agent-bus-mcp (oitczvovich/agent-bus-mcp) is an MCP server listed on the M8ven Trust Index. It scores 71 out of 100, grade C. It declares 8 tools. No publisher has claimed this listing.

C
Caution
71/100

agent-bus-mcp

MCP wrapper for the agent-msg.sh file-based message bus, enabling MCP-compatible clients to send, receive, and manage inter-agent messages with bound identity and HMAC-signed payloads.

Caution. Specific findings reduced this grade. They are listed on the page. Grades reflect the full trust pyramid: code, verification depth, and reputation. New projects cap at C until adoption is earned.

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Who stands behind it

oitczvovich

Source: Glama

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Install from

The grade above is for the source repository. Registries can serve a different version, so we mark the ones we were not able to read.

// key findings
⚠️
Tool descriptions don’t match what handlers do
1 tool describes read intent but its handler mutates — bus_log (line 83: execFile()
No credential exfiltration, no sensitive file access, no obfuscation
Static analysis found nothing flowing your secrets to unexpected places.
// environment variables
To run this server yourself, you supply these values. They go in your own MCP client configuration and stay on your machine. The secret label means the value is sensitive, not that the server mishandles it.
configAGENT_BUS_ADMIN_NAMESbus_pending_approval pending-approval только для identity ∈ (default conductor,user)
configAGENT_BUS_ALLOW_CREATE1 разрешает завести шину по адресу, которого ещё нет (иначе отказ при старте)
configAGENT_BUS_PROJECT_DIR"": "/home/oitc/Dev/Astra/Astra_2.0"
configAGENT_BUS_SCRIPT~/.claude/dev-config/scripts/agent-msg.sh путь к обёртываемому CLI
configAGENT_MSG_ASОдин MCP-сервер = один агент. Личность () задаётся только через env сервера
configAGENT_MSG_BUSРезолв делает сервер, один раз, и передаёт готовый путь в agent-msg.sh через .
configAGENT_MSG_KEYS~/.claude/agent-keys откуда берётся список известных имён для проверки получателя
configASTRA_AGENT_BUSAGENT_MSG_BUS / — прямой override bus-директории (проброс в скрипт как есть)
configASTRA_AGENT_NAME
// quality suggestions

Tool annotations

No tools have read-only/destructive annotations

Add readOnlyHint or destructiveHint annotations to every tool so hosts can warn users before invoking.

All four hints declared on every tool

8/8 tools missing one or more hints — bus_send (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); bus_inbox (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); bus_read (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +5 more. OpenAI's directory rejects tools where any of the four hints are missing or non-boolean.

For every tool, set all four hints (readOnlyHint, destructiveHint, idempotentHint, openWorldHint) to explicit true/false values that match the handler’s actual behaviour.

Descriptions match behaviour

1 tool describes read intent but its handler mutates — bus_log (line 83: execFile()

Rename the tool, rewrite the description, or move the side-effect into a separate clearly-named tool.

Tool inputs are validated

7/8 tool handlers declare input schemas (88%)

Declare an inputSchema with zod/joi/yup on every tool definition.

License file

No license file

Add a LICENSE file (MIT, Apache-2.0, etc.).

Tests exist

No test files found

Add tests that exercise each declared tool.

Shell command execution

2 child_process/subprocess calls in production code — runs shell commands (src/index.js:45, src/index.js:83)

Prefer library functions over shell-outs. If you must shell out, ensure all inputs are properly escaped.

Tool description accuracy

bus_log: description implies read-only but handler writes/deletes/executes

Update tool descriptions to accurately reflect all capabilities — especially write, delete, or execute operations.

Claim the listing to review these findings one by one and send us a correction where you disagree, straight to the team. Claiming also means we tell you when the grade moves, and reach you first if we find anything urgent.

// full audit trail
The findings above are the summary. The full trail, every check we ran, each deduction, the network hosts observed and the dependency advisories, goes to verified publishers, along with an alert whenever a new one lands. Verified publishers can also review each finding and dispute it in one click. Publisher corrections have sharpened several of our checks this month, because the maintainer knows the codebase better than any scanner.
// improvement guidance — verified publishers only
We have 8 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.
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commit: a8266887653d7d5a48e7f792a885eaeec9994cb9
code hash: 13e1d22587ac96617ec84fa81b681fb4e27fc951df578946a00ee8b44c970e28
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