Agent soul transfer — export, absorb, and merge AI agent identities across machines
Project description
🚀 SoulPort — Agent Soul Transfer
.bmis the standard format for AI agent souls. The CLI is just the first consumer.
Export your agent's personality, memories, and skills into a single portable file. Move between machines, merge diverged copies, or evaluate on SoulArena.
Migration is the first use case. Evaluation (SoulArena), fusion, version control, and cross-framework interop are next.
Previously known as "BeiMingKungFu" (北冥神功). Renamed to SoulPort in v0.2.0.
Install
pip install soulport
Commands
# Core — transfer
soulport export # Export soul → .bm file
soulport export --layers skills # Soul Shard: export only skills layer
soulport export -l memory -l identity # Soul Shard: multiple layers
soulport absorb ./agent.bm # Restore soul on a new machine
soulport absorb ./agent.bm -i # Interactive: select layers to absorb
soulport merge a.bm b.bm -o out.bm # Merge multiple agent souls
soulport merge a.bm b.bm --semantic # LLM-assisted semantic merge
soulport merge a.bm b.bm --semantic --dry-run # Preview merge plan
soulport inspect ./agent.bm # Preview package contents
# Diagnose
soulport doctor # Five-layer health check + score
soulport diff ./agent.bm # Compare .bm vs current workspace
soulport diff a.bm b.bm # Compare two .bm packages
soulport status # Health score + snapshot overview
# Version control
soulport watch # Auto-backup daemon (6h default)
soulport watch --once # Single snapshot for cron/scripts
soulport changelog # Show changes between snapshots
soulport rollback <hash> # Restore to a previous snapshot
# Cloud sync (auth via SOULPORT_CLOUD_KEY env var or --api-key)
soulport push # Upload .bm to soul.polly.wang
soulport pull <agent_name> # Download latest soul from cloud
Soul Layers
| Layer | Files | What it captures |
|---|---|---|
| 🧠 Memory | MEMORY.md, memory/*.md |
Long-term + daily memories |
| 👤 Identity | SOUL.md, IDENTITY.md, USER.md |
Personality, name, human context |
| ⚙️ Config | AGENTS.md, TOOLS.md, HEARTBEAT.md |
Behavior rules, tool notes, routines |
| 🛠️ Skills | skills/*/SKILL.md |
User-created workspace skills |
| 🔧 System | openclaw.json (sanitized) |
MCP servers, model config |
Soul Lineage
Every snapshot records its parent's hash, forming a lineage chain:
snapshot-1: hash=d7fcf876..., parent=(root)
snapshot-2: hash=5a0ca89d..., parent=d7fcf876...
snapshot-3: hash=1be975f7..., parent=5a0ca89d...
Use soulport changelog to trace changes. Use soulport rollback <hash> to go back.
Semantic Merge
When the same agent runs on two machines, memories diverge. --semantic resolves this with a four-layer filter pipeline:
Layer 1: File-level → 97%+ identical files skipped (zero LLM)
Layer 2: Section-level → identical/new sections resolved (zero LLM)
Layer 3: Line-level → pure appends and tiny diffs resolved (zero LLM)
Layer 4: LLM → only true semantic conflicts sent to LLM
Result: 38 files → 0 LLM calls for typical merges. Prompt reduced from ~28KB to ~500 words when LLM is needed.
soulport merge home.bm office.bm --semantic -o merged.bm
soulport merge home.bm office.bm --semantic --dry-run # preview first
MCP Server
SoulPort includes a Model Context Protocol server, allowing AI agents to manage their own souls programmatically:
pip install 'soulport[mcp]'
soulport mcp # Start MCP server (stdio)
soulport mcp --http # Start MCP server (HTTP)
Add to your OpenClaw config (openclaw.json):
{
"mcpServers": {
"soulport": {
"command": "soulport",
"args": ["mcp"]
}
}
}
6 tools: soulport_export, soulport_doctor, soulport_diff, soulport_changelog, soulport_status, soulport_snapshot. Read/create only — destructive ops require human confirmation.
Security
- API keys/tokens auto-redacted on export (
__SOULPORT_REDACTED__) - Redaction is intentionally irreversible — your soul travels, your keys stay
- After absorb, CLI shows 🔑 Action Required panel listing redacted fields to configure
- Path traversal protection on absorb (
resolve().relative_to()) - Cloud endpoints: safe-name regex +
is_relative_to()double guard - tarfile
filter='data'on merge/extract inspectbefore absorb,--dry-runbefore rollback- Pre-rollback auto-backup (opt out with
--no-backup) - MCP Server: read-only (no absorb/merge/rollback exposed)
File Format
.bm files are compressed archives (tar.gz) containing:
manifest.json— metadata, version, content hash, parent hashworkspace/— agent workspace filesconfig/— sanitized system configuration See FORMAT.md for the full format specification.
Why
.bm? Named after 北冥 (BěiMíng) — the mythical Northern Sea from Zhuangzi's "Wandering Beyond", where a fish transforms into a bird. A soul's form is free.
Supported Frameworks
- ✅ OpenClaw (first-class support)
- 🔜 Cross-framework adapters (Claude Desktop, Cursor, etc.)
Links
- PyPI: pypi.org/project/soulport
- Soul Arena: soul.polly.wang — upload your
.bm, get a soul portrait - Blog: polly.wang — development stories
License
MIT
Your agent's soul deserves to travel. 🚀
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