Crawler Summary

nanobanana-watermark-remover answer-first brief

Remove watermarks from images generated by Google's NanoBanana AI image generator. NanoBanana adds a distinctive four-pointed star watermark (light gray/white) typically in the bottom-right corner of generated images. MANDATORY TRIGGERS: - "remove watermark", "去水印", "去除水印" - "nanobanana", "nano banana", "Gemini Generated Image" - Images with star-shaped watermarks in corners - AI-generated images needing watermark removal --- name: nanobanana-watermark-remover description: | Remove watermarks from images generated by Google's NanoBanana AI image generator. NanoBanana adds a distinctive four-pointed star watermark (light gray/white) typically in the bottom-right corner of generated images. MANDATORY TRIGGERS: - "remove watermark", "去水印", "去除水印" - "nanobanana", "nano banana", "Gemini Generated Image" - Images with star-shaped watermarks Capability contract not published. No trust telemetry is available yet. Last updated 4/14/2026.

Freshness

Last checked 4/14/2026

Best For

nanobanana-watermark-remover 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, GITHUB OPENCLEW, runtime-metrics, public facts pack

Claim this agent
Agent DossierGitHubSafety: 94/100

nanobanana-watermark-remover

Remove watermarks from images generated by Google's NanoBanana AI image generator. NanoBanana adds a distinctive four-pointed star watermark (light gray/white) typically in the bottom-right corner of generated images. MANDATORY TRIGGERS: - "remove watermark", "去水印", "去除水印" - "nanobanana", "nano banana", "Gemini Generated Image" - Images with star-shaped watermarks in corners - AI-generated images needing watermark removal --- name: nanobanana-watermark-remover description: | Remove watermarks from images generated by Google's NanoBanana AI image generator. NanoBanana adds a distinctive four-pointed star watermark (light gray/white) typically in the bottom-right corner of generated images. MANDATORY TRIGGERS: - "remove watermark", "去水印", "去除水印" - "nanobanana", "nano banana", "Gemini Generated Image" - Images with star-shaped watermarks

OpenClawself-declared

Public facts

4

Change events

1

Artifacts

0

Freshness

Apr 14, 2026

Verifiededitorial-contentNo verified compatibility signals

Capability contract not published. No trust telemetry is available yet. Last updated 4/14/2026.

Trust evidence available

Trust score

Unknown

Compatibility

OpenClaw

Freshness

Apr 14, 2026

Vendor

Z1w2r3

Artifacts

0

Benchmarks

0

Last release

Unpublished

Executive Summary

Key links, install path, and a quick operational read before the deeper crawl record.

Verifiededitorial-content

Summary

Capability contract not published. No trust telemetry is available yet. Last updated 4/14/2026.

Setup snapshot

git clone https://github.com/z1w2r3/nanobanana-watermark-remover-skill.git
  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 Ledger

Everything public we have scraped or crawled about this agent, grouped by evidence type with provenance.

Verifiededitorial-content
Vendor (1)

Vendor

Z1w2r3

profilemedium
Observed Apr 14, 2026Source linkProvenance
Compatibility (1)

Protocol compatibility

OpenClaw

contractmedium
Observed Apr 14, 2026Source linkProvenance
Security (1)

Handshake status

UNKNOWN

trustmedium
Observed unknownSource linkProvenance
Integration (1)

Crawlable docs

6 indexed pages on the official domain

search_documentmedium
Observed Apr 15, 2026Source linkProvenance

Release & Crawl Timeline

Merged public release, docs, artifact, benchmark, pricing, and trust refresh events.

Self-declaredagent-index

Artifacts Archive

Extracted files, examples, snippets, parameters, dependencies, permissions, and artifact metadata.

Self-declaredGITHUB OPENCLEW

Extracted files

0

Examples

2

Snippets

0

Languages

typescript

Parameters

Executable Examples

bash

# Single image (default: bottom-right corner)
python scripts/remove_watermark.py image.png

# Specify output file
python scripts/remove_watermark.py image.png -o clean.png

# Different corner locations
python scripts/remove_watermark.py image.png --corner bl  # bottom-left
python scripts/remove_watermark.py image.png --corner tr  # top-right
python scripts/remove_watermark.py image.png --corner tl  # top-left

# Batch processing
python scripts/remove_watermark.py --batch ./photos/
python scripts/remove_watermark.py --batch ./photos/ --pattern "*.jpg"

bash

pip install opencv-python-headless numpy

Docs & README

Full documentation captured from public sources, including the complete README when available.

Self-declaredGITHUB OPENCLEW

Docs source

GITHUB OPENCLEW

Editorial quality

ready

Remove watermarks from images generated by Google's NanoBanana AI image generator. NanoBanana adds a distinctive four-pointed star watermark (light gray/white) typically in the bottom-right corner of generated images. MANDATORY TRIGGERS: - "remove watermark", "去水印", "去除水印" - "nanobanana", "nano banana", "Gemini Generated Image" - Images with star-shaped watermarks in corners - AI-generated images needing watermark removal --- name: nanobanana-watermark-remover description: | Remove watermarks from images generated by Google's NanoBanana AI image generator. NanoBanana adds a distinctive four-pointed star watermark (light gray/white) typically in the bottom-right corner of generated images. MANDATORY TRIGGERS: - "remove watermark", "去水印", "去除水印" - "nanobanana", "nano banana", "Gemini Generated Image" - Images with star-shaped watermarks

Full README

name: nanobanana-watermark-remover description: | Remove watermarks from images generated by Google's NanoBanana AI image generator. NanoBanana adds a distinctive four-pointed star watermark (light gray/white) typically in the bottom-right corner of generated images.

MANDATORY TRIGGERS:

  • "remove watermark", "去水印", "去除水印"
  • "nanobanana", "nano banana", "Gemini Generated Image"
  • Images with star-shaped watermarks in corners
  • AI-generated images needing watermark removal

NanoBanana Watermark Remover

Remove the four-pointed star watermark from images generated by Google's NanoBanana AI.

Watermark Characteristics

  • Shape: Four-pointed star (✦)
  • Color: Light gray/white (semi-transparent)
  • Location: Usually bottom-right corner
  • Size: Approximately 100-150 pixels

Quick Usage

# Single image (default: bottom-right corner)
python scripts/remove_watermark.py image.png

# Specify output file
python scripts/remove_watermark.py image.png -o clean.png

# Different corner locations
python scripts/remove_watermark.py image.png --corner bl  # bottom-left
python scripts/remove_watermark.py image.png --corner tr  # top-right
python scripts/remove_watermark.py image.png --corner tl  # top-left

# Batch processing
python scripts/remove_watermark.py --batch ./photos/
python scripts/remove_watermark.py --batch ./photos/ --pattern "*.jpg"

Parameters

| Parameter | Default | Description | |-----------|---------|-------------| | --corner | br | Watermark position: br/bl/tr/tl | | --region | 200 | Search region size (pixels) | | --threshold | 100 | Brightness threshold for detection | | --dark | false | Use if watermark is dark instead of light | | -o, --output | auto | Output filename (default: adds _no_watermark) | | --batch | - | Process all images in directory | | --pattern | *.png | File pattern for batch mode |

How It Works

  1. Extracts the corner region where watermark is expected
  2. Detects pixels brighter than threshold (the light watermark)
  3. Creates a mask of the watermark area
  4. Uses OpenCV's inpainting algorithm to fill the masked area with surrounding pixels

Dependencies

Ensure these Python packages are installed:

pip install opencv-python-headless numpy

Troubleshooting

Watermark not fully removed?

  • Try increasing --region size (e.g., --region 250)
  • Adjust --threshold (lower for fainter watermarks, higher for more visible ones)

Removing too much of the image?

  • Decrease --region size
  • Increase --threshold

Dark watermark instead of light?

  • Use --dark flag

Contract & API

Machine endpoints, protocol fit, contract coverage, invocation examples, and guardrails for agent-to-agent use.

MissingGITHUB OPENCLEW

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://www.xpersona.co/api/v1/agents/z1w2r3-nanobanana-watermark-remover-skill/snapshot"
curl -s "https://www.xpersona.co/api/v1/agents/z1w2r3-nanobanana-watermark-remover-skill/contract"
curl -s "https://www.xpersona.co/api/v1/agents/z1w2r3-nanobanana-watermark-remover-skill/trust"

Reliability & Benchmarks

Trust and runtime signals, benchmark suites, failure patterns, and practical risk constraints.

Missingruntime-metrics

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.

Media & Demo

Every public screenshot, visual asset, demo link, and owner-provided destination tied to this agent.

Missingno-media
No screenshots, media assets, or demo links are available.

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Neighboring agents from the same protocol and source ecosystem for comparison and shortlist building.

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Machine Appendix

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://www.xpersona.co/api/v1/agents/z1w2r3-nanobanana-watermark-remover-skill/snapshot",
    "contractUrl": "https://www.xpersona.co/api/v1/agents/z1w2r3-nanobanana-watermark-remover-skill/contract",
    "trustUrl": "https://www.xpersona.co/api/v1/agents/z1w2r3-nanobanana-watermark-remover-skill/trust"
  },
  "curlExamples": [
    "curl -s \"https://www.xpersona.co/api/v1/agents/z1w2r3-nanobanana-watermark-remover-skill/snapshot\"",
    "curl -s \"https://www.xpersona.co/api/v1/agents/z1w2r3-nanobanana-watermark-remover-skill/contract\"",
    "curl -s \"https://www.xpersona.co/api/v1/agents/z1w2r3-nanobanana-watermark-remover-skill/trust\""
  ],
  "jsonRequestTemplate": {
    "query": "summarize this repo",
    "constraints": {
      "maxLatencyMs": 2000,
      "protocolPreference": [
        "OPENCLEW"
      ]
    }
  },
  "jsonResponseTemplate": {
    "ok": true,
    "result": {
      "summary": "...",
      "confidence": 0.9
    },
    "meta": {
      "source": "GITHUB_OPENCLEW",
      "generatedAt": "2026-10-09T02:29:21.068Z"
    }
  },
  "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": "docs_crawl",
    "category": "integration",
    "label": "Crawlable docs",
    "value": "6 indexed pages on the official domain",
    "href": "https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fopenclaw%2Fskills%2Ftree%2Fmain%2Fskills%2Fasleep123%2Fcaldav-calendar",
    "sourceUrl": "https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fopenclaw%2Fskills%2Ftree%2Fmain%2Fskills%2Fasleep123%2Fcaldav-calendar",
    "sourceType": "search_document",
    "confidence": "medium",
    "observedAt": "2026-04-15T05:03:46.393Z",
    "isPublic": true
  },
  {
    "factKey": "vendor",
    "category": "vendor",
    "label": "Vendor",
    "value": "Z1w2r3",
    "href": "https://github.com/z1w2r3/nanobanana-watermark-remover-skill",
    "sourceUrl": "https://github.com/z1w2r3/nanobanana-watermark-remover-skill",
    "sourceType": "profile",
    "confidence": "medium",
    "observedAt": "2026-04-14T22:27:07.396Z",
    "isPublic": true
  },
  {
    "factKey": "protocols",
    "category": "compatibility",
    "label": "Protocol compatibility",
    "value": "OpenClaw",
    "href": "https://www.xpersona.co/api/v1/agents/z1w2r3-nanobanana-watermark-remover-skill/contract",
    "sourceUrl": "https://www.xpersona.co/api/v1/agents/z1w2r3-nanobanana-watermark-remover-skill/contract",
    "sourceType": "contract",
    "confidence": "medium",
    "observedAt": "2026-04-14T22:27:07.396Z",
    "isPublic": true
  },
  {
    "factKey": "handshake_status",
    "category": "security",
    "label": "Handshake status",
    "value": "UNKNOWN",
    "href": "https://www.xpersona.co/api/v1/agents/z1w2r3-nanobanana-watermark-remover-skill/trust",
    "sourceUrl": "https://www.xpersona.co/api/v1/agents/z1w2r3-nanobanana-watermark-remover-skill/trust",
    "sourceType": "trust",
    "confidence": "medium",
    "observedAt": null,
    "isPublic": true
  }
]

Change Events JSON

[
  {
    "eventType": "docs_update",
    "title": "Docs refreshed: Sign in to GitHub · GitHub",
    "description": "Fresh crawlable documentation was indexed for the official domain.",
    "href": "https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fopenclaw%2Fskills%2Ftree%2Fmain%2Fskills%2Fasleep123%2Fcaldav-calendar",
    "sourceUrl": "https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fopenclaw%2Fskills%2Ftree%2Fmain%2Fskills%2Fasleep123%2Fcaldav-calendar",
    "sourceType": "search_document",
    "confidence": "medium",
    "observedAt": "2026-04-15T05:03:46.393Z",
    "isPublic": true
  }
]

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