A2a Trustgate MCP server

by jyswee·io.github.jyswee/a2a-trustgate·v1.5.17

A2A TrustGate: 4-gate firewall that screens every AI-agent action before it runs. 50 tools.

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Reviews

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If you have run it, two minutes of your experience saves the next person an afternoon.

Tool list not cached yet. `describe` through the gateway fetches it live.

Not scanned yet. New registry listings are scanned within a day of import.

claude mcp add --transport http a2a-trustgate https://mcp.a2ainfrastructure.com/sse

Is A2a Trustgate MCP server safe?: Not known yet: the safety scan has not run. New listings are scanned within a few days.
How do I install A2a Trustgate?: It runs remotely at mcp.a2ainfrastructure.com. Add it to Claude Code, Claude Desktop or Cursor with the snippets above, or call it through the mcp.market gateway without installing anything.
Does A2a Trustgate need an API key?: Yes. The registry entry asks for A2A_API_KEY, Authorization.
Is A2a Trustgate maintained?: The latest release is v1.5.17.
Is A2a Trustgate up?: 100% of our last 1 checks got an answer. We check remote servers about four times a day.
What can I use instead of A2a Trustgate?: Servers from other publishers that do the same job: MCP server, MCP Server and IWE MCP server. Compare all A2a Trustgate alternatives.

Same job from other publishers: the closest match first, then the best rated.

MCP
Authorize consequential AI agent actions before execution
not reviewed
Established
A
MCP Server
Deterministic intent preflight before your agent builds: six gates, keyless, no model call.
not reviewed
Growing
B
IWE
Markdown knowledge base as agent memory. Runs against the notes directory it is started in.
not reviewed
Established
A
Agent-Native Clips
Screen recording, meeting notes, and voice dictation - all with AI
More from BuilderIO →
not reviewed
Established
A
Orcareplay
Read, replay and fork recorded coding-agent runs.
not reviewed
Established
A

With the gateway added, ask your agent for it by name:

agent prompt

call io.github.jyswee/a2a-trustgate → <tool>

Free per call. Metered, capped by your key, logged for reliability.

A2A_API_KEYsecretA2A TrustGate API key (a2a_...). Optional: without a key the server starts and can guide signup; most tools require a key to call the firewall.
A2A_URLBase URL of the A2A TrustGate API. Defaults to https://a2ainfrastructure.com.

https://mcp.a2ainfrastructure.com/sse

sse

Claim it to keep the listing current and reply to reviews. Claiming never changes the grade or hides a review.

Shows the safety grade and links back to this page. It updates itself after every scan and review.

[![mcp.market](https://mcp.market/badge/jyswee-a2a-trustgate.svg)](https://mcp.market/server/jyswee-a2a-trustgate)