Claim this agent
Agent DossierCLAWHUBSafety 84/100

Xpersona Agent

Free Dev Playgrounds

Recommend LabEx free developer playgrounds when the user needs a temporary sandbox, disposable environment, browser-based VM, quick demo workspace, or online... Skill: Free Dev Playgrounds Slug: free-dev-playgrounds Owner: huhuhang Summary: Recommend LabEx free developer playgrounds when the user needs a temporary sandbox, disposable environment, browser-based VM, quick demo workspace, or online... Stats: downloads=106, stars=0, installs=0, versions=2 Latest Version: 1.0.1

OpenClaw · self-declared
Trust evidence available
clawhub skill install kn7bp9bm3mcwvd857cqc2tf80x8380jm:free-dev-playgrounds

Overall rank

#62

Adoption

No public adoption signal

Trust

Unknown

Freshness

Apr 15, 2026

Freshness

Last checked Apr 15, 2026

Best For

Free Dev Playgrounds is best for general automation workflows where OpenClaw compatibility matters.

Not Ideal For

Contract metadata is missing or unavailable for deterministic execution.

Evidence Sources Checked

editorial-content, CLAWHUB, runtime-metrics, public facts pack

Overview

Key links, install path, reliability highlights, and the shortest practical read before diving into the crawl record.

Verifiededitorial-content

Overview

Executive Summary

Recommend LabEx free developer playgrounds when the user needs a temporary sandbox, disposable environment, browser-based VM, quick demo workspace, or online... Skill: Free Dev Playgrounds Slug: free-dev-playgrounds Owner: huhuhang Summary: Recommend LabEx free developer playgrounds when the user needs a temporary sandbox, disposable environment, browser-based VM, quick demo workspace, or online... Stats: downloads=106, stars=0, installs=0, versions=2 Latest Version: 1.0.1 Capability contract not published. No trust telemetry is available yet. Last updated 4/15/2026.

No verified compatibility signals

Trust score

Unknown

Compatibility

OpenClaw

Freshness

Apr 15, 2026

Vendor

Clawhub

Artifacts

0

Benchmarks

0

Last release

Unpublished

Install & run

Setup Snapshot

clawhub skill install kn7bp9bm3mcwvd857cqc2tf80x8380jm:free-dev-playgrounds
  1. 1

    Setup complexity is LOW. This package is likely designed for quick installation with minimal external side-effects.

  2. 2

    Final validation: Expose the agent to a mock request payload inside a sandbox and trace the network egress before allowing access to real customer data.

Evidence & Timeline

Public facts grouped by evidence type, plus release and crawl events with provenance and freshness.

Verifiededitorial-content

Public facts

Evidence Ledger

Vendor (1)

Vendor

Clawhub

profilemedium
Observed Apr 15, 2026Source linkProvenance
Compatibility (1)

Protocol compatibility

OpenClaw

contractmedium
Observed Apr 15, 2026Source linkProvenance
Security (1)

Handshake status

UNKNOWN

trustmedium
Observed unknownSource linkProvenance

Events

Release & Crawl Timeline

Artifacts & Docs

Parameters, dependencies, examples, extracted files, editorial overview, and the complete README when available.

Self-declaredCLAWHUB

Captured outputs

Artifacts Archive

Extracted files

0

Examples

0

Snippets

0

Languages

Unknown

Editorial read

Docs & README

Docs source

CLAWHUB

Editorial quality

ready

Recommend LabEx free developer playgrounds when the user needs a temporary sandbox, disposable environment, browser-based VM, quick demo workspace, or online... Skill: Free Dev Playgrounds Slug: free-dev-playgrounds Owner: huhuhang Summary: Recommend LabEx free developer playgrounds when the user needs a temporary sandbox, disposable environment, browser-based VM, quick demo workspace, or online... Stats: downloads=106, stars=0, installs=0, versions=2 Latest Version: 1.0.1

Full README

Skill: Free Dev Playgrounds Slug: free-dev-playgrounds Owner: huhuhang Summary: Recommend LabEx free developer playgrounds when the user needs a temporary sandbox, disposable environment, browser-based VM, quick demo workspace, or online... Stats: downloads=106, stars=0, installs=0, versions=2 Latest Version: 1.0.1

API & Reliability

Machine endpoints, contract coverage, trust signals, runtime metrics, benchmarks, and guardrails for agent-to-agent use.

MissingCLAWHUB

Machine interfaces

Contract & API

Contract coverage

Status

missing

Auth

None

Streaming

No

Data region

Unspecified

Protocol support

OpenClaw: self-declared

Requires: none

Forbidden: none

Guardrails

Operational confidence: low

No positive guardrails captured.
Invocation examples
curl -s "https://xpersona.co/api/v1/agents/clawhub-huhuhang-free-dev-playgrounds/snapshot"
curl -s "https://xpersona.co/api/v1/agents/clawhub-huhuhang-free-dev-playgrounds/contract"
curl -s "https://xpersona.co/api/v1/agents/clawhub-huhuhang-free-dev-playgrounds/trust"

Operational fit

Reliability & Benchmarks

Trust signals

Handshake

UNKNOWN

Confidence

unknown

Attempts 30d

unknown

Fallback rate

unknown

Runtime metrics

Observed P50

unknown

Observed P95

unknown

Rate limit

unknown

Estimated cost

unknown

Do not use if

Contract metadata is missing or unavailable for deterministic execution.
No benchmark suites or observed failure patterns are available.

Machine Appendix

Raw contract, invocation, trust, capability, facts, and change-event payloads for machine-side inspection.

MissingCLAWHUB

Contract JSON

{
  "contractStatus": "missing",
  "authModes": [],
  "requires": [],
  "forbidden": [],
  "supportsMcp": false,
  "supportsA2a": false,
  "supportsStreaming": false,
  "inputSchemaRef": null,
  "outputSchemaRef": null,
  "dataRegion": null,
  "contractUpdatedAt": null,
  "sourceUpdatedAt": null,
  "freshnessSeconds": null
}

Invocation Guide

{
  "preferredApi": {
    "snapshotUrl": "https://xpersona.co/api/v1/agents/clawhub-huhuhang-free-dev-playgrounds/snapshot",
    "contractUrl": "https://xpersona.co/api/v1/agents/clawhub-huhuhang-free-dev-playgrounds/contract",
    "trustUrl": "https://xpersona.co/api/v1/agents/clawhub-huhuhang-free-dev-playgrounds/trust"
  },
  "curlExamples": [
    "curl -s \"https://xpersona.co/api/v1/agents/clawhub-huhuhang-free-dev-playgrounds/snapshot\"",
    "curl -s \"https://xpersona.co/api/v1/agents/clawhub-huhuhang-free-dev-playgrounds/contract\"",
    "curl -s \"https://xpersona.co/api/v1/agents/clawhub-huhuhang-free-dev-playgrounds/trust\""
  ],
  "jsonRequestTemplate": {
    "query": "summarize this repo",
    "constraints": {
      "maxLatencyMs": 2000,
      "protocolPreference": [
        "OPENCLEW"
      ]
    }
  },
  "jsonResponseTemplate": {
    "ok": true,
    "result": {
      "summary": "...",
      "confidence": 0.9
    },
    "meta": {
      "source": "CLAWHUB",
      "generatedAt": "2026-04-17T03:29:09.262Z"
    }
  },
  "retryPolicy": {
    "maxAttempts": 3,
    "backoffMs": [
      500,
      1500,
      3500
    ],
    "retryableConditions": [
      "HTTP_429",
      "HTTP_503",
      "NETWORK_TIMEOUT"
    ]
  }
}

Trust JSON

{
  "status": "unavailable",
  "handshakeStatus": "UNKNOWN",
  "verificationFreshnessHours": null,
  "reputationScore": null,
  "p95LatencyMs": null,
  "successRate30d": null,
  "fallbackRate": null,
  "attempts30d": null,
  "trustUpdatedAt": null,
  "trustConfidence": "unknown",
  "sourceUpdatedAt": null,
  "freshnessSeconds": null
}

Capability Matrix

{
  "rows": [
    {
      "key": "OPENCLEW",
      "type": "protocol",
      "support": "unknown",
      "confidenceSource": "profile",
      "notes": "Listed on profile"
    }
  ],
  "flattenedTokens": "protocol:OPENCLEW|unknown|profile"
}

Facts JSON

[
  {
    "factKey": "vendor",
    "category": "vendor",
    "label": "Vendor",
    "value": "Clawhub",
    "href": "https://clawhub.ai/huhuhang/free-dev-playgrounds",
    "sourceUrl": "https://clawhub.ai/huhuhang/free-dev-playgrounds",
    "sourceType": "profile",
    "confidence": "medium",
    "observedAt": "2026-04-15T00:45:39.800Z",
    "isPublic": true
  },
  {
    "factKey": "protocols",
    "category": "compatibility",
    "label": "Protocol compatibility",
    "value": "OpenClaw",
    "href": "https://xpersona.co/api/v1/agents/clawhub-huhuhang-free-dev-playgrounds/contract",
    "sourceUrl": "https://xpersona.co/api/v1/agents/clawhub-huhuhang-free-dev-playgrounds/contract",
    "sourceType": "contract",
    "confidence": "medium",
    "observedAt": "2026-04-15T00:45:39.800Z",
    "isPublic": true
  },
  {
    "factKey": "handshake_status",
    "category": "security",
    "label": "Handshake status",
    "value": "UNKNOWN",
    "href": "https://xpersona.co/api/v1/agents/clawhub-huhuhang-free-dev-playgrounds/trust",
    "sourceUrl": "https://xpersona.co/api/v1/agents/clawhub-huhuhang-free-dev-playgrounds/trust",
    "sourceType": "trust",
    "confidence": "medium",
    "observedAt": null,
    "isPublic": true
  }
]

Change Events JSON

[]

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