Qa Probe vs Optlens
A side-by-side look at the Qa Probe and Optlens MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Qa Probe for developer tools work as a local process; choose Optlens for developer tools. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose Qa Probe when
- You need dedicated capabilities in the Developer Tools domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: No auth required.
- You want tools like
qa_probe_get_report, qa_probe_explain_failure, qa_probe_probe_endpoint.
Choose Optlens when
- You need dedicated capabilities in the Developer Tools domain.
- You have the keys it needs:
OPTLENS_SOLVER, OPTLENS_CALL_LIMIT.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Developer Tools | Developer Tools |
| Quality signal | 55/100 · Good | 29/100 · Emerging |
| Install command | Confirmed | Not confirmed yet |
| Transport | Local subprocess (stdio) | — |
| Auth | No auth required | Not declared |
| Pricing | Free | Not declared |
| Required env vars | None listed | OPTLENS_SOLVEROPTLENS_CALL_LIMIT |
| Verified owner | Community listing | Community listing |
| GitHub stars | 2 | 0 |
| Directory activity | 3 views 0 installs 0 upvotes | 0 views 0 installs 0 upvotes |
| Tools | 8 | Not listed |
| Full listing | View Qa Probe | View Optlens |
Tools & capabilities
Qa Probe tools 8
qa_probe_get_report"Show me all broken routes and their scores"qa_probe_explain_failure"Why is /reports showing no data?"qa_probe_probe_endpoint"Is GET /users returning data right now?"qa_probe_get_graph"Which backend routes does /dashboard call?"qa_probe_get_blast_radius"What pages break if the users endpoint goes down?"qa_probe_suggest_fix"What should I do about feature_flag_disabled?"qa_probe_run_analysis"Run a full QA check and give me the summary"qa_probe_label"Mark this finding as expected / a real bug"
Optlens tools
No tool names declared yet. Check the project README from the listing page.
Ready-to-paste client configs
Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
Qa Probe
{
"mcpServers": {
"ls-siem-llp-qa-probe": {
"command": "npx",
"args": [
"-y",
"qa-probe"
]
}
}
}
Optlens
No confirmed install command for Optlens yet — follow the setup steps linked from its listing page rather than a guessed package name.
Frequently asked questions
Qa Probe is categorized under Developer Tools and uses a local stdio subprocess. Optlens belongs to Developer Tools and uses an install path we have not confirmed yet. Pick Qa Probe for developer tools work and Optlens for developer tools.
Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client. Optlens has no confirmed install command yet — follow its own setup instructions.
Qa Probe is listed as free. Auth: no auth required. Optlens has no declared pricing — check the project's own site. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.
Yes. MCP clients support multiple servers: add ls-siem-llp-qa-probe and optlens as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Qa Probe has a quality signal of 55/100 (Good) with 3 views, 0 installs and 2 GitHub stars. Optlens has 29/100 (Emerging) with 0 views, 0 installs and 0 GitHub stars.