A2A Agent Card Validator
NewValidate an A2A Agent Card against required fields, interface bindings, skills and capabilities for versions 1.0 and 0.3.
Frequently Asked Questions
What is checked?
Required fields, URL formats, protocol bindings, skill structure and input/output modes.
Is v0.3 supported?
Yes, legacy cards using url and preferredTransport are validated too.
Is my data uploaded?
No. Everything runs locally in your browser.
Related Tools
SKILL.md Generator (Agent Skills)
NewGenerate a valid SKILL.md with YAML frontmatter for Claude Code, Copilot, Codex and other Agent Skills compatible agents.
SKILL.md Validator
NewValidate a SKILL.md file against the Agent Skills specification: frontmatter, name format, description length and body size.
AI Crawler robots.txt Builder
NewBuild a robots.txt that allows or blocks GPTBot, ClaudeBot, PerplexityBot, Google-Extended and other AI crawlers separately for training and search.