FlowJet

🎥 Watch the demo on Vimeo

FlowJet is a friendly one-shot coding agent for your terminal. Ask a question in plain English, get an answer — no UI, no context-switching.

fj explain this repo                    # the short alias for flowjet-agent
fj -f what did we decide last time       # continue the last conversation
fjf what did we decide last time        # alias of fj -f

It runs on soothe-nano — tools, skills, MCP, subagents, and progressive loading — with SQLite persistence so every conversation is resumable.

Package: flowjet-agent · aliases: fj, fjf (=-f) · Runtime: soothe-nano · Naming details: docs/naming.md

Install

pip install flowjet-agent
# or
uv tool install flowjet-agent

Requires Python 3.11+.

Configure

Option A — Local model (guided setup):

fj setup

This walks you through an OpenAI-compatible endpoint (Ollama, LM Studio, vLLM, …) and writes the basics to ~/.soothe/config/nano.yml.

Option B — Cloud (no config file needed):

export OPENAI_API_KEY=sk-...
fj summarize README.md

Without a nano.yml, FlowJet falls back to OPENAI_API_KEY or ANTHROPIC_API_KEY.

Doctor

Check whether your machine is ready to run fj (tool binaries, providers, observability):

fj doctor                 # quick check
fj doctor --deep          # thorough check
fj doctor --live-llm      # actually call the model
fj doctor --format json   # machine-readable

Conversations

Threads persist in SQLite, so you can pick up where you left off — continue the latest, jump to a specific one, or list them:

fj -f and now add tests          # continue latest active thread
fj -t abc123 continue from here  # continue a specific thread
fj -l                            # list recent threads

Flags

fj [options] [--] <query...>

Flag	Meaning
`-f` / `--follow`	Continue the latest active thread
`-t ID` / `--thread`	Continue (or pin) a specific thread (overrides `-f`)
`-l` / `--list`	List recent threads (newest first)
`-n NUM`	How many threads `-l` shows (`0` = all)
`-c PATH` / `--config`	Use an alternate `nano.yml`
`-w DIR` / `--workspace`	Workspace root
`--no-stream`	Wait for the full answer instead of streaming
`-v` / `--verbose`	Mirror tool calls on stderr

-t and -f can be combined; -t wins (explicit id overrides follow).

Shell completion is AI-assisted — it predicts natural-language intents, not just flags:

eval "$(fj completion zsh)"     # or: fj completion bash

Extend

Skills

FlowJet ships with AgentSkills (planning, TDD, debugging, document tools, MCP builder, and more). Add your own in nano.yml:

skills:
  - ~/.soothe/skills/my-reviewer
  - ./skills/deploy

Each skill is a SKILL.md with frontmatter; progressive loading keeps the catalog compact and loads skills on demand.

MCP servers

Connect any Model Context Protocol server:

mcp_servers:
  - name: filesystem
    transport: stdio
    command: npx
    args: ["-y", "@modelcontextprotocol/server-filesystem", "/tmp"]

With defer: true (the default), MCP tools activate on demand.

Development

git clone https://github.com/caesar0301/flowjet-agent.git
cd flowjet-agent
make sync-dev
make test
make lint

CI runs format, lint, and tests on Python 3.11–3.13; releases go GitHub Release → PyPI.

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Built on soothe-nano. For a full TUI coding agent from the same stack, see mirasoth/soothe.

License

MIT

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