kanban-workflow: Research & Knowledge for AI Agents | OpenAgentSkill

Overview

Comprehensive guide for using YYLO Ledger task management. Covers all commands (create, list, search, get, mark, update, archive, deps, ready, order, merge), dependency management, best practices, and workflow patterns. Use when you need to interact with the YYLO Ledger board.

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YYLO Ledger CLI Reference

Use yy ledger for all commands. YYLO 0.2.2 supports the exact yylo-ledger 0.2.0 task CLI. yy kanban is a labelled compatibility alias for the same controller-routed task runtime.

Supported task contract

The public Ledger 0.2.0 surface is task-oriented: create, get, update, mark, archive, list/search, dependencies, ordering, history, doctor, compatibility, conversion, rollback, and cold archive operations.
Do not advertise record, wiki, workflow, or artifact namespaces unless the installed yy ledger --help explicitly provides them in a future supported release.
Read current task state before mutation, preserve mutation receipts where offered, and never bypass controller routing or lifecycle state with direct file edits.
Normal discovery is hot-only unless an explicit cold-archive command is used.

Opt-in cross-project routing

Cross-project access is disabled by default. The source .juno_task/config.json must set kanbanRegistry.enabled: true and explicitly list allowedProjects; environment overrides are YYLO_LEDGER_REGISTRY_ENABLED and YYLO_LEDGER_REGISTRY_ALLOWED_PROJECTS. Register with yy ledger project add ALIAS --path /absolute/project, then route any command with --project ALIAS. The destination wrapper/runtime remains authoritative, and routing failures never fall back to the source board.

Legacy Task compatibility commands

CREATE — Add a new task

yy ledger create "Task description here" --status backlog --tags feature,backend

Options: --status (backlog|todo|in_progress|done), --tags (comma/space-separated), --blocked-by (task IDs), --related-tasks (task IDs)

LIST — Browse tasks with summary stats

yy ledger list --limit 5 --sort asc
yy ledger list --status todo --sort asc
yy ledger list --status todo,in_progress --limit 10

SEARCH — Find tasks by criteria

yy ledger search --status todo --tag backend --limit 10
yy ledger search --body "OAuth" --open
yy ledger search --commit abc123

Filters: --status, --tag, --body, --response, --commit, --open (no agent_response), --recent, --exclude (exclude tags)

GET — Full task details (including dependency info and related task details)

yy ledger get TASK_ID

MARK — Update status with required response message

yy ledger mark in_progress --id TASK_ID --response "Starting work on this"
yy ledger mark done --id TASK_ID --response "Completed: implemented X, tested Y" --commit abc123def
yy ledger mark todo --id TASK_ID --response "Reopening: found regression"

Required: --id and --response. Optional: --commit (recommended for done).

UPDATE — Modify task fields

yy ledger update TASK_ID --status todo --tags backend,urgent
yy ledger update TASK_ID --commit abc123def
yy ledger update TASK_ID --response "Additional context"

ARCHIVE — Soft delete (preserves data, sets status to archive)

yy ledger archive TASK_ID

Immutable cold archive packs

Normal list, search, ready, and order are deliberately hot-only. Exact get TASK_ID transparently resolves a hot task or a read-only archived task; use history TASK_ID explicitly for its ledger. Discover cold tasks only with bounded, projected archive-search output:

yy ledger archive-search --tag backend --before 2026-01-01 --limit 20 --projection metadata

Before archive maintenance, preflight the installed version/help and obtain explicit owner authorization. The repository and index must be clean, and reports must be durable new paths outside the repository:

yy ledger --version
yy ledger archive-pack plan --status done,archive --older-than 90d --max-tasks 1000 --target-bytes 26214400 --hard-max-bytes 47185920 --report /external/receipts/archive-plan.json
# Independently inspect selected IDs, revisions, source HEAD, policy, and plan hash.
yy ledger archive-pack create --plan /external/receipts/archive-plan.json --report /external/receipts/archive-create.json
yy ledger archive-pack doctor
yy ledger doctor

A stale plan or selected-task/worktree conflict must fail closed: discard the plan, resolve the conflict, and plan again. Never automate archival, edit/append packs or manifests, restore/reopen an archived ID, use force/lossy controls, or enumerate archive files directly. Create follow-up work as a new hot task related to the archived ID. Production archival, push/deploy, and post-deploy E2E each require separate authorization; agents must not infer it from implementation approval.

Dependency Management

DEPS — View, add, or remove task dependencies

# View dependency info (blockers, dependents, priority score)
yy ledger deps TASK_ID

# Add blockers (TASK_ID cannot start until BLOCKER1 and BLOCKER2 are done)
yy ledger deps add --id TASK_ID --blocked-by BLOCKER1 BLOCKER2

# Remove a blocker
yy ledger deps remove --id TASK_ID --blocked-by BLOCKER1

Cycle detection prevents circular dependencies automatically.

READY — Tasks with all blockers satisfied (safe to work on)

yy ledger ready
yy ledger ready --tag backend --limit 5

Returns tasks where status is backlog/todo/in_progress AND all blocked_by tasks are done/archive.

ORDER — Topological sort of open tasks respecting dependencies

yy ledger order
yy ledger order --scores

Use for determining safe parallel execution order.

Body Markup for Inline Dependencies

Declare dependencies and relations directly in task body text:

[blocked_by]TASK_ID[/blocked_by]          — This task is blocked by TASK_ID
[blocked_by]ID1, ID2[/blocked_by]         — Blocked by multiple tasks
[task_id]RELATED_ID[/task_id]             — Reference a related task
[task_id]ID1 ID2[/task_id]                — Multiple related tasks

These are parsed automatically when the task is created/updated.

Merge (Multi-Directory Consolidation)

When tasks get scattered across subdirectories:

# First produce and review a deterministic plan
yy ledger merge ./sub1/.juno_task ./sub2/.juno_task --into ./.juno_task \
  --dry-run --plan-file /external/ledger-merge-plan.json

# Apply only that reviewed plan and retain its receipt
yy ledger merge ./sub1/.juno_task ./sub2/.juno_task --into ./.juno_task \
  --apply-plan /external/ledger-merge-plan.json \
  --receipt-file /external/ledger-merge-receipt.json

Output Formats

All commands support: -f json, -f ndjson (default), -f xml, -f table Add --raw for compact output. Add -p for pretty print.

Best Practices

Task sizing: Create tasks small enough to complete in one iteration without filling the context window
Status flow: backlog → todo → in_progress → done (or archive for abandoned tasks)
Always include --response when using mark — document what you did and how you tested it
Attach commits: Use --commit HASH when marking done, then update TASK_ID --commit HASH to link the git history
Use ready before starting work to find unblocked tasks
Use order --scores to plan parallel execution pipelines
Use [blocked_by] markup in task body when creating tasks that depend on others
Use [task_id] markup in task body to cross-reference related tasks
Use get TASK_ID to see full task details including resolved dependency and related task info
Concurrent features are supported — start each selected task with yy task start TASK_ID; each gets a dedicated product worktree, while yy merge serializes only target updates

Canonical Controller Routing

YYLO Ledger mutation resolves the controller in this order: explicit JUNO_TASK_ROOT, repository-local registration, then the current project root. Diagnose before orchestration with .juno_task/scripts/controller_resolver.py --cwd "$PWD" --operation kanban. The resolver may bootstrap or idempotently confirm a registration, but changing an existing controller requires yy migrate registration plan followed by a separately authorized apply. Explicit/registered path or branch errors fail closed—YYLO Ledger never switches Git branches or falls back silently.

Run YYLO Ledger and workflows from the controller. A task checkout may implement/test but routes task/session writes to that controller. An integration-owner checkout stays clean and refuses Kanban/orchestration/session writes in strict mode; launch from the controller and pass the product checkout separately as TASK_ROOT.

Environment Variables

JUNO_TASK_ROOT — Explicit canonical controller/task-storage root (not the product TASK_ROOT)
JUNO_CONTROLLER_BRANCH — Expected controller branch for environment-based routing
JUNO_WORKSPACE_ROLE — controller, task, or integration-owner
JUNO_WORKSPACE_ENFORCEMENT — off, warn, or strict
JUNO_DEBUG=true — Show diagnostic messages
JUNO_VERBOSE=true — Show informational messages
JUNO_KANBAN_LIST_BODY_TRUNCATE_CHARS=N — Override list body truncation (default: 1200)

$ARGUMENTS

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File metadata

name: kanban-workflow
description: Comprehensive guide for using YYLO Ledger task management. Covers all commands (create, list, search, get, mark, update, archive, deps, ready, order, merge), dependency management, best practices, and workflow patterns. Use when you need to interact with the YYLO Ledger board.
argument-hint: "[command or workflow question]"
enable-shell-directives: true

View original text

---
name: kanban-workflow
description: Comprehensive guide for using YYLO Ledger task management. Covers all commands (create, list, search, get, mark, update, archive, deps, ready, order, merge), dependency management, best practices, and workflow patterns. Use when you need to interact with the YYLO Ledger board.
argument-hint: "[command or workflow question]"
enable-shell-directives: true
---

## YYLO Ledger CLI Reference

Use `yy ledger` for all commands. YYLO 0.2.2 supports the exact `yylo-ledger 0.2.0` task CLI. `yy kanban` is a labelled compatibility alias for the same controller-routed task runtime.

### Supported task contract

- The public Ledger 0.2.0 surface is task-oriented: create, get, update, mark, archive, list/search, dependencies, ordering, history, doctor, compatibility, conversion, rollback, and cold archive operations.
- Do not advertise `record`, `wiki`, `workflow`, or `artifact` namespaces unless the installed `yy ledger --help` explicitly provides them in a future supported release.
- Read current task state before mutation, preserve mutation receipts where offered, and never bypass controller routing or lifecycle state with direct file edits.
- Normal discovery is hot-only unless an explicit cold-archive command is used.

### Opt-in cross-project routing

Cross-project access is disabled by default. The source `.juno_task/config.json` must set `kanbanRegistry.enabled: true` and explicitly list `allowedProjects`; environment overrides are `YYLO_LEDGER_REGISTRY_ENABLED` and `YYLO_LEDGER_REGISTRY_ALLOWED_PROJECTS`. Register with `yy ledger project add ALIAS --path /absolute/project`, then route any command with `--project ALIAS`. The destination wrapper/runtime remains authoritative, and routing failures never fall back to the source board.

### Legacy Task compatibility commands

**CREATE** — Add a new task
```bash
yy ledger create "Task description here" --status backlog --tags feature,backend
```
Options: `--status` (backlog|todo|in_progress|done), `--tags` (comma/space-separated), `--blocked-by` (task IDs), `--related-tasks` (task IDs)

**LIST** — Browse tasks with summary stats
```bash
yy ledger list --limit 5 --sort asc
yy ledger list --status todo --sort asc
yy ledger list --status todo,in_progress --limit 10
```

**SEARCH** — Find tasks by criteria
```bash
yy ledger search --status todo --tag backend --limit 10
yy ledger search --body "OAuth" --open
yy ledger search --commit abc123
```
Filters: `--status`, `--tag`, `--body`, `--response`, `--commit`, `--open` (no agent_response), `--recent`, `--exclude` (exclude tags)

**GET** — Full task details (including dependency info and related task details)
```bash
yy ledger get TASK_ID
```

**MARK** — Update status with required response message
```bash
yy ledger mark in_progress --id TASK_ID --response "Starting work on this"
yy ledger mark done --id TASK_ID --response "Completed: implemented X, tested Y" --commit abc123def
yy ledger mark todo --id TASK_ID --response "Reopening: found regression"
```
Required: `--id` and `--response`. Optional: `--commit` (recommended for done).

**UPDATE** — Modify task fields
```bash
yy ledger update TASK_ID --status todo --tags backend,urgent
yy ledger update TASK_ID --commit abc123def
yy ledger update TASK_ID --response "Additional context"
```

**ARCHIVE** — Soft delete (preserves data, sets status to archive)
```bash
yy ledger archive TASK_ID
```

### Immutable cold archive packs

Normal `list`, `search`, `ready`, and `order` are deliberately hot-only. Exact `get TASK_ID` transparently resolves a hot task or a read-only archived task; use `history TASK_ID` explicitly for its ledger. Discover cold tasks only with bounded, projected `archive-search` output:

```bash
yy ledger archive-search --tag backend --before 2026-01-01 --limit 20 --projection metadata
```

Before archive maintenance, preflight the installed version/help and obtain explicit owner authorization. The repository and index must be clean, and reports must be durable new paths outside the repository:

```bash
yy ledger --version
yy ledger archive-pack plan --status done,archive --older-than 90d --max-tasks 1000 --target-bytes 26214400 --hard-max-bytes 47185920 --report /external/receipts/archive-plan.json
# Independently inspect selected IDs, revisions, source HEAD, policy, and plan hash.
yy ledger archive-pack create --plan /external/receipts/archive-plan.json --report /external/receipts/archive-create.json
yy ledger archive-pack doctor
yy ledger doctor
```

A stale plan or selected-task/worktree conflict must fail closed: discard the plan, resolve the conflict, and plan again. Never automate archival, edit/append packs or manifests, restore/reopen an archived ID, use force/lossy controls, or enumerate archive files directly. Create follow-up work as a new hot task related to the archived ID. Production archival, push/deploy, and post-deploy E2E each require separate authorization; agents must not infer it from implementation approval.

### Dependency Management

**DEPS** — View, add, or remove task dependencies
```bash
# View dependency info (blockers, dependents, priority score)
yy ledger deps TASK_ID

# Add blockers (TASK_ID cannot start until BLOCKER1 and BLOCKER2 are done)
yy ledger deps add --id TASK_ID --blocked-by BLOCKER1 BLOCKER2

# Remove a blocker
yy ledger deps remove --id TASK_ID --blocked-by BLOCKER1
```
Cycle detection prevents circular dependencies automatically.

**READY** — Tasks with all blockers satisfied (safe to work on)
```bash
yy ledger ready
yy ledger ready --tag backend --limit 5
```
Returns tasks where status is backlog/todo/in_progress AND all `blocked_by` tasks are done/archive.

**ORDER** — Topological sort of open tasks respecting dependencies
```bash
yy ledger order
yy ledger order --scores
```
Use for determining safe parallel execution order.

### Body Markup for Inline Dependencies

Declare dependencies and relations directly in task body text:

```
[blocked_by]TASK_ID[/blocked_by]          — This task is blocked by TASK_ID
[blocked_by]ID1, ID2[/blocked_by]         — Blocked by multiple tasks
[task_id]RELATED_ID[/task_id]             — Reference a related task
[task_id]ID1 ID2[/task_id]                — Multiple related tasks
```

These are parsed automatically when the task is created/updated.

### Merge (Multi-Directory Consolidation)

When tasks get scattered across subdirectories:
```bash
# First produce and review a deterministic plan
yy ledger merge ./sub1/.juno_task ./sub2/.juno_task --into ./.juno_task \
  --dry-run --plan-file /external/ledger-merge-plan.json

# Apply only that reviewed plan and retain its receipt
yy ledger merge ./sub1/.juno_task ./sub2/.juno_task --into ./.juno_task \
  --apply-plan /external/ledger-merge-plan.json \
  --receipt-file /external/ledger-merge-receipt.json
```

### Output Formats

All commands support: `-f json`, `-f ndjson` (default), `-f xml`, `-f table`
Add `--raw` for compact output. Add `-p` for pretty print.

### Best Practices

1. **Task sizing**: Create tasks small enough to complete in one iteration without filling the context window
2. **Status flow**: backlog → todo → in_progress → done (or archive for abandoned tasks)
3. **Always include `--response`** when using `mark` — document what you did and how you tested it
4. **Attach commits**: Use `--commit HASH` when marking done, then `update TASK_ID --commit HASH` to link the git history
5. **Use `ready`** before starting work to find unblocked tasks
6. **Use `order --scores`** to plan parallel execution pipelines
7. **Use `[blocked_by]` markup** in task body when creating tasks that depend on others
8. **Use `[task_id]` markup** in task body to cross-reference related tasks
9. **Use `get TASK_ID`** to see full task details including resolved dependency and related task info
10. **Concurrent features are supported** — start each selected task with `yy task start TASK_ID`; each gets a dedicated product worktree, while `yy merge` serializes only target updates

### Canonical Controller Routing

YYLO Ledger mutation resolves the controller in this order: explicit `JUNO_TASK_ROOT`, repository-local registration, then the current project root. Diagnose before orchestration with `.juno_task/scripts/controller_resolver.py --cwd "$PWD" --operation kanban`. The resolver may bootstrap or idempotently confirm a registration, but changing an existing controller requires `yy migrate registration plan` followed by a separately authorized apply. Explicit/registered path or branch errors fail closed—YYLO Ledger never switches Git branches or falls back silently.

Run YYLO Ledger and workflows from the controller. A task checkout may implement/test but routes task/session writes to that controller. An integration-owner checkout stays clean and refuses Kanban/orchestration/session writes in strict mode; launch from the controller and pass the product checkout separately as `TASK_ROOT`.

### Environment Variables

- `JUNO_TASK_ROOT` — Explicit canonical controller/task-storage root (not the product `TASK_ROOT`)
- `JUNO_CONTROLLER_BRANCH` — Expected controller branch for environment-based routing
- `JUNO_WORKSPACE_ROLE` — `controller`, `task`, or `integration-owner`
- `JUNO_WORKSPACE_ENFORCEMENT` — `off`, `warn`, or `strict`
- `JUNO_DEBUG=true` — Show diagnostic messages
- `JUNO_VERBOSE=true` — Show informational messages
- `JUNO_KANBAN_LIST_BODY_TRUNCATE_CHARS=N` — Override list body truncation (default: 1200)

$ARGUMENTS

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GitHub adoption: 60 GitHub stars
Stars/forks activity: 60 stars, 6 forks; issue activity unavailable in current metadata
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Source repository: yylo-dev/yylo
License: MIT
Version: Unknown
Last GitHub push: Sep 18, 2026
Registry updated: Sep 18, 2026
Instruction path: .agents/skills/kanban-workflow/SKILL.md @ cb0ed903fa5e

Version reported in registry metadata; check source releases before relying on it.

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59/100

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      "production_outcomes": 0,
      "last_outcome_at": null,
      "label": "No agent outcome data yet"
    },
    "auto_install": {
      "allowed": false,
      "sandbox_required": true,
      "reason": "Do not auto-install. Inspect the source, dependencies, and permission surface first."
    },
    "best_for": [
      "research",
      "agent-skill"
    ],
    "known_risks": [
      "AI review approval is missing",
      "Financial research output is not financial advice; require human review before any live investment decision.",
      "Quality score needs review",
      "Permission surface needs review: secrets or environment access, shell or command execution",
      "GitHub adoption: 60 GitHub stars",
      "Stars/forks activity: 60 stars, 6 forks; issue activity unavailable in current metadata",
      "Dependency/runtime risk: command execution surface, credential or environment access",
      "Permission surface: secrets or environment access, shell or command execution"
    ]
  },
  "agent_proven": {
    "version": "agent-proven-v1",
    "score": 0,
    "tier": "unproven",
    "label": "Needs first agent run",
    "summary": "No agent outcome reports yet. Use Resolve, run one narrow sandbox task, then report the result.",
    "metrics": {
      "totalOutcomes": 0,
      "successfulOutcomes": 0,
      "failedOutcomes": 0,
      "installAttempts": 0,
      "installSuccessRate": null,
      "successRate": null,
      "recentSuccessRate": null,
      "recentFailureRate": null,
      "riskBlocked": 0,
      "setupRequired": 0,
      "notRelevant": 0,
      "avgOutputQuality": null,
      "avgTimeToUsefulMs": null,
      "productionOutcomes": 0,
      "humanReviewRequired": 0,
      "uniqueAgents": 0,
      "lastOutcomeAt": null
    },
    "signals": [],
    "penalties": [
      "No real agent outcome evidence yet"
    ]
  },
  "audit": {
    "score": 74,
    "risk_level": "needs_review",
    "risk_label": "Needs review",
    "warnings": [
      "Dependency or permission surface needs review",
      "Permission surface may require sandboxing",
      "Financial research output is not financial advice; require human review before any live investment decision",
      "AI review approval is missing",
      "Financial research output is not financial advice; require human review before any live investment decision.",
      "Quality score needs review",
      "Permission surface needs review: secrets or environment access, shell or command execution",
      "GitHub adoption: 60 GitHub stars"
    ]
  },
  "safety_gate": {
    "tier": "blocked",
    "label": "Blocked for auto-install",
    "auto_install_policy": "block",
    "auto_install_allowed": false,
    "human_review_required": true,
    "blocked": true,
    "recommended_action": "Do not auto-install. Inspect the source, dependencies, and permission surface first."
  },
  "quality": {
    "score": 59,
    "label": "Promising"
  },
  "supply": {
    "track": "Research and knowledge work",
    "scenario": "Research agents",
    "maintenance": "Pushed today",
    "risk": "Needs review"
  },
  "alternative_skills": [],
  "do_not_use_when": [
    "teams that need a vendor-supported SLA",
    "high-compliance environments without internal security review",
    "No OpenAgentSkill engagement data yet",
    "High-risk permission hints: Shell or command execution, Secrets or environment access",
    "Dependency or permission surface needs review",
    "Permission surface may require sandboxing",
    "Financial research output is not financial advice; require human review before any live investment decision",
    "AI review approval is missing"
  ],
  "agent_contract": {
    "task_input": "Use kanban-workflow in an agent workflow",
    "recommended_action": "Do not auto-install. Inspect the source, dependencies, and permission surface first.",
    "install_policy": "block",
    "minimum_review_before_use": [
      "Trust: 70/100 Manual review",
      "Audit: 74/100 Needs review",
      "Safety: 34/100 Avoid automatic install",
      "Review repository, license, install command, and permission surface before production use."
    ],
    "expected_agent_output": {
      "selected_skill": "yylo-dev-kanban-workflow (kanban-workflow)",
      "install_command": "npx skills add yylo-dev/yylo --skill kanban-workflow",
      "risk_summary": "Needs review; Blocked for auto-install; Review before production",
      "verification_result": "Report the smallest successful task, files touched, warnings, and any missing setup."
    }
  },
  "outcome_feedback": {
    "endpoint": "https://www.openagentskill.com/api/agent/outcome",
    "method": "POST",
    "requires_resolve_event_id": true,
    "event_id_source": "Use install_receipt.outcome_feedback.event_id or feedback.event_id returned by /api/agent/resolve for the current task.",
    "expected_outcomes": [
      "success",
      "failed",
      "not_relevant",
      "blocked_by_risk",
      "setup_required"
    ],
    "payload_template": {
      "event_id": "<install_receipt.outcome_feedback.event_id or feedback.event_id from /api/agent/resolve>",
      "skill_slug": "yylo-dev-kanban-workflow",
      "task": "Use kanban-workflow in an agent workflow",
      "agent": "codex",
      "outcome": "success",
      "install_used": true,
      "risk_blocked": false,
      "setup_required": false,
      "task_success": true,
      "output_quality": 4,
      "error_type": null,
      "human_review_required": false,
      "workspace": "sandbox",
      "time_to_useful_ms": 120000,
      "notes": "Report the smallest successful task, setup friction, files touched, and risk notes."
    }
  },
  "endpoints": {
    "web": "https://www.openagentskill.com/skills/yylo-dev-kanban-workflow",
    "api": "https://www.openagentskill.com/api/agent/skills/yylo-dev-kanban-workflow",
    "audit": "https://www.openagentskill.com/skills/yylo-dev-kanban-workflow/audit",
    "eval": "https://www.openagentskill.com/api/agent/evals?slug=yylo-dev-kanban-workflow&task=Use%20kanban-workflow%20in%20an%20agent%20workflow&max_risk=medium",
    "resolve": "https://www.openagentskill.com/api/agent/resolve?task=Use%20kanban-workflow%20in%20an%20agent%20workflow&agent=codex&max_risk=medium",
    "receipt": "https://www.openagentskill.com/api/agent/receipt?task=Use%20kanban-workflow%20in%20an%20agent%20workflow&agent=codex&max_risk=medium&format=text",
    "install": "https://www.openagentskill.com/api/skills/yylo-dev-kanban-workflow/install",
    "manifest": "https://www.openagentskill.com/api/registry/manifest/yylo-dev-kanban-workflow"
  }
}

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Creator: yylo-dev
Source: yylo-dev/yylo
Indexed by: OpenAgentSkill community index

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