A2A Agent Card Cross-SDK Signature Conformance
Per-SDK verdict matrix for signed A2A Agent Cards: which signatures verify in each SDK.
Should I use this
Quality & Safety
B
Based on automated analysis of tool definitions and protocol compliance.
Context Cost
~151Tokens (tool definitions)
~249 BTypical response size
Minimal attention impact (0.12% of 128k context)
This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.
Install
One-Click Install
Add this to your `claude_desktop_config.json` file:
{
"mcpServers": {
"a2a-agent-card-cross-sdk-signature-conformance": {
"url": "https://textforagents.com/products/a2a-agent-card-cross-sdk-signature-conformance/mcp"
}
}
}Remote endpoints
https://textforagents.com/products/a2a-agent-card-cross-sdk-signature-conformance/mcpstreamable-httpWhat it can do
Tool inventory
Tools (3)
🟢 Read-only🟡 Write🔴 Delete⚪ Unknown
🟢check_card(card_url, card, jwks)
Run one cross-SDK signature conformance verdict check (trial or $0.05 x402 accounting applies).
Input Schema
{
"type": "object",
"properties": {
"card_url": {
"type": "string"
},
"card": {
"type": "object"
},
"jwks": {
"type": "object"
}
},
"required": [
"jwks"
]
}🟢get_check(check_id)
Fetch one of your checks by id.
Input Schema
{
"type": "object",
"properties": {
"check_id": {
"type": "string"
}
},
"required": [
"check_id"
]
}🟢list_watches
List your watches.
Input Schema
{
"type": "object",
"properties": {}
}Community
Evidence
Recent observations
verifiedversion not recorded3 tools