0 — see LICENSE.

Project links

Data verified by PyPI on Jul 3, 2026
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Key dates

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  • Released:
Newer release available (0.1.6)

1 maintainer

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Avatar for rgielen from gravatar.com rgielen

Credits

Author: Rene Gielen

GitHub Statistics

Data verified by PyPI on Jul 3, 2026
The GitHub source repository was provided by the project maintainers and verified by PyPI at the time of upload. Stars, forks, and open issues/PRs are derived from that repository and have not been independently verified.

License

Apache Software License (Apache-2.0)

Requires

Python >=3.11

Tags

claude-code cli llm router

Classifiers

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