
Official MCP RegistryListed
TestLens
Paste code + tests, get a strong/weak verdict with killed/survived mutants. Free API + MCP.
First seen 25 Oct 2026. Evidence as of 25 Oct 2026.
2
Tools
From an anonymous probe
1
Source listings
Each with its own history
1
Recorded changes
Since first seen
Tools
| Tool | Description | Behaviour |
|---|---|---|
| testlens_health | Check the TestLens API is up. Takes no arguments. | Not declared |
| testlens_mutate | Mutation-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. | Not declared |
Change history
- Listed (registry)
| Source | Listing | First seen | Last seen | Versions |
|---|---|---|---|---|
| Official MCP Registry | net.bigfloppy.testlens/testlens | 25 Oct 2026 | 25 Oct 2026 | 1 |