SKILL verified Apache-2.0 Self-run

A2a Agent Card

Name: A2a Agent Card
Availability: InStock
Author: fabricioctelles

skill-fabricioctelles-skills-a2a-agent-card · by fabricioctelles

A Claude skill from fabricioctelles/skills.

↗ Website ↗ Repository

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Install

$ agentstack add skill-fabricioctelles-skills-a2a-agent-card

✓ scanned · ✓ verified — works with Claude Code, Cursor, and more.

Security review

✓ Passed

No issues found. Passed automated security review. · v0.1.0 How review works →

✓ Prompt-injection patterns
✓ Secret / credential exfiltration
✓ Dangerous shell & filesystem operations
✓ Untrusted network calls
✓ Known-malicious package signatures

What it can access

✓ Network access No
✓ Filesystem access No
✓ Shell / process execution No
✓ Environment & secrets No
✓ Dynamic code execution No

From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.

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About

Implement A2A Agent Card

Publish an A2A Agent Card for agent-to-agent discovery per the A2A Protocol Specification.

Requirements

Serve JSON at /.well-known/agent-card.json with HTTP 200
Include name, version, and description
Include supportedInterfaces with service URL and transport protocol
List capabilities and skills (each with id, name, description)

See Agent Discovery for the full schema.

Cloudflare

Agents SDK supports building A2A-compatible agents on Workers.

Validate

POST https://isitagentready.com/api/scan
Content-Type: application/json

{"url": "https://YOUR-SITE.com"}

Check that checks.discovery.a2aAgentCard.status is "pass".

Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

Author: fabricioctelles
Source: fabricioctelles/skills
License: Apache-2.0
Homepage: https://skill.dev.br

Install and usage instructions live in the source repository linked above.

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Versions

v0.1.0 Imported from the upstream source.