A2A Agent Card validator and generator (A2A 1.0, detects and flags v0.3 cards): supportedInterfaces, protocolBinding/protocolVersion, capabilities, media-type modes, skills, provider, security schemes/requirements, JWS signature structure. Validate by URL (fetches /.well-known/agent-card.json) or inline JSON; or mode=generate from name, description, endpoint and skills.
$0.002 USDC / callGET · POSTx402 V2 · eip155:8453Agent builder tools
https://forge-tools.dentreprise.workers.dev/api/a2a-agent-card?url=https%3A%2F%2Fexample.com
url — Agent origin or card URL
card — Inline Agent Card JSON (POST)
mode — validate (default) or generate
name — generate: agent name
description — generate: description
endpoint — generate: A2A endpoint https URL
skills — generate: JSON array or comma-separated skill names
{
"url": "https://example.com"
}{
"mode": "validate",
"spec_version_detected": "1.0",
"valid": true,
"errors": 0,
"warnings": 1,
"issues": [],
"related_tools": [
{
"route": "/api/mcp-manifest-lint",
"url": "https://forge-tools.dentreprise.workers.dev/api/mcp-manifest-lint",
"price": "$0.002",
"what": "MCP manifest linter"
},
{
"route": "/api/json-schema-validate",
"url": "https://forge-tools.dentreprise.workers.dev/api/json-schema-validate",
"price": "$0.001",
"what": "Validate LLM/agent JSON output against a JSON Schema (2020-12 subset) and auto-repair typical errors"
}
],
"catalog": "https://agent-hub.dentreprise.workers.dev/catalog.json"
}