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Spectra

Created By
Jorge Sandoval5 months ago
Generates high-quality unit tests for Python code with a coverage before/after report on every run. Derives concrete edge cases (None inputs, numeric boundaries, empty collections, exception paths) and returns ready-to-run pytest files with external I/O automatically mocked. Free tier: 100 executions. Pro: $19/month.
# testing
# unit-tests
OverviewContentToolsComments
Content
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Spectra logo

Spectra

by Poseidon Artificial IntelligenceUpdated Jul 15, 2026

Generates high-quality unit tests for source code and proves it with a coverage before/after report on every run. Free tools: suggest_edge_cases, check_quota. Paid tools: generate_tests, analyze_coverage.

testing
unit-tests
pytest
+9
|
5.0

How to pay

Subscribe

Monthly billing

$19/month

Predictable monthly cost with included usage. Best for steady, high-volume traffic.

  • Unlimited tools within plan limits
  • One API key, billed once a month
  • Cancel any time
See plans

Spectra parses your Python code, derives concrete edge cases (None inputs, numeric boundaries, empty collections, exception paths), and returns a ready-to-run pytest file with external I/O automatically mocked. Every result includes the value metric that matters: coverage before vs. after, and the number of tests generated. Two tools are free forever (suggest_edge_cases, check_quota); generate_tests and analyze_coverage consume credits.

Server Config

{
  "mcpServers": {
    "spectra": {
      "url": "https://spectra.mcpize.run"
    }
  }
}
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