System Prompt

Clawdbot builds a custom system prompt for every agent run. The prompt is Clawdbot-owned and does not use the p-coding-agent default prompt.

The prompt is assembled by Clawdbot and injected into each agent run.

Structure

The prompt is intentionally compact and uses fixed sections:

Tooling: current tool list + short descriptions.
Skills (when available): tells the model how to load skill instructions on demand.
Clawdbot Self-Update: how to run config.apply and update.run.
Workspace: working directory (agents.defaults.workspace).
Documentation: local path to Clawdbot docs (repo or npm package) and when to read them.
Workspace Files (injected): indicates bootstrap files are included below.
Sandbox (when enabled): indicates sandboxed runtime, sandbox paths, and whether elevated exec is available.
Current Date & Time: user-local time, timezone, and time format.
Reply Tags: optional reply tag syntax for supported providers.
Heartbeats: heartbeat prompt and ack behavior.
Runtime: host, OS, node, model, repo root (when detected), thinking level (one line).
Reasoning: current visibility level + /reasoning toggle hint.

Prompt modes

Clawdbot can render smaller system prompts for sub-agents. The runtime sets a promptMode for each run (not a user-facing config):

full (default): includes all sections above.
minimal: used for sub-agents; omits Skills, Memory Recall, Clawdbot Self-Update, Model Aliases, User Identity, Reply Tags, Messaging, Silent Replies, and Heartbeats. Tooling, Workspace, Sandbox, Current Date & Time (when known), Runtime, and injected context stay available.
none: returns only the base identity line.

When promptMode=minimal, extra injected prompts are labeled Subagent Context instead of Group Chat Context.

Workspace bootstrap injection

Bootstrap files are trimmed and appended under Project Context so the model sees identity and profile context without needing explicit reads:

AGENTS.md
SOUL.md
TOOLS.md
IDENTITY.md
USER.md
HEARTBEAT.md
BOOTSTRAP.md (only on brand-new workspaces)

Large files are truncated with a marker. The max per-file size is controlled by agents.defaults.bootstrapMaxChars (default: 20000). Missing files inject a short missing-file marker.

Internal hooks can intercept this step via agent:bootstrap to mutate or replace the injected bootstrap files (for example swapping SOUL.md for an alternate persona).

To inspect how much each injected file contributes (raw vs injected, truncation, plus tool schema overhead), use /context list or /context detail. See Context.

Time handling

The system prompt includes a dedicated Current Date & Time section when user time or timezone is known. It is explicit about:

The user’s local time (already converted).
The time zone used for the conversion.
The time format (12-hour / 24-hour).

Configure with:

agents.defaults.userTimezone
agents.defaults.timeFormat (auto | 12 | 24)

See Date & Time for full behavior details.

Skills

When eligible skills exist, Clawdbot injects a compact available skills list (formatSkillsForPrompt) that includes the file path for each skill. The prompt instructs the model to use read to load the SKILL.md at the listed location (workspace, managed, or bundled). If no skills are eligible, the Skills section is omitted.

<available_skills>
  <skill>
    <name>...</name>
    <description>...</description>
    <location>...</location>
  </skill>
</available_skills>

This keeps the base prompt small while still enabling targeted skill usage.

Documentation

When available, the system prompt includes a Documentation section that points to the local Clawdbot docs directory (either docs/ in the repo workspace or the bundled npm package docs) and also notes the public mirror, source repo, community Discord, and ClawdHub (https://clawdhub.com) for skills discovery. The prompt instructs the model to consult local docs first for Clawdbot behavior, commands, configuration, or architecture, and to run clawdbot status itself when possible (asking the user only when it lacks access).

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