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TestLens
net.bigfloppy.testlens/testlens · v1.1.0
New (7 days)
Measured by MCP Station
| Last check | Reachable |
|---|---|
| Checked at | — |
| Check success 7 / 30 days | — |
| First-try success 30 days | — |
| Median response | — |
| Lookups 30 days | — |
| Authentication | No auth |
| MCP version | 2025-06-18 |
| Rank score | — |
| Declared risk | Not declared (tools carry no read/destructive hints) |
| Capabilities declared | tools |
| Tool definitions | 2 tools · with description 100% · input schema is an object 100% · read/destructive hints 0% |
Description written by the publisher, not verified
Paste code + tests, get a strong/weak verdict with killed/survived mutants. Free API + MCP.
Connect
streamable-http · https://testlens.bigfloppy.net/mcp
claude mcp add --transport http testlens https://testlens.bigfloppy.net/mcp{
"mcpServers": {
"testlens": {
"url": "https://testlens.bigfloppy.net/mcp"
}
}
}Tools as reported by the server
testlens_mutateMutation-test Python code: submit the module code and unittest test cases; TestLens generates small mutants (flipped comparisons, swapped operators, inverted booleans), runs the tests against each and reports the mutation score plus every SURVIVOR - behaviour the tests do not check. Free, no key.testlens_healthCheck the TestLens API is up. Takes no arguments.
Repository · Website · JSON · Text for agents · Registry updated 2026-10-25