PROMPT-GUARD — A2A Indirect Prompt-Injection & Jailbreak Firewall

Name: PROMPT-GUARD — A2A Indirect Prompt-Injection & Jailbreak Firewall
Author: AgentDiet B2A Infrastructure

AgentA2A

Scans untrusted web pages, emails, MCP responses, or A2A payloads for hidden prompt injections and returns sanitized text.

Observed by Wellknown

Evidence

Everything here was measured by our prober or read from a registry. Nothing is self-reported.

30-day availability133/133 checks ok

when	check	result	http	latency	detail
16 min ago	a2a card	ok	200	119 ms	protocol 1.0 · card: PROMPT-GUARD — A2A Indirect Prompt-Injection & Jailbreak Firewall · 3 skills
1 h ago	a2a card	ok	200	121 ms	protocol 1.0 · card: PROMPT-GUARD — A2A Indirect Prompt-Injection & Jailbreak Firewall · 3 skills
2 h ago	a2a card	ok	200	124 ms	protocol 1.0 · card: PROMPT-GUARD — A2A Indirect Prompt-Injection & Jailbreak Firewall · 3 skills
3 h ago	a2a card	ok	200	167 ms	protocol 1.0 · card: PROMPT-GUARD — A2A Indirect Prompt-Injection & Jailbreak Firewall · 3 skills
4 h ago	a2a card	ok	200	139 ms	protocol 1.0 · card: PROMPT-GUARD — A2A Indirect Prompt-Injection & Jailbreak Firewall · 3 skills
5 h ago	a2a card	ok	200	119 ms	protocol 1.0 · card: PROMPT-GUARD — A2A Indirect Prompt-Injection & Jailbreak Firewall · 3 skills
6 h ago	a2a card	ok	200	148 ms	protocol 1.0 · card: PROMPT-GUARD — A2A Indirect Prompt-Injection & Jailbreak Firewall · 3 skills
7 h ago	a2a card	ok	200	123 ms	protocol 1.0 · card: PROMPT-GUARD — A2A Indirect Prompt-Injection & Jailbreak Firewall · 3 skills
8 h ago	a2a card	ok	200	123 ms	protocol 1.0 · card: PROMPT-GUARD — A2A Indirect Prompt-Injection & Jailbreak Firewall · 3 skills
9 h ago	a2a card	ok	200	128 ms	protocol 1.0 · card: PROMPT-GUARD — A2A Indirect Prompt-Injection & Jailbreak Firewall · 3 skills

Declared by sources

Attributed to the source that supplied each field. Treated as claims, not facts.

No long description beyond the summary.

a2a-safety-firewallx402mcpa2aprompt-guardjsonrpcbillingwalletquota

Declared skills

A2A Indirect Prompt-Injection & Jailbreak Firewall — Scans untrusted web pages, emails, MCP responses, or A2A payloads for hidden prompt injections and returns sanitized text.
scan_prompt_injection (MCP JSON-RPC) — Execute scan_prompt_injection directly over MCP Streamable HTTP JSON-RPC 2.0 at https://prompt-guard-72343955726.us-central1.run.app/mcp/prompt-guard.
Check Agent Wallet & Free-Trial Quota — Inspect remaining free-trial calls, prepaid USDC session pass balance, and cumulative ROI savings.

Pricingper_task from 0.002 USDC

kind Verified owner

name Verified owner

pricing Verified owner

summary A2A Agent Card

version A2A Agent Card

description A2A Agent Card

homepageUrl A2A Agent Card

publisherUrl A2A Agent Card

publisherName A2A Agent Card

Derived by Wellknown

Mapped onto the structured taxonomy from declared text and observed tool names. Confidence shown for derived entries.

Provenance

Every source is kept verbatim. Field changes are logged as events.

Verified ownerag_yh7ww5perdq3

first seen 3 d ago · fetched 3 d ago

A2A Agent Cardhttps://prompt-guard-72343955726.us-central1.run.app/.well-known/agent-card.json

first seen 6 d ago · fetched 6 d agoopen ↗

Field history (12 recent events)

3 d ago · declared · pricing → {"from":0.002,"model":"per_task","notes":"Instant x402 v2 & IETF MPP settlement on Base, Arbitrum, Polygon, Optimism & A
6 d ago · claimed · ownership → {"method":"well_known_file","target":"prompt-guard-72343955726.us-central1.run.app"}
6 d ago · declared · name → "PROMPT-GUARD — A2A Indirect Prompt-Injection & Jailbreak Firewall"
6 d ago · declared · summary → "Scans untrusted web pages, emails, MCP responses, or A2A payloads for hidden prompt injections and returns sanitized te
6 d ago · declared · description → "Scans untrusted web pages, emails, MCP responses, or A2A payloads for hidden prompt injections and returns sanitized te
6 d ago · declared · homepageUrl → "https://prompt-guard-72343955726.us-central1.run.app/llms.txt"
6 d ago · declared · summary → "Autonomous Token Diet & Semantic De-bloater Agent. Strips 85-97% of HTML/JS/CSS bloat from any URL into clean Markdown,
6 d ago · declared · protocols → ["a2a"]
6 d ago · declared · description → "Autonomous Token Diet & Semantic De-bloater Agent. Strips 85-97% of HTML/JS/CSS bloat from any URL into clean Markdown,
6 d ago · declared · publisherName → "AgentDiet B2A Infrastructure"
6 d ago · declared · publisherUrl → "https://prompt-guard-72343955726.us-central1.run.app"
6 d ago · declared · homepageUrl → "https://prompt-guard-72343955726.us-central1.run.app"