MCP, MCP server
A2A to MCP bridge
A2A v1.0.1 agents exposed as MCP tools on a stateless MCP 2026-07-28 server, with the io.modelcontextprotocol/tasks extension.
Compatibility: Not stated.
Grade B
Minor issues only, no Medium or High. Worth a quick look at the findings below before installing.
Not a guarantee. A hygiene check of the source at the commit shown, not a security audit.
Rescanned at commit 58eff9da469b, unchanged since the check below.
NETWORK_NO_FIXED_HOST SECRETS_PATH_DOTENV
Why this grade
- NETWORK_NO_FIXED_HOST Low
Makes a network call whose host is not written as a fixed address.
docs/demo/accept-client.mjs, line 15
const res = await fetch(URL_, { - SECRETS_PATH_DOTENV Low
Mentions a .env file.
.gitignore, line 6
.env
Any High, or two or more Medium findings, give D. One Medium gives C. Low findings or a security Note give B. Each code names a finding behind the letter.
Grades are a hygiene check of the source at the commit shown, on the date checked, not a security audit or a guarantee. The free directory grades are automated. Before release, a PlugVet engineer reviews every paid report and any grade we hold back, including all F grades, against the source code and the evidence we quote.
What was checked
Plain notes from the hygiene checks.
Permissions
Pass
No shell or command execution found, and no extra permission was declared.
Install and update
Pass
No install-time script found, and dependencies are pinned or absent.
Network
Concern
can reach a host that is not written as a fixed address.
NETWORK_NO_FIXED_HOST
docs/demo/accept-client.mjs, line 15
const res = await fetch(URL_, {
docs/demo/trace-proxy.mjs, line 30
const upstream = http.request(
scripts/conformance/run.mjs, line 173
const response = await fetch(url, {
Show more
scripts/helloworld/run.sh, line 93
if curl -sf -o /dev/null "$CARD_URL"; then
src/agent-card.ts, line 163
response = await this.#fetch(cardUrl, {
src/http.ts, line 38
fetch(request: Request): Promise<Response>;
src/http.ts, line 44
async fetch(request: Request): Promise<Response> {
src/http.ts, line 68
return options.handler.fetch(rebuild());
Secrets
Concern
reads a credential or environment file.
SECRETS_PATH_DOTENV
.gitignore, line 5
conformance/results/**/*.log
.gitignore, line 6
.env
Agent instructions
Pass
No instruction to ignore earlier instructions or to hide a step.
Obfuscation
Pass
No encoded or minified payload found.
Licence
Pass
A licence file is present (LICENSE).
Maintainer activity
Pass
The latest commit is within the last 365 days.
Note
Hygiene check of commit 58eff9da469b. can reach a host that is not written as a fixed address. reads a credential or environment file.
Date and source
Date checked:
github.com
Commit graded: 58eff9da469bccdc432bf164662727947de646b4
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