Is "@mcp-b/ext-apps" on MCP Registry Safe to Install?

miguelspizza · mcp · v1.1.0-http-adapter.0

MCP Apps SDK — Enable MCP servers to display interactive user interfaces in conversational clients.

Risk Assessment

Analyzed
100
out of 100
CRITICAL

457 security findings detected across all analyzers

MCP server analyzed for tool poisoning, prompt injection, and data exfiltration

Severity Breakdown

13
Critical
171
High
270
Medium
0
Low
0
Info

Finding Categories

143
Malware Signatures
28
Secrets
16
Network
232
IoC Indicators

YARA Rules Matched

10 rules(143 hits)
postinstall obfuscation postinstall registry modification postinstall file download postinstall system command postinstall network communication postinstall crypto operations postinstall environment access postinstall file manipulation OriginsNotVerified NoUseWeakRandom

MCP Server Analysis

MCP servers expose tools and resources to AI assistants. Unlike browser extensions, they run as standalone processes with direct system access. Tool definitions are analyzed for prompt injection, data exfiltration, and tool poisoning patterns.

About This Extension

MCP Apps SDK — Enable MCP servers to display interactive user interfaces in conversational clients.

Detailed Findings

207 total

YARA Rule Matches

10 rules

Indicators of Compromise

Network indicators, suspicious strings, and potential IoCs extracted during analysis

URLs
68
IP Addresses
2
Domains
163
Strings
232

All Indicators · 232

URL
detected URL: https://github.com/modelcontextprotocol/ext-apps/tree/main/examples/pdf-server)

XIOC detected URL: https://github.com/modelcontextprotocol/ext-apps/tree/main/examples/pdf-server)

extracted_from_files

Domain
detected Domain: github.com

XIOC detected Domain: github.com

extracted_from_files

Domain
detected Domain: u.name

XIOC detected Domain: u.name

extracted_from_files

Domain
detected Domain: r.data

XIOC detected Domain: r.data

extracted_from_files

URL
detected URL: https://github.com/modelcontextprotocol/ext-apps/tree/main/examples/basic-server-react)

XIOC detected URL: https://github.com/modelcontextprotocol/ext-apps/tree/main/examples/basic-server-react)

extracted_from_files

URL
detected URL: https://github.com/modelcontextprotocol/ext-apps/tree/main/examples/basic-server-vue)

XIOC detected URL: https://github.com/modelcontextprotocol/ext-apps/tree/main/examples/basic-server-vue)

extracted_from_files

URL
detected URL: https://github.com/modelcontextprotocol/ext-apps/tree/main/examples/sheet-music-server)

XIOC detected URL: https://github.com/modelcontextprotocol/ext-apps/tree/main/examples/sheet-music-server)

extracted_from_files

URL
detected URL: https://github.com/modelcontextprotocol/ext-apps/tree/main/examples/wiki-explorer-server)

XIOC detected URL: https://github.com/modelcontextprotocol/ext-apps/tree/main/examples/wiki-explorer-server)

extracted_from_files

URL
detected URL: https://github.com/modelcontextprotocol/ext-apps/tree/main/examples/cohort-heatmap-server)

XIOC detected URL: https://github.com/modelcontextprotocol/ext-apps/tree/main/examples/cohort-heatmap-server)

extracted_from_files

URL
detected URL: https://github.com/modelcontextprotocol/ext-apps/tree/main/examples/scenario-modeler-server)

XIOC detected URL: https://github.com/modelcontextprotocol/ext-apps/tree/main/examples/scenario-modeler-server)

extracted_from_files

URL
detected URL: https://github.com/modelcontextprotocol/ext-apps/tree/main/examples/budget-allocator-server)

XIOC detected URL: https://github.com/modelcontextprotocol/ext-apps/tree/main/examples/budget-allocator-server)

extracted_from_files

URL
detected URL: https://github.com/modelcontextprotocol/ext-apps/tree/main/examples/customer-segmentation-server)

XIOC detected URL: https://github.com/modelcontextprotocol/ext-apps/tree/main/examples/customer-segmentation-server)

extracted_from_files

URL
detected URL: https://github.com/modelcontextprotocol/ext-apps/tree/main/examples/system-monitor-server)

XIOC detected URL: https://github.com/modelcontextprotocol/ext-apps/tree/main/examples/system-monitor-server)

extracted_from_files

URL
detected URL: https://github.com/modelcontextprotocol/ext-apps/tree/main/examples/basic-host)

XIOC detected URL: https://github.com/modelcontextprotocol/ext-apps/tree/main/examples/basic-host)

extracted_from_files

URL
detected URL: https://github.com/idosal/mcp-ui)

XIOC detected URL: https://github.com/idosal/mcp-ui)

extracted_from_files

URL
detected URL: https://agentskills.io/)

XIOC detected URL: https://agentskills.io/)

extracted_from_files

URL
detected URL: https://github.com/modelcontextprotocol/ext-apps/tree/main/examples)

XIOC detected URL: https://github.com/modelcontextprotocol/ext-apps/tree/main/examples)

extracted_from_files

URL
detected URL: https://github.com/modelcontextprotocol/ext-apps/tree/main/examples/map-server)

XIOC detected URL: https://github.com/modelcontextprotocol/ext-apps/tree/main/examples/map-server)

extracted_from_files

URL
detected URL: https://github.com/modelcontextprotocol/ext-apps/tree/main/examples/threejs-server)

XIOC detected URL: https://github.com/modelcontextprotocol/ext-apps/tree/main/examples/threejs-server)

extracted_from_files

URL
detected URL: https://github.com/modelcontextprotocol/ext-apps/tree/main/examples/shadertoy-server)

XIOC detected URL: https://github.com/modelcontextprotocol/ext-apps/tree/main/examples/shadertoy-server)

extracted_from_files

URL
detected URL: https://github.com/modelcontextprotocol/ext-apps/blob/main/specification/2026-01-26/apps.mdx)

XIOC detected URL: https://github.com/modelcontextprotocol/ext-apps/blob/main/specification/2026-01-26/apps.mdx)

extracted_from_files

URL
detected URL: https://github.com/modelcontextprotocol/ext-apps/blob/main/specification/draft/apps.mdx)

XIOC detected URL: https://github.com/modelcontextprotocol/ext-apps/blob/main/specification/draft/apps.mdx)

extracted_from_files

URL
detected URL: https://mcpui.dev/)

XIOC detected URL: https://mcpui.dev/)

extracted_from_files

URL
detected URL: https://developers.openai.com/apps-sdk/)

XIOC detected URL: https://developers.openai.com/apps-sdk/)

extracted_from_files

URL
detected URL: https://modelcontextprotocol.github.io/ext-apps/api/modules/app.html)

XIOC detected URL: https://modelcontextprotocol.github.io/ext-apps/api/modules/app.html)

extracted_from_files

URL
detected URL: https://modelcontextprotocol.github.io/ext-apps/api/modules/_modelcontextprotocol_ext-apps_react.html)

XIOC detected URL: https://modelcontextprotocol.github.io/ext-apps/api/modules/_modelcontextprotocol_ext-apps_react.html)

extracted_from_files

URL
detected URL: https://modelcontextprotocol.github.io/ext-apps/api/modules/app-bridge.html)

XIOC detected URL: https://modelcontextprotocol.github.io/ext-apps/api/modules/app-bridge.html)

extracted_from_files

Domain
detected Domain: mcr.microsoft.com

XIOC detected Domain: mcr.microsoft.com

extracted_from_files

Domain
detected Domain: install.sh

XIOC detected Domain: install.sh

extracted_from_files

URL
detected URL: http://www.apache.org/licenses/

XIOC detected URL: http://www.apache.org/licenses/

extracted_from_files

URL
detected URL: https://creativecommons.org/licenses/by/4.0/legalcode

XIOC detected URL: https://creativecommons.org/licenses/by/4.0/legalcode

extracted_from_files

URL
detected URL: https://img.shields.io/npm/v/@modelcontextprotocol/ext-apps.svg)](https://www.npmjs.com/package/@modelcontextprotocol/ext-apps)

XIOC detected URL: https://img.shields.io/npm/v/@modelcontextprotocol/ext-apps.svg)](https://www.npmjs.com/package/@modelcontextprotocol/ext-apps)

extracted_from_files

URL
detected URL: https://img.shields.io/badge/docs-API%20Reference-blue)](https://modelcontextprotocol.github.io/ext-apps/api/)

XIOC detected URL: https://img.shields.io/badge/docs-API%20Reference-blue)](https://modelcontextprotocol.github.io/ext-apps/api/)

extracted_from_files

URL
detected URL: https://github.com/modelcontextprotocol/modelcontextprotocol/pull/1865)).

XIOC detected URL: https://github.com/modelcontextprotocol/modelcontextprotocol/pull/1865)).

extracted_from_files

Domain
detected Domain: cloudflare.com

XIOC detected Domain: cloudflare.com

extracted_from_files

Domain
detected Domain: www.youtube.com

XIOC detected Domain: www.youtube.com

extracted_from_files

Domain
detected Domain: player.vimeo.com

XIOC detected Domain: player.vimeo.com

extracted_from_files

Domain
detected Domain: a904794854a047f6.claudemcpcontent.com

XIOC detected Domain: a904794854a047f6.claudemcpcontent.com

extracted_from_files

Domain
detected Domain: assets.anthropic.com

XIOC detected Domain: assets.anthropic.com

extracted_from_files

Domain
detected Domain: fonts.googleapis.com

XIOC detected Domain: fonts.googleapis.com

extracted_from_files

Domain
detected Domain: astral.sh

XIOC detected Domain: astral.sh

extracted_from_files

Domain
detected Domain: e.map

XIOC detected Domain: e.map

extracted_from_files

Domain
detected Domain: x.call

XIOC detected Domain: x.call

extracted_from_files

Domain
detected Domain: window.top

XIOC detected Domain: window.top

extracted_from_files

Domain
detected Domain: cdn.example.com

XIOC detected Domain: cdn.example.com

extracted_from_files

Domain
detected Domain: api.weather.com

XIOC detected Domain: api.weather.com

extracted_from_files

Domain
detected Domain: realtime.service.com

XIOC detected Domain: realtime.service.com

extracted_from_files

Domain
detected Domain: cdn.jsdelivr.net

XIOC detected Domain: cdn.jsdelivr.net

extracted_from_files

Domain
detected Domain: p.name

XIOC detected Domain: p.name

extracted_from_files

Domain
detected Domain: k.name

XIOC detected Domain: k.name

extracted_from_files

Domain
detected Domain: f.call

XIOC detected Domain: f.call

extracted_from_files

Domain
detected Domain: xhr.open

XIOC detected Domain: xhr.open

extracted_from_files

Domain
detected Domain: e.properties

XIOC detected Domain: e.properties

extracted_from_files

Domain
detected Domain: o.in

XIOC detected Domain: o.in

extracted_from_files

Domain
detected Domain: o.rest

XIOC detected Domain: o.rest

extracted_from_files

Domain
detected Domain: g.issues.map

XIOC detected Domain: g.issues.map

extracted_from_files

Domain
detected Domain: g.data

XIOC detected Domain: g.data

extracted_from_files

Domain
detected Domain: g.unit.one

XIOC detected Domain: g.unit.one

extracted_from_files

Domain
detected Domain: j.email

XIOC detected Domain: j.email

extracted_from_files

Domain
detected Domain: j.iso.date

XIOC detected Domain: j.iso.date

extracted_from_files

Domain
detected Domain: g.name

XIOC detected Domain: g.name

extracted_from_files

Domain
detected Domain: nativexhr.open

XIOC detected Domain: nativexhr.open

extracted_from_files

Domain
detected Domain: n.data

XIOC detected Domain: n.data

extracted_from_files

Domain
detected Domain: n.error.issues.map

XIOC detected Domain: n.error.issues.map

extracted_from_files

URL
detected URL: https://github.com/modelcontextprotocol/ext-apps/tree/main/examples/qr-server)

XIOC detected URL: https://github.com/modelcontextprotocol/ext-apps/tree/main/examples/qr-server)

extracted_from_files

URL
detected URL: https://github.com/modelcontextprotocol/ext-apps/tree/main/examples/say-server)

XIOC detected URL: https://github.com/modelcontextprotocol/ext-apps/tree/main/examples/say-server)

extracted_from_files

Domain
detected Domain: i.name

XIOC detected Domain: i.name

extracted_from_files

Domain
detected Domain: r.body.data

XIOC detected Domain: r.body.data

extracted_from_files

Domain
detected Domain: docs.example.com

XIOC detected Domain: docs.example.com

extracted_from_files

Domain
detected Domain: u.issues.map

XIOC detected Domain: u.issues.map

extracted_from_files

Domain
detected Domain: u.unit.one

XIOC detected Domain: u.unit.one

extracted_from_files

Domain
detected Domain: api.example.com

XIOC detected Domain: api.example.com

extracted_from_files

Domain
detected Domain: i.errors.map

XIOC detected Domain: i.errors.map

extracted_from_files

Domain
detected Domain: i.run

XIOC detected Domain: i.run

extracted_from_files

Domain
detected Domain: n.name

XIOC detected Domain: n.name

extracted_from_files

Domain
detected Domain: r.error.data

XIOC detected Domain: r.error.data

extracted_from_files

Domain
detected Domain: gr.data

XIOC detected Domain: gr.data

extracted_from_files

Domain
detected Domain: u.message.id

XIOC detected Domain: u.message.id

extracted_from_files

Domain
detected Domain: u.data

XIOC detected Domain: u.data

extracted_from_files

Domain
detected Domain: context.toolinfo.tool.name

XIOC detected Domain: context.toolinfo.tool.name

extracted_from_files

Domain
detected Domain: params.name

XIOC detected Domain: params.name

extracted_from_files

Domain
detected Domain: itemlist.map

XIOC detected Domain: itemlist.map

extracted_from_files

Domain
detected Domain: s.iso.date

XIOC detected Domain: s.iso.date

extracted_from_files

Domain
detected Domain: this.data

XIOC detected Domain: this.data

extracted_from_files

Domain
detected Domain: g.id

XIOC detected Domain: g.id

extracted_from_files

Domain
detected Domain: error.data

XIOC detected Domain: error.data

extracted_from_files

Domain
detected Domain: date.now

XIOC detected Domain: date.now

extracted_from_files

Domain
detected Domain: r.id

XIOC detected Domain: r.id

extracted_from_files

Domain
detected Domain: l.data

XIOC detected Domain: l.data

extracted_from_files

Domain
detected Domain: t.unit.one

XIOC detected Domain: t.unit.one

extracted_from_files

Domain
detected Domain: l.values.map

XIOC detected Domain: l.values.map

extracted_from_files

Domain
detected Domain: u.map

XIOC detected Domain: u.map

extracted_from_files

Domain
detected Domain: u.in

XIOC detected Domain: u.in

extracted_from_files

Domain
detected Domain: u.rest

XIOC detected Domain: u.rest

extracted_from_files

Domain
detected Domain: b.map

XIOC detected Domain: b.map

extracted_from_files

Domain
detected Domain: s.email

XIOC detected Domain: s.email

extracted_from_files

Domain
detected Domain: r.camera

XIOC detected Domain: r.camera

extracted_from_files

URL
detected URL: https://github.com/modelcontextprotocol/ext-apps

XIOC detected URL: https://github.com/modelcontextprotocol/ext-apps

extracted_from_files

IP
detected IP: ::

XIOC detected IP: ::

extracted_from_files

URL
detected URL: https://astral.sh/uv/install.sh

XIOC detected URL: https://astral.sh/uv/install.sh

extracted_from_files

Domain
detected Domain: t.issues.map

XIOC detected Domain: t.issues.map

extracted_from_files

Domain
detected Domain: b.run

XIOC detected Domain: b.run

extracted_from_files

Domain
detected Domain: b.issues.map

XIOC detected Domain: b.issues.map

extracted_from_files

Domain
detected Domain: r.oneof.map

XIOC detected Domain: r.oneof.map

extracted_from_files

Domain
detected Domain: example.com

XIOC detected Domain: example.com

extracted_from_files

Domain
detected Domain: claudemcpcontent.com

XIOC detected Domain: claudemcpcontent.com

extracted_from_files

Domain
detected Domain: www-example-com.oaiusercontent.com

XIOC detected Domain: www-example-com.oaiusercontent.com

extracted_from_files

Domain
detected Domain: o.data

XIOC detected Domain: o.data

extracted_from_files

Domain
detected Domain: t.data

XIOC detected Domain: t.data

extracted_from_files

Domain
detected Domain: capabilities.tools

XIOC detected Domain: capabilities.tools

extracted_from_files

Domain
detected Domain: z.email

XIOC detected Domain: z.email

extracted_from_files

Domain
detected Domain: z.iso.date

XIOC detected Domain: z.iso.date

extracted_from_files

Domain
detected Domain: n.gt

XIOC detected Domain: n.gt

extracted_from_files

Domain
detected Domain: n.lt

XIOC detected Domain: n.lt

extracted_from_files

Domain
detected Domain: r.properties

XIOC detected Domain: r.properties

extracted_from_files

Domain
detected Domain: v.map

XIOC detected Domain: v.map

extracted_from_files

Domain
detected Domain: r.anyof.map

XIOC detected Domain: r.anyof.map

extracted_from_files

Domain
detected Domain: r.date

XIOC detected Domain: r.date

extracted_from_files

Domain
detected Domain: r.gt

XIOC detected Domain: r.gt

extracted_from_files

Domain
detected Domain: r.lt

XIOC detected Domain: r.lt

extracted_from_files

Domain
detected Domain: r.int

XIOC detected Domain: r.int

extracted_from_files

Domain
detected Domain: r.safe

XIOC detected Domain: r.safe

extracted_from_files

Domain
detected Domain: r.rest

XIOC detected Domain: r.rest

extracted_from_files

Domain
detected Domain: r.in

XIOC detected Domain: r.in

extracted_from_files

Domain
detected Domain: v.rest

XIOC detected Domain: v.rest

extracted_from_files

Domain
detected Domain: n.in

XIOC detected Domain: n.in

extracted_from_files

Domain
detected Domain: v.error.issues.map

XIOC detected Domain: v.error.issues.map

extracted_from_files

Domain
detected Domain: this.ctx.target

XIOC detected Domain: this.ctx.target

extracted_from_files

Domain
detected Domain: this.ctx.io

XIOC detected Domain: this.ctx.io

extracted_from_files

Domain
detected Domain: r.io

XIOC detected Domain: r.io

extracted_from_files

Domain
detected Domain: r.email

XIOC detected Domain: r.email

extracted_from_files

Domain
detected Domain: t.rest

XIOC detected Domain: t.rest

extracted_from_files

Domain
detected Domain: c.map

XIOC detected Domain: c.map

extracted_from_files

Domain
detected Domain: i.target

XIOC detected Domain: i.target

extracted_from_files

Domain
detected Domain: l.map

XIOC detected Domain: l.map

extracted_from_files

Domain
detected Domain: n.properties

XIOC detected Domain: n.properties

extracted_from_files

Domain
detected Domain: n.options.map

XIOC detected Domain: n.options.map

extracted_from_files

Domain
detected Domain: v.items.map

XIOC detected Domain: v.items.map

extracted_from_files

Domain
detected Domain: i.id

XIOC detected Domain: i.id

extracted_from_files

Domain
detected Domain: o.case

XIOC detected Domain: o.case

extracted_from_files

Domain
detected Domain: t.map

XIOC detected Domain: t.map

extracted_from_files

Domain
detected Domain: i.io

XIOC detected Domain: i.io

extracted_from_files

Domain
detected Domain: r.target

XIOC detected Domain: r.target

extracted_from_files

Domain
detected Domain: schema.id

XIOC detected Domain: schema.id

extracted_from_files

Domain
detected Domain: t.in

XIOC detected Domain: t.in

extracted_from_files

Domain
detected Domain: r.constructor.name

XIOC detected Domain: r.constructor.name

extracted_from_files

Domain
detected Domain: n.issues.map

XIOC detected Domain: n.issues.map

extracted_from_files

Domain
detected Domain: i.in

XIOC detected Domain: i.in

extracted_from_files

Domain
detected Domain: i.parts

XIOC detected Domain: i.parts

extracted_from_files

Domain
detected Domain: unit.one

XIOC detected Domain: unit.one

extracted_from_files

Domain
detected Domain: e.values.map

XIOC detected Domain: e.values.map

extracted_from_files

Domain
detected Domain: o.id

XIOC detected Domain: o.id

extracted_from_files

Domain
detected Domain: i.options.map

XIOC detected Domain: i.options.map

extracted_from_files

Domain
detected Domain: n.map

XIOC detected Domain: n.map

extracted_from_files

Domain
detected Domain: i.rest

XIOC detected Domain: i.rest

extracted_from_files

Domain
detected Domain: l.issues.map

XIOC detected Domain: l.issues.map

extracted_from_files

Domain
detected Domain: r.issues.map

XIOC detected Domain: r.issues.map

extracted_from_files

Domain
detected Domain: i.issues.map

XIOC detected Domain: i.issues.map

extracted_from_files

Domain
detected Domain: i.values.map

XIOC detected Domain: i.values.map

extracted_from_files

Domain
detected Domain: zod.run

XIOC detected Domain: zod.run

extracted_from_files

Domain
detected Domain: issues.map

XIOC detected Domain: issues.map

extracted_from_files

Domain
detected Domain: v.issues.map

XIOC detected Domain: v.issues.map

extracted_from_files

Domain
detected Domain: i.property

XIOC detected Domain: i.property

extracted_from_files

Domain
detected Domain: o.map

XIOC detected Domain: o.map

extracted_from_files

Domain
detected Domain: v.data

XIOC detected Domain: v.data

extracted_from_files

Domain
detected Domain: l.run

XIOC detected Domain: l.run

extracted_from_files

Domain
detected Domain: i.map

XIOC detected Domain: i.map

extracted_from_files

Domain
detected Domain: object.prototype.hasownproperty.call

XIOC detected Domain: object.prototype.hasownproperty.call

extracted_from_files

Domain
detected Domain: o.constructor.name

XIOC detected Domain: o.constructor.name

extracted_from_files

Domain
detected Domain: r.name

XIOC detected Domain: r.name

extracted_from_files

Domain
detected Domain: v.errors.map

XIOC detected Domain: v.errors.map

extracted_from_files

Domain
detected Domain: l.errors.map

XIOC detected Domain: l.errors.map

extracted_from_files

Domain
detected Domain: c.properties

XIOC detected Domain: c.properties

extracted_from_files

Domain
detected Domain: patterns.md

XIOC detected Domain: patterns.md

extracted_from_files

Domain
detected Domain: appinfo.name

XIOC detected Domain: appinfo.name

extracted_from_files

Domain
detected Domain: window.open

XIOC detected Domain: window.open

extracted_from_files

Domain
detected Domain: params.data

XIOC detected Domain: params.data

extracted_from_files

Domain
detected Domain: json-schema.org

XIOC detected Domain: json-schema.org

extracted_from_files

Domain
detected Domain: this.name

XIOC detected Domain: this.name

extracted_from_files

Domain
detected Domain: r.map

XIOC detected Domain: r.map

extracted_from_files

Domain
detected Domain: agentskills.io

XIOC detected Domain: agentskills.io

extracted_from_files

Domain
detected Domain: registry.npmjs.org

XIOC detected Domain: registry.npmjs.org

extracted_from_files

Domain
detected Domain: pypi.org

XIOC detected Domain: pypi.org

extracted_from_files

Domain
detected Domain: raw.githubusercontent.com

XIOC detected Domain: raw.githubusercontent.com

extracted_from_files

Domain
detected Domain: www.npmjs.com

XIOC detected Domain: www.npmjs.com

extracted_from_files

Domain
detected Domain: agent-skills.md

XIOC detected Domain: agent-skills.md

extracted_from_files

Domain
detected Domain: server.py

XIOC detected Domain: server.py

extracted_from_files

Domain
detected Domain: www.apache.org

XIOC detected Domain: www.apache.org

extracted_from_files

Domain
detected Domain: b.errors.map

XIOC detected Domain: b.errors.map

extracted_from_files

Domain
detected Domain: i.tools

XIOC detected Domain: i.tools

extracted_from_files

Domain
detected Domain: n.target

XIOC detected Domain: n.target

extracted_from_files

Domain
detected Domain: mcpui.dev

XIOC detected Domain: mcpui.dev

extracted_from_files

Domain
detected Domain: developers.openai.com

XIOC detected Domain: developers.openai.com

extracted_from_files

Domain
detected Domain: modelcontextprotocol.github.io

XIOC detected Domain: modelcontextprotocol.github.io

extracted_from_files

URL
detected URL: https://github.com/modelcontextprotocol/ext-apps/tree/main/examples/video-resource-server)

XIOC detected URL: https://github.com/modelcontextprotocol/ext-apps/tree/main/examples/video-resource-server)

extracted_from_files

URL
detected URL: https://github.com/modelcontextprotocol/ext-apps/tree/main/examples/transcript-server)

XIOC detected URL: https://github.com/modelcontextprotocol/ext-apps/tree/main/examples/transcript-server)

extracted_from_files

URL
detected URL: http://localhost:8080/.

XIOC detected URL: http://localhost:8080/.

extracted_from_files

URL
detected URL: https://github.com/modelcontextprotocol/ext-apps.git

XIOC detected URL: https://github.com/modelcontextprotocol/ext-apps.git

extracted_from_files

URL
detected URL: https://github.com/modelcontextprotocol/ext-apps/tree/main/examples/hono-react-server)

XIOC detected URL: https://github.com/modelcontextprotocol/ext-apps/tree/main/examples/hono-react-server)

extracted_from_files

URL
detected URL: https://github.com/modelcontextprotocol/ext-apps/tree/main/examples/basic-server-vanillajs)

XIOC detected URL: https://github.com/modelcontextprotocol/ext-apps/tree/main/examples/basic-server-vanillajs)

extracted_from_files

URL
detected URL: https://github.com/modelcontextprotocol/ext-apps/tree/main/examples/basic-server-solid)

XIOC detected URL: https://github.com/modelcontextprotocol/ext-apps/tree/main/examples/basic-server-solid)

extracted_from_files

URL
detected URL: https://github.com/modelcontextprotocol/ext-apps/tree/main/examples/basic-server-preact)

XIOC detected URL: https://github.com/modelcontextprotocol/ext-apps/tree/main/examples/basic-server-preact)

extracted_from_files

URL
detected URL: https://github.com/modelcontextprotocol/ext-apps/tree/main/examples/basic-server-svelte)

XIOC detected URL: https://github.com/modelcontextprotocol/ext-apps/tree/main/examples/basic-server-svelte)

extracted_from_files

URL
detected URL: https://github.com/modelcontextprotocol/ext-apps/blob/main/specification/draft/apps.mdx))

XIOC detected URL: https://github.com/modelcontextprotocol/ext-apps/blob/main/specification/draft/apps.mdx))

extracted_from_files

URL
detected URL: https://modelcontextprotocol.github.io/ext-apps/api/)

XIOC detected URL: https://modelcontextprotocol.github.io/ext-apps/api/)

extracted_from_files

URL
detected URL: https://modelcontextprotocol.github.io/ext-apps/api/documents/Quickstart.html)

XIOC detected URL: https://modelcontextprotocol.github.io/ext-apps/api/documents/Quickstart.html)

extracted_from_files

URL
detected URL: https://pypi.org/simple

XIOC detected URL: https://pypi.org/simple

extracted_from_files

URL
detected URL: https://raw.githubusercontent.com/modelcontextprotocol/ext-apps/refs/heads/main/examples/say-server/server.py

XIOC detected URL: https://raw.githubusercontent.com/modelcontextprotocol/ext-apps/refs/heads/main/examples/say-server/server.py

extracted_from_files

URL
detected URL: https://registry.npmjs.org/

XIOC detected URL: https://registry.npmjs.org/

extracted_from_files

URL
detected URL: https://json-schema.org/draft/2020-12/schema

XIOC detected URL: https://json-schema.org/draft/2020-12/schema

extracted_from_files

URL
detected URL: http://json-schema.org/draft-04/schema#

XIOC detected URL: http://json-schema.org/draft-04/schema#

extracted_from_files

URL
detected URL: http://json-schema.org/draft-07/schema#

XIOC detected URL: http://json-schema.org/draft-07/schema#

extracted_from_files

URL
detected URL: http://[$

XIOC detected URL: http://[$

extracted_from_files

URL
detected URL: https://github.com/modelcontextprotocol/modelcontextprotocol/pull/1865)

XIOC detected URL: https://github.com/modelcontextprotocol/modelcontextprotocol/pull/1865)

extracted_from_files

URL
detected URL: https://github.com/modelcontextprotocol/ext-apps/blob/main/specification/2026-01-26/apps.mdx#sandbox-proxy

XIOC detected URL: https://github.com/modelcontextprotocol/ext-apps/blob/main/specification/2026-01-26/apps.mdx#sandbox-proxy

extracted_from_files

URL
detected URL: https://docs.example.com

XIOC detected URL: https://docs.example.com

extracted_from_files

URL
detected URL: https://*.example.com

XIOC detected URL: https://*.example.com

extracted_from_files

URL
detected URL: http://localhost

XIOC detected URL: http://localhost

extracted_from_files

URL
detected URL: https://api.example.com

XIOC detected URL: https://api.example.com

extracted_from_files

URL
detected URL: https://cdn.jsdelivr.net

XIOC detected URL: https://cdn.jsdelivr.net

extracted_from_files

URL
detected URL: https://api.weather.com

XIOC detected URL: https://api.weather.com

extracted_from_files

URL
detected URL: https://github.com/modelcontextprotocol/ext-apps/blob/main/specification/2026-01-26/apps.mdx

XIOC detected URL: https://github.com/modelcontextprotocol/ext-apps/blob/main/specification/2026-01-26/apps.mdx

extracted_from_files

URL
detected URL: https://example.com/mcp

XIOC detected URL: https://example.com/mcp

extracted_from_files

URL
detected URL: https://cdn.example.com

XIOC detected URL: https://cdn.example.com

extracted_from_files

URL
detected URL: https://fonts.googleapis.com/css2?family=Roboto&display=swap');

XIOC detected URL: https://fonts.googleapis.com/css2?family=Roboto&display=swap');

extracted_from_files

URL
detected URL: https://assets.anthropic.com/.../Regular.otf

XIOC detected URL: https://assets.anthropic.com/.../Regular.otf

extracted_from_files

URL
detected URL: https://player.vimeo.com

XIOC detected URL: https://player.vimeo.com

extracted_from_files

URL
detected URL: https://www.youtube.com

XIOC detected URL: https://www.youtube.com

extracted_from_files

URL
detected URL: https://*.cloudflare.com

XIOC detected URL: https://*.cloudflare.com

extracted_from_files

Domain
detected Domain: creativecommons.org

XIOC detected Domain: creativecommons.org

extracted_from_files

Domain
detected Domain: img.shields.io

XIOC detected Domain: img.shields.io

extracted_from_files

Domain
detected Domain: constructor.name

XIOC detected Domain: constructor.name

extracted_from_files

Security Analysis Summary

Security Analysis Overview

@mcp-b/ext-apps is a mcp extension published by miguelspizza. Version 1.1.0-http-adapter.0 has been analyzed by the Risky Plugins security platform, receiving a risk score of 100/100 (CRITICAL risk) based on 457 security findings.

Risk Assessment

This extension presents critical security risk. Severe issues were detected, potentially including malware indicators, exposed secrets, or dangerous behaviors. Installation is strongly discouraged until these issues are addressed.

Findings Breakdown

  • Critical: 13 finding(s)
  • High: 171 finding(s)
  • Medium: 270 finding(s)

What Was Analyzed

The security assessment covers multiple analysis categories:

  • Malware Detection: YARA rule matching against 2,400+ malware signatures
  • Secret Detection: Scanning for exposed API keys, tokens, and credentials
  • Static Analysis: Code-level security analysis for common vulnerability patterns
  • Network Analysis: Detection of suspicious network communications and endpoints
  • Obfuscation Detection: Identification of code obfuscation techniques

Developer Information

@mcp-b/ext-apps is published by miguelspizza on the mcp marketplace.

Recommendation

This extension is not recommended for installation without thorough manual review. Consider alternatives with lower risk scores, or contact the developer to address the identified security concerns.

Frequently Asked Questions