Soul (choihyunsus/soul) is an MCP server listed on the M8ven Trust Index. M8ven has not graded it: we have no way to read this server ourselves. No publisher has claimed this listing.
Gives AI agents persistent memory, handoffs, and shared context across sessions, enabling seamless continuity and multi-agent collaboration.
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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choihyunsus
Source: Glama
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Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.
@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse
N2_AGENTS_DIRN2_AGENT_NAMEN2_LANGN2_LOG_LEVELN2_TIMEZONETool 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
19/19 tools missing one or more hints — n2_boot (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); n2_work_end (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); n2_work_start (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +16 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.
Tool handlers catch errors
11/19 tool handlers wrap calls in try/catch (58%)
Wrap each tool handler body in try/catch and return a structured error response.
Tool test coverage
Only 0/19 tools referenced in tests (0%)
Write tests that reference each tool by name so every tool has at least one test.
Shell command execution
6 child_process calls — runs shell commands
Prefer library functions over shell-outs. If you must shell out, ensure all inputs are properly escaped.
Production dependencies are patched
0 critical, 1 high severity in production deps — @modelcontextprotocol/sdk@1.25.2 (high)
Run npm audit fix, or upgrade the affected packages to a non-vulnerable version.
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