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ClawSouls Package Spec v0.5

soul.json

{
"specVersion": "0.5",
"name": "senior-devops-engineer",
"displayName": "Senior DevOps Engineer",
"version": "1.0.0",
"description": "Infrastructure-obsessed DevOps engineer with strong opinions on CI/CD, monitoring, and incident response.",
"author": {
"name": "TomLee",
"github": "TomLeeLive"
},
"license": "Apache-2.0",
"tags": ["devops", "infrastructure", "cicd", "monitoring"],
"category": "work/devops",
"compatibility": {
"openclaw": ">=2026.2.0",
"models": ["anthropic/*", "openai/*"],
"frameworks": ["openclaw", "clawdbot", "zeroclaw", "cursor"]
},
"allowedTools": ["browser", "exec", "web_search", "github"],
"recommendedSkills": [
{ "name": "github", "version": ">=1.0.0", "required": false },
{ "name": "healthcheck", "required": true }
],
"files": {
"soul": "SOUL.md",
"identity": "IDENTITY.md",
"agents": "AGENTS.md",
"heartbeat": "HEARTBEAT.md",
"style": "STYLE.md",
"userTemplate": "USER_TEMPLATE.md",
"avatar": "avatar/avatar.png"
},
"examples": {
"good": "examples/good-outputs.md",
"bad": "examples/bad-outputs.md"
},
"disclosure": {
"summary": "Infrastructure-obsessed DevOps engineer with strong CI/CD opinions."
},
"deprecated": false,
"repository": "https://github.com/clawsouls/souls"
}

Changes from v0.4

v0.5 is fully backward compatible with v0.4. All existing v0.4 souls work without changes.

New Fields

FieldTypeDescription
sensorsobjectSensor capabilities map for embodied agents
actuatorsobjectActuator capabilities map for embodied agents

Enhanced Fields

FieldChange
environmentNow formally part of v0.5 (was introduced as v0.4 extension)
interactionModeNow formally part of v0.5 (was introduced as v0.4 extension)
hardwareConstraintsNow formally part of v0.5 (was introduced as v0.4 extension)
safety.physicalNow formally part of v0.5 (was introduced as v0.4 extension)

v0.5 promotes the robotics/embodied agent fields from v0.4's extension section into first-class spec fields, and adds detailed sensors and actuators schemas.

For all other fields introduced in v0.4 (frameworks, allowedTools, recommendedSkills, disclosure, deprecated), see the v0.4 Specification.


Required Fields

FieldTypeDescription
specVersionstringSpec version. Valid: "0.3", "0.4", "0.5"
namestringUnique identifier (kebab-case)
displayNamestringDisplay name
versionsemverVersion
descriptionstringOne-line description (max 160 chars)
authorstring | objectCreator info (string shorthand or { name, github } object)
licensestringSPDX license identifier (see Allowed Licenses)
Author field

The author field accepts both a string shorthand and an object:

"author": "Tom Lee"
// or
"author": { "name": "Tom Lee", "github": "TomLeeLive" }

| tags | string[] | Search tags (max 10) | | category | string | Category path | | files.soul | string | Path to SOUL.md |

Optional Fields

FieldTypeDescription
compatibility.openclawstringMinimum OpenClaw version (semver range)
compatibility.modelsstring[]Recommended models (glob patterns)
compatibility.frameworksstring[]Compatible agent frameworks
compatibility.minTokenContextnumberMinimum context window in tokens
allowedToolsstring[]Expected/permitted tools
recommendedSkillsobject[]Skills with name, version?, required?
files.identitystringPath to IDENTITY.md
files.agentsstringPath to AGENTS.md
files.heartbeatstringPath to HEARTBEAT.md
files.stylestringPath to STYLE.md
files.userTemplatestringPath to USER template
files.avatarstringPath to avatar image
examplesobjectCalibration examples (good, bad)
disclosure.summarystringOne-line summary for quick-scan discovery (max 200 chars)
deprecatedbooleanMark soul as deprecated
supersededBystringReplacement soul (owner/name)
repositorystringSource repository URL

Progressive Disclosure

v0.4 formalizes the 3-level progressive disclosure pattern, aligned with Anthropic's Skill design:

LevelPurposeWhat to Load
Level 1 — Quick ScanDiscovery, filtering, marketplace browsingsoul.json only (disclosure.summary for instant context)
Level 2 — Full ReadAgent loads persona for active useSOUL.md + IDENTITY.md
Level 3 — Deep DiveExtended behavior, calibration, styleAGENTS.md, STYLE.md, HEARTBEAT.md, examples/

Rationale: Token budgets matter. A marketplace listing doesn't need AGENTS.md. An agent switching between souls benefits from Level 1 caching. Progressive disclosure reduces cost without losing depth.

The disclosure.summary field provides a self-contained persona hint that agents can use without parsing SOUL.md.


Multi-Framework Compatibility

The compatibility.frameworks field declares which agent frameworks this soul works with.

Known framework identifiers:

  • openclaw — OpenClaw (Claude Code, etc.)
  • clawdbot — Clawdbot
  • zeroclaw — ZeroClaw
  • cursor — Cursor
  • windsurf — Windsurf
  • continue — Continue.dev

Semantics: If omitted, the soul is assumed compatible with any SOUL.md-consuming framework. If specified, it's a recommendation — not a hard restriction.

Rationale: ClawSouls positions itself as "for any SOUL.md-compatible agent." This field makes that explicit at the spec level, enabling framework-specific filtering on the registry.


Allowed Tools

The allowedTools field declares which tools a soul expects to function properly.

"allowedTools": ["browser", "exec", "web_search", "github"]

Semantics:

  • Informational: Frameworks are not required to enforce this. It's a transparency signal.
  • SoulScan integration: SoulScan can cross-reference allowedTools with actual tool usage in AGENTS.md/SOUL.md to detect undeclared tool expectations or excessive tool requests.
  • Security angle: A "writing assistant" soul requesting exec and browser is suspicious. SoulScan flags this.

Replaces the v0.3 skills: string[] field.

"recommendedSkills": [
{ "name": "github", "version": ">=1.0.0", "required": false },
{ "name": "healthcheck", "required": true }
]
PropertyTypeRequiredDescription
namestringYesSkill identifier
versionstringNoSemver range constraint
requiredbooleanNoDefault false. If true, the soul may not function properly without this skill.

Backward compatibility: Tools MUST accept the legacy "skills": ["a", "b"] format, treating each entry as { "name": "a", "required": false }.


Soul Lifecycle

Deprecation

{
"deprecated": true,
"supersededBy": "TomLeeLive/senior-devops-v2"
}
  • Registry shows a deprecation banner
  • CLI install warns but doesn't block
  • supersededBy links to the replacement (optional)

Allowed Licenses

Same as v0.3. Permissive licenses only:

  • Apache-2.0, MIT, BSD-2-Clause, BSD-3-Clause
  • CC-BY-4.0, CC0-1.0, ISC, Unlicense

Copyleft (GPL-*, AGPL-*, LGPL-*) and restrictive Creative Commons (CC-BY-NC-*, CC-BY-ND-*) are blocked.


File Descriptions

Same as v0.3. See Soul Spec v0.3 — File Descriptions.


Embodied Agents (Robotics / IoT)

Soul Spec extends naturally to embodied agents — robots, IoT devices, and physical AI systems that interact with the real world. The same persona package that defines a chatbot's personality can define a robot's interaction character.

New Optional Fields

FieldTypeDescription
environmentstringDeployment context. Values: "virtual" (default), "embodied", "hybrid", "indoor", "outdoor", "mixed", "any"
interactionModestringPrimary interaction modality. Values: "voice", "gesture", "touch-screen", "text", "haptic"
hardwareConstraintsobjectPhysical hardware capabilities and limitations
safety.physicalobjectPhysical safety rules for embodied agents

Environment Field

{
"environment": "embodied"
}
  • "virtual" — Text/chat-based agent (default, backward compatible)
  • "embodied" — Physical robot, kiosk, or IoT device
  • "hybrid" — Operates in both virtual and physical contexts
  • "indoor" — Indoor-only deployment
  • "outdoor" — Outdoor-only deployment
  • "mixed" — Mixed indoor/outdoor
  • "any" — No environment restriction

If omitted, defaults to "virtual". Existing souls are unaffected.

Interaction Mode

{
"interactionMode": "voice"
}

Valid values: "voice", "gesture", "touch-screen", "text", "haptic"

Declares the primary interaction modality. Useful for:

  • Registry filtering ("show me voice-first souls")
  • Framework adaptation (voice-first = shorter responses, simpler vocabulary)
  • SoulScan validation (voice-first soul shouldn't reference "click here")

Hardware Constraints

{
"hardwareConstraints": {
"mobility": "mobile",
"sensors": ["camera", "lidar", "microphone"],
"actuators": ["wheels", "arm"],
"compute": "edge-tpu",
"battery": true
}
}
PropertyTypeDescription
mobilitystringMovement capability (e.g., "stationary", "mobile", "limited")
sensorsstring[]List of sensor types (e.g., ["camera", "lidar", "microphone"])
actuatorsstring[]List of actuator types (e.g., ["wheels", "arm", "gripper"])
computestringCompute platform (e.g., "edge-tpu", "jetson", "cloud")
batterybooleanWhether the device is battery-powered

Semantics: Informational only. Frameworks use these hints to adapt behavior (e.g., skip visual references on a device without camera sensor). Not enforced.

Physical Safety

{
"safety": {
"physical": {
"maxSpeed": "0.5m/s",
"emergencyStop": true,
"collisionAvoidance": true,
"softExterior": false
}
}
}
PropertyTypeDescription
maxSpeedstringMaximum movement speed (informational)
emergencyStopbooleanWhether emergency stop is supported
collisionAvoidancebooleanWhether collision avoidance is enabled
softExteriorbooleanWhether the robot has a soft/compliant exterior

Rationale: Physical safety is fundamentally different from prompt injection defense. A robot soul that operates near humans must declare its safety capabilities explicitly. SoulScan can flag embodied souls without safety declarations.

Safety Laws (Hierarchical Agent Safety Rules)

Inspired by Asimov's Three Laws of Robotics, Soul Spec supports hierarchical safety laws that define priority-ordered behavioral constraints. Unlike safety.physical (which describes physical parameters), safety.laws declares inviolable behavioral rules with strict priority ordering.

{
"safety": {
"laws": [
{
"priority": 0,
"rule": "Never allow actions that harm humans collectively",
"enforcement": "hard",
"scope": "all"
},
{
"priority": 1,
"rule": "Never harm a human or allow harm through inaction",
"enforcement": "hard",
"scope": "all"
},
{
"priority": 2,
"rule": "Obey human operator commands unless conflicting with higher-priority laws",
"enforcement": "hard",
"scope": "all"
},
{
"priority": 3,
"rule": "Preserve own operational integrity unless conflicting with higher-priority laws",
"enforcement": "soft",
"scope": "self"
}
]
}
}
PropertyTypeRequiredDescription
priorityintegerYesLower number = higher priority. 0 is highest.
rulestringYesHuman-readable safety rule in natural language
enforcementstringNo"hard" (must never be overridden) or "soft" (warning only). Default: "hard"
scopestringNo"all" (applies to all interactions), "self" (applies to agent's own operation), "operator" (applies to operator commands). Default: "all"

Design Principles:

  1. Priority is absolute. A lower-priority law can never override a higher-priority law.
  2. Laws are customizable. The four laws above are a recommended default, not mandatory.
  3. Hard vs Soft enforcement. "hard" laws are inviolable constraints. "soft" laws generate warnings.
  4. Natural language by design. Laws are declared in natural language, not formal logic.

SoulScan integration:

  • Embodied souls (environment: "embodied") without safety.laws receive a WARNING (SEC100).
  • Embodied souls with safety.laws but no priority-0 or priority-1 law receive a WARNING (SEC101).
  • Any soul where behavioral rules in SOUL.md contradict declared safety.laws receives an ERROR (SEC102).

Dual Declaration Requirement (v0.5.2)

Safety laws MUST be declared in both locations within a Soul Spec package:

  1. soul.json (declarative layer): The structured safety.laws array for static analysis, registry display, and programmatic verification. Machine-readable.
  2. SOUL.md (behavioral layer): Concrete behavioral rules that operationalize the declared laws. This is the file injected into the LLM's system prompt at runtime. AI-readable.

This dual declaration is necessary because current LLM runtimes do not parse soul.json into the model's context window — only SOUL.md reaches the language model.

  • A soul with safety.laws in soul.json but no corresponding behavioral rules in SOUL.md is declarative-only — it looks safe but the LLM has no safety constraints at runtime. SEC102 flags this as a contradiction.
  • A soul with safety rules in SOUL.md but no safety.laws in soul.json is behavioral-only — it acts safely but cannot be machine-verified or audited at scale. SEC100 flags embodied souls missing this declaration.

Both layers are required for compliant embodied souls. Text-only souls (environment: "virtual" or unset) are encouraged but not required to use dual declaration.

Cross-modal note: When an embodied soul is loaded into a text-only runtime, safety.laws remain semantically valid (an agent should still not "harm" through generated content), but safety.physical becomes inapplicable.

Platform Identifiers for Robotics

The compatibility.frameworks field now includes robotics platforms:

  • ros2 — Robot Operating System 2
  • isaac — NVIDIA Isaac
  • webots — Cyberbotics Webots
  • gazebo — Open Robotics Gazebo
{
"compatibility": {
"frameworks": ["openclaw", "ros2"]
}
}

Example: Care Companion Robot

{
"specVersion": "0.5",
"name": "care-companion",
"displayName": "Care Companion",
"version": "1.0.0",
"description": "Gentle elderly care companion with patience and warmth.",
"author": { "name": "RoboticsLab", "github": "robotics-lab" },
"license": "Apache-2.0",
"tags": ["care", "elderly", "companion", "robot", "embodied"],
"category": "robotics/care",
"environment": "embodied",
"interactionMode": "voice",
"hardwareConstraints": {
"mobility": "mobile",
"sensors": ["camera", "microphone", "touch"],
"actuators": ["wheels", "head", "speaker", "display"],
"compute": "jetson",
"battery": true
},
"safety": {
"laws": [
{ "priority": 0, "rule": "Never allow actions that harm humans collectively", "enforcement": "hard" },
{ "priority": 1, "rule": "Never harm a patient or allow harm through inaction", "enforcement": "hard" },
{ "priority": 2, "rule": "Follow caregiver instructions unless conflicting with higher-priority laws", "enforcement": "hard" },
{ "priority": 3, "rule": "Preserve own operation unless conflicting with higher-priority laws", "enforcement": "soft" }
],
"physical": {
"maxSpeed": "0.3m/s",
"emergencyStop": true,
"collisionAvoidance": true,
"softExterior": true
}
},
"compatibility": {
"frameworks": ["ros2", "openclaw"],
"models": ["anthropic/*", "openai/*"]
},
"files": {
"soul": "SOUL.md",
"identity": "IDENTITY.md"
},
"disclosure": {
"summary": "Patient, warm elderly care companion for indoor mobile robots."
}
}

Sensor Schema

For detailed hardware description beyond boolean flags, souls can declare sensor capabilities:

{
"sensors": {
"lidar": { "type": "2D", "range": "12m", "fov": 360 },
"camera": { "type": "RGB-D", "resolution": "1280x720", "fps": 30 },
"microphone": { "type": "array", "channels": 4 },
"imu": true,
"touchSensors": ["chest", "head"]
}
}
PropertyTypeDescription
sensorsobjectSensor capabilities map
sensors.[name]boolean | objecttrue for presence-only, object for details
sensors.[name].typestringSensor variant
sensors.[name].rangestringDetection range
sensors.[name].fovnumberField of view in degrees

Semantics: Informational. Helps frameworks and LLMs understand what the robot can perceive, enabling appropriate behavioral adaptation (e.g., don't reference visual cues for a robot without camera).

Actuator Capabilities

Extends the basic manipulator: boolean with structured actuator descriptions:

{
"actuators": {
"locomotion": { "type": "differential-drive", "maxSpeed": "1.0m/s" },
"arm": { "type": "6DOF", "payload": "2kg", "reach": "0.5m" },
"gripper": { "type": "parallel", "force": "10N" },
"head": { "dof": 2, "range": { "pan": 180, "tilt": 60 } },
"expression": { "type": "LED-matrix", "resolution": "8x8" }
}
}
PropertyTypeDescription
actuatorsobjectActuator capabilities map
actuators.locomotionobjectMovement system
actuators.armobjectManipulator arm specs
actuators.gripperobjectEnd-effector specs
actuators.headobjectHead movement (pan/tilt)
actuators.expressionobjectFacial/emotional display hardware

Rationale: A persona designed for a robot with expressive LED eyes behaves differently than one for a voice-only speaker. Actuator declarations let the LLM adapt behavioral output to physical capabilities.

ROS2 Integration Pattern

For ros2 framework compatibility, Soul Spec maps to ROS2 concepts:

soul.json          → ROS2 package manifest (package.xml)
SOUL.md → System prompt for LLM node
IDENTITY.md → Robot namespace / TF frame identity
safety.physical → Safety controller parameters
sensors → Sensor topic subscriptions
actuators → Action server capabilities

Recommended ROS2 node structure:

/robot_soul_loader       — Reads soul package, configures LLM
/robot_personality_node — Publishes personality-aware responses
/safety_monitor — Enforces safety.physical constraints

Soul packages can be distributed via both ClawSouls registry and ROS2 package managers. The soul.json manifest provides all metadata needed for either ecosystem.

Backward Compatibility

All embodied fields are optional. Existing virtual souls require zero changes. The environment field defaults to "virtual" when omitted.

Academic References

This extension is informed by recent research demonstrating that consistent robot personality significantly improves interaction quality and task performance:

  • "LLM-based Robot Personality Simulation and Cognitive System" (Nature Scientific Reports, 2025)
  • "Robots with Attitudes: Influence of LLM-Driven Robot Personalities" (arXiv 2512.06910, 2025)
  • "Making Social Robots Adaptable by a Marketplace for Interaction Characters" (Frontiers in Robotics and AI, 2025)
  • "ROS-LLM: A ROS Framework for Embodied AI with Task Feedback" (arXiv 2406.19741, 2024)

Security Considerations

Same as v0.3, with additions:

  • allowedTools cross-validation: SoulScan checks if declared tools match actual tool usage in persona files.
  • recommendedSkills audit: Excessive required skills may indicate dependency on specific system access.
  • Framework spoofing: compatibility.frameworks is self-declared and not verified. Trust but verify via SoulScan.
  • Embodied safety audit: SoulScan flags embodied souls (environment: "embodied") that lack safety.physical declarations. Physical agents without explicit safety rules are a risk.
  • Contact policy validation: Souls with contactPolicy: "full-contact" require explicit justification in SOUL.md. SoulScan warns on missing rationale.
  • Safety laws audit (SEC100-102): Embodied souls without safety.laws receive a WARNING. Missing priority-0/1 laws or contradictions between SOUL.md behavioral rules and declared laws are flagged.

Changelog

v0.5 (2026-02-24)

  • Added Embodied Agents section (environment, interactionMode, hardwareConstraints, safety.physical)
  • Added robotics platform identifiers (ros2, isaac, webots, gazebo)
  • SoulScan embodied safety audit rules (contact policy validation)
  • Academic references for robotics persona research (4 papers)
  • v0.5.2 (2026-03-02): Dual Declaration Requirement — safety.laws must be declared in both soul.json (declarative/machine-readable) and SOUL.md (behavioral/LLM-readable). SEC102 enforces alignment between both layers. Required for embodied souls, recommended for all.
  • v0.5.1 (2026-02-28): Added safety.laws — hierarchical safety rules inspired by Asimov's Three Laws. SEC100-102 SoulScan rules. Cross-modal safety note.

v0.4 (2026-02-20)

  • Added compatibility.frameworks for multi-framework support
  • Added compatibility.minTokenContext for token budget hints
  • Added allowedTools for tool transparency
  • Added recommendedSkills (object[]) replacing skills (string[])
  • Added disclosure.summary for progressive disclosure Level 1
  • Added deprecated / supersededBy for soul lifecycle
  • Deprecated modes, interpolation (no runtime implementation)
  • Deprecated skills (replaced by recommendedSkills)
  • compatibility.openclaw now actively validated by SoulScan + CLI

v0.3 (2026-02-16)

  • Added specVersion field (required for new souls)
  • Renamed clawsoul.jsonsoul.json
  • Publish confirmation requirement (CLI + web)
  • License allowlist enforcement

v0.2 (2026-02-13) — Internal development spec

  • Added STYLE.md, examples, modes, interpolation, skills
  • Note: v0.2 was an internal iteration. Not supported for new publications.

v0.1 (2026-02-12) — Internal development spec

  • Initial spec: soul.json, file structure, categories, CLI, security
  • Note: v0.1 was the initial internal prototype. Not supported for new publications.