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.
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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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.
AGENT_BUS_ADMIN_NAMESbus_pending_approval pending-approval только для identity ∈ (default conductor,user)AGENT_BUS_ALLOW_CREATE1 разрешает завести шину по адресу, которого ещё нет (иначе отказ при старте)AGENT_BUS_PROJECT_DIR"": "/home/oitc/Dev/Astra/Astra_2.0"AGENT_BUS_SCRIPT~/.claude/dev-config/scripts/agent-msg.sh путь к обёртываемому CLIAGENT_MSG_ASОдин MCP-сервер = один агент. Личность () задаётся только через env сервераAGENT_MSG_BUSРезолв делает сервер, один раз, и передаёт готовый путь в agent-msg.sh через .AGENT_MSG_KEYS~/.claude/agent-keys откуда берётся список известных имён для проверки получателяASTRA_AGENT_BUSAGENT_MSG_BUS / — прямой override bus-директории (проброс в скрипт как есть)ASTRA_AGENT_NAMETool 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.
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