FastClaw / Run the model
agent
Agents are the core objects of FastClaw: models, system files, memories, skills, tools, sessions, sandboxes, and channel bindings are all organized around Agents.

Intelligent body factory
The README refers to FastClaw as Agent Factory. Each Agent can have independent provider/model, system prompts, skills, tool switches, workspace, memory, channels and sessions.
fastclaw agents init alpha \
--provider openai \
--model openai/gpt-4o-mini \
--api-key-env OPENAI_API_KEY
fastclaw agents config alpha set temperature 0.7
fastclaw agents config alpha set sandbox.enabled trueSystem files
Agent system files are the core materials of prompt and memory layers. System files allowed by source code include SOUL.md, IDENTITY.md, USER.md, BOOTSTRAP.md, MEMORY.md, HEARTBEAT.md, AGENTS.md, TOOLS.md, agent.json.
| File | function |
|---|---|
| SOUL.md | The Agent's long-term personality, goals, and work style |
| IDENTITY.md | Identity overlay, takes precedence over regular context |
| USER.md | Current chatter or upstream user information |
| MEMORY.md | long-term facts and preferences |
| AGENTS.md / TOOLS.md | Project rules and tool descriptions |
Prompt assembly
Agent's system prompt will be assembled according to modules: SOUL/IDENTITY, memory, confidentiality, sandbox, task delegation, skills, group chat, thinking, tool discipline, workspace update, etc.
- Prompt mode supports agent, chatbot, and customize.
- IDENTITY OVERRIDE is placed in a key position to ensure that identity documents take priority.
- bindSession will bind session/project/coding root/runtime to the current Agent loop.