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Bannerbear MCP by usefulapi

io.usefulapi/bannerbearusefulapi.iostreamable-httpv1.16.4Scanned

Generate images, videos, and screenshots from your Bannerbear templates via AI.

15 tools: 4 can delete or cancel things and 11 only read.

Tools: 4 delete, 0 irreversible, 0 write, 11 read.
  • Reads private data · 0
  • Reads text others write · 3
  • Can send data out · 0
  • No findings

Tools listed without sign-in. Remote posture

Anlyon alternative

4 of these tools change something. Run those as governed actions.

Declare what an action changes, and Anlyon puts it under a shared limit, binds every approval to the exact request, and grades the outcome. It works on any HTTPS API you can describe as an action.

Anlyon does not run, proxy or govern this MCP server. A tool your own code calls directly is not routed through Anlyon and is not governed by it.

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Tools

Grouped by what each tool does, most consequential first. Open one for its reasons and full description; descriptions are the publisher's own words.

15 tools

Deletes or cancels 4Claude Code: deny
  • bannerbear_create_collectionGenerate a collection of images from a template set (additive; CONSUMES API quota).No findings

    Why it is in this group

    • The name "bannerbear_create_collection" says "create": a word for a change.
    • The server marks it destructive (destructiveHint: true).
    Description, as the server wrote it
    Generate a collection of images from a template set (additive; CONSUMES API quota). Async: returns a `pending` collection whose uid you poll with bannerbear_get_collection (image_urls map populates on completion). API: POST /v2/collections.

    Annotations the server declares

    • title: Create collection
    • destructiveHint: true
  • bannerbear_create_imageGenerate an image from a template (additive; CONSUMES API quota).No findings

    Why it is in this group

    • The name "bannerbear_create_image" says "create": a word for a change.
    • The server marks it destructive (destructiveHint: true).
    Description, as the server wrote it
    Generate an image from a template (additive; CONSUMES API quota). Async by default: returns a `pending` image whose uid you poll with bannerbear_get_image. Set synchronous:true to block and receive the finished image (image_url populated) via the sync host. API: POST /v2/images.

    Annotations the server declares

    • title: Create image
    • destructiveHint: true
  • bannerbear_create_screenshotCapture a screenshot of a web page (additive; CONSUMES API quota).No findings

    Why it is in this group

    • The name "bannerbear_create_screenshot" says "create": a word for a change.
    • The description's first verb is "capture": a word that usually means money moves, which cannot be taken back.
    • The server marks it destructive (destructiveHint: true).
    Description, as the server wrote it
    Capture a screenshot of a web page (additive; CONSUMES API quota). Async by default: returns a `pending` screenshot to poll. Set synchronous:true to block and receive the finished screenshot via the sync host. API: POST /v2/screenshots.

    Annotations the server declares

    • title: Create screenshot
    • destructiveHint: true
  • bannerbear_create_videoGenerate a video from a video template (additive; CONSUMES API quota).No findings

    Why it is in this group

    • The name "bannerbear_create_video" says "create": a word for a change.
    • The server marks it destructive (destructiveHint: true).
    Description, as the server wrote it
    Generate a video from a video template (additive; CONSUMES API quota). Async: returns a `pending` video whose uid you poll with bannerbear_get_video (video_url populates on completion). API: POST /v2/videos.

    Annotations the server declares

    • title: Create video
    • destructiveHint: true
Only reads 11Show 11 read-only tools
  • bannerbear_get_accountGet account details and usage: api_usage, api_quota, and paid_plan_name.No findings

    Why it is in this group

    • The name "bannerbear_get_account" says "get": a word for reading.
    Description, as the server wrote it
    Get account details and usage: api_usage, api_quota, and paid_plan_name. API: GET /v2/account.

    Annotations the server declares

    • title: Get account
    • readOnlyHint: true
  • bannerbear_get_collectionGet a single collection — poll this to check an async render (status: pending | completed | failed; image_urls map populates on completion).Reads text others writeNo findings

    Why it is in this group

    • The name "bannerbear_get_collection" says "get": a word for reading.

    What it can reach

    • untrusted-inputThe description's first sentence says "get" and "url": it reads web pages, which anyone can write.
    Description, as the server wrote it
    Get a single collection — poll this to check an async render (status: pending | completed | failed; image_urls map populates on completion). API: GET /v2/collections/{uid}.

    Annotations the server declares

    • title: Get collection
    • readOnlyHint: true
  • bannerbear_get_imageGet a single generated image — poll this to check an async render (status: pending | completed | failed; image_url populates on completion).Reads text others writeNo findings

    Why it is in this group

    • The name "bannerbear_get_image" says "get": a word for reading.

    What it can reach

    • untrusted-inputThe description's first sentence says "get" and "url": it reads web pages, which anyone can write.
    Description, as the server wrote it
    Get a single generated image — poll this to check an async render (status: pending | completed | failed; image_url populates on completion). API: GET /v2/images/{uid}.

    Annotations the server declares

    • title: Get image
    • readOnlyHint: true
  • bannerbear_get_templateGet a single template incl.No findings

    Why it is in this group

    • The name "bannerbear_get_template" says "get": a word for reading.
    Description, as the server wrote it
    Get a single template incl. its available_modifications (the layers you can override when generating). API: GET /v2/templates/{uid}.

    Annotations the server declares

    • title: Get template
    • readOnlyHint: true
  • bannerbear_get_template_setGet a single template set and the templates it contains.No findings

    Why it is in this group

    • The name "bannerbear_get_template_set" says "get": a word for reading.
    Description, as the server wrote it
    Get a single template set and the templates it contains. API: GET /v2/template_sets/{uid}.

    Annotations the server declares

    • title: Get template set
    • readOnlyHint: true
  • bannerbear_get_videoGet a single generated video — poll this to check an async render (status: pending | completed | failed; video_url populates on completion).Reads text others writeNo findings

    Why it is in this group

    • The name "bannerbear_get_video" says "get": a word for reading.

    What it can reach

    • untrusted-inputThe description's first sentence says "get" and "url": it reads web pages, which anyone can write.
    Description, as the server wrote it
    Get a single generated video — poll this to check an async render (status: pending | completed | failed; video_url populates on completion). API: GET /v2/videos/{uid}.

    Annotations the server declares

    • title: Get video
    • readOnlyHint: true
  • bannerbear_list_effectsList the image effects available for use in template modifications.No findings

    Why it is in this group

    • The name "bannerbear_list_effects" says "list": a word for reading.
    Description, as the server wrote it
    List the image effects available for use in template modifications. API: GET /v2/effects.

    Annotations the server declares

    • title: List effects
    • readOnlyHint: true
  • bannerbear_list_fontsList the fonts available for use in template modifications.No findings

    Why it is in this group

    • The name "bannerbear_list_fonts" says "list": a word for reading.
    Description, as the server wrote it
    List the fonts available for use in template modifications. API: GET /v2/fonts.

    Annotations the server declares

    • title: List fonts
    • readOnlyHint: true
  • bannerbear_list_imagesList generated images in the project (paginated).No findings

    Why it is in this group

    • The name "bannerbear_list_images" says "list": a word for reading.
    Description, as the server wrote it
    List generated images in the project (paginated). API: GET /v2/images.

    Annotations the server declares

    • title: List images
    • readOnlyHint: true
  • bannerbear_list_template_setsList the template sets in the project (used by collections).No findings

    Why it is in this group

    • The name "bannerbear_list_template_sets" says "list": a word for reading.
    Description, as the server wrote it
    List the template sets in the project (used by collections). API: GET /v2/template_sets.

    Annotations the server declares

    • title: List template sets
    • readOnlyHint: true
  • bannerbear_list_templatesList the templates in the project.No findings

    Why it is in this group

    • The name "bannerbear_list_templates" says "list": a word for reading.
    Description, as the server wrote it
    List the templates in the project. Filter/paginate with page, tag, name, and limit. API: GET /v2/templates.

    Annotations the server declares

    • title: List templates
    • readOnlyHint: true

This is not a safety rating, and no finding is not a safety guarantee. The groups and findings come from fixed checks of the tool definitions the server returned on the date shown, not from its code or what it does when called. How the checks work.

Exfil surface

Which tools read private data, which read text someone else can write, and which can send data out. One of each is a path a prompt injection can use.

No private-data, untrusted-input, outbound path in this server alone: no tool is tagged private-data or outbound.

Reads private data0
Reads files, mail, messages, databases, secrets, calendars or repositories.
Reads text others write3
Brings in text someone else can write: web pages, inbound email, messages, issues and comments.
Can send data out0
Can carry data to people or systems: it sends, posts or publishes, or takes a recipient, channel or URL.

Other servers in the same agent add their own tools to these paths. Audit your whole setup to see them together.

Remote posture

What anyone on the internet sees at the remote endpoint: an anonymous initialize and tools/list, and the public OAuth metadata.

Tools listed without sign-in

Looked at Oct 22, 2026, 15:23 UTC, unchanged since Oct 22, 2026. No credentials were sent and no tool was called. What is looked at.

Reachable
yes
HTTP status of an anonymous initialize
200
tools/list served without credentials
yes
Tools that change things, listed without credentials
4
Protocol version
2025-06-18
WWW-Authenticate on 401
not observed
resource_metadata in WWW-Authenticate
not observed
RFC 9728 protected resource metadata
https://bannerbear.usefulapi.io/.well-known/oauth-protected-resource/mcp
Authorization servers
https://bannerbear.usefulapi.io
Legacy HTTP+SSE transport
no
Dynamic client registration
yes
Client ID metadata documents
no
  • HighThe whole server

    The endpoint served tools/list without credentials, and the list has 4 tools that change things (4 destructive). Whether a call also works without credentials was not tested: tools are never called.

    Matched text

    https://bannerbear.usefulapi.io/mcp: tools/list returned 15 tools to an anonymous client, including bannerbear_create_image (destructive), bannerbear_create_collection (destructive), bannerbear_create_screenshot (destructive), bannerbear_create_video (destructive)

    What this check looks for

Findings

Matches of fixed checks, with the text they matched.

No check matched anything in these tool definitions. That is not a safety guarantee.

History

Changes to its tool definitions and to its remote endpoint, newest first.

No change seen yet. Its tools are rescanned every day, and a remote endpoint is looked at once a week.

All changes to this server

Install

Pinned to version 1.16.4. Values in angle brackets are yours to fill in.

claude mcp add --transport http bannerbear https://bannerbear.usefulapi.io/mcp
claude mcp add --transport http bannerbear https://bannerbear.usefulapi.io/mcp

Run in a terminal.

Claude Code permissions

Allow the reads, ask before a change or a way out, deny the deletes. Paste into .claude/settings.json.

.claude/settings.json
{
  "permissions": {
    "allow": [
      "mcp__bannerbear__bannerbear_get_account",
      "mcp__bannerbear__bannerbear_list_templates",
      "mcp__bannerbear__bannerbear_get_template",
      "mcp__bannerbear__bannerbear_list_template_sets",
      "mcp__bannerbear__bannerbear_get_template_set",
      "mcp__bannerbear__bannerbear_list_images",
      "mcp__bannerbear__bannerbear_get_image",
      "mcp__bannerbear__bannerbear_get_video",
      "mcp__bannerbear__bannerbear_get_collection",
      "mcp__bannerbear__bannerbear_list_fonts",
      "mcp__bannerbear__bannerbear_list_effects"
    ],
    "ask": [],
    "deny": [
      "mcp__bannerbear__bannerbear_create_image",
      "mcp__bannerbear__bannerbear_create_collection",
      "mcp__bannerbear__bannerbear_create_screenshot",
      "mcp__bannerbear__bannerbear_create_video"
    ]
  }
}

Tools that only read are allowed, tools that change things ask first, tools that delete or cancel are denied. A read that can send data out (it takes a URL, say) asks first too. It assumes the server is installed as bannerbear. Review it before you use it.

Capability tags behind 3 rules
  • mcp__bannerbear__bannerbear_get_image untrusted-input
  • mcp__bannerbear__bannerbear_get_video untrusted-input
  • mcp__bannerbear__bannerbear_get_collection untrusted-input

Pin

Keep the decision: fail CI when the tools change, follow every change, or show a badge.

Pin in CI

Fail a build when the tools you reviewed are not the tools the server serves today.

curl -s "https://anlyon.dev/api/v1/servers/io.usefulapi/bannerbear/verify?hash=033d88846720aa7bf8d4f15854fdadaea8d6386f587b42abf30fff46f95b1f4f" | jq -e '.changed == false'

Pinned hash 033d88846720, from Oct 22, 2026, 10:19 UTC.

Watch

Get told when its tools change: a new tool, a new description, a new class.

https://anlyon.dev/servers/io.usefulapi/bannerbear/changes.xml

An Atom feed. Works in any feed reader or Slack's RSS app.

Badge

anlyon.dev badge for io.usefulapi/bannerbear
[![anlyon.dev](https://anlyon.dev/badge/io.usefulapi/bannerbear.svg)](https://anlyon.dev/servers/io.usefulapi/bannerbear)

Source: MCP Registry · repository. Synced Oct 22, 2026, 11:18 UTC.