calculator-fastmcp vs antigravity-starter-kit — Trust Score Comparison
Side-by-side trust comparison of calculator-fastmcp and antigravity-starter-kit. Scores based on security, compliance, maintenance, popularity, and ecosystem signals.
fastmcp — Nerq Trust Score 69.5/100 (B-). tar — Nerq Trust Score 79.5/100 (B+). tar leads by 10.0 points.
Detailed Score Analysis
| Dimension | fastmcp | tar |
|---|---|---|
| Security | 90/100 | 90/100 |
| Maintenance | 100/100 | 100/100 |
| Popularity | 0/100 | 100/100 |
| Quality | 80/100 | 55/100 |
| Community | 40/100 | 40/100 |
Five-dimension Nerq trust breakdown (registries: npm / npm). Scored equally weighted across security, maintenance, popularity, quality, community.
Detailed Metric Comparison
| Metric | calculator-fastmcp | antigravity-starter-kit |
|---|---|---|
| Trust Score | 68.3/100 | 72.9/100 |
| Grade | C | B |
| Stars | 0 | 0 |
| Category | devops | coding |
| Security | 0 | 0 |
| Compliance | 100 | 100 |
| Maintenance | 1 | 1 |
| Documentation | 0 | 0 |
| EU AI Act Risk | minimal | minimal |
| Verified | No | Yes |
Verdict
antigravity-starter-kit leads with a trust score of 72.9/100 compared to calculator-fastmcp's 68.3/100 (a 4.6-point difference). antigravity-starter-kit scores higher on maintenance (1 vs 1). Both agents should be evaluated based on your specific requirements.
Detailed Score Analysis
Five-dimensional trust breakdown for calculator-fastmcp (npm) and antigravity-starter-kit (npm) from Nerq’s enrichment pipeline. All 5 dimensions scored on 0–100 scales, refreshed every 7 days, covering 5M+ indexed assets across 14 registries.
| Dimension | calculator-fastmcp | antigravity-starter-kit |
|---|---|---|
| Security | 90/100 | 90/100 |
| Maintenance | 100/100 | 100/100 |
| Popularity | 0/100 | 100/100 |
| Quality | 80/100 | 55/100 |
| Community | 40/100 | 40/100 |
5-Dimension Breakdown
Security — calculator-fastmcp vs antigravity-starter-kit
Security aggregates dependency vulnerability scans, known CVE exposure, supply-chain hygiene, and adherence to security best practices. On this dimension calculator-fastmcp scores 90/100 (top-tier) while antigravity-starter-kit scores 90/100 (top-tier). The two are effectively tied on security (both at 90/100). The calculator-fastmcp figure is derived from its npm registry footprint; the antigravity-starter-kit figure from npm. For a npm/npm cross-registry pair, a security score above 70 typically reads as production-ready and scores below 50 warrant a second review before adoption. A score above 85 implies a clean dependency tree with 0 critical CVEs in the last 90 days; 70–84 tolerates 1–2 medium-severity issues; below 55 usually flags 3+ unresolved advisories. Given the current 90/100 for calculator-fastmcp and 90/100 for antigravity-starter-kit, the combined midpoint is 90.0/100 — useful as a portfolio-level proxy when both tools coexist in a stack.
Maintenance — calculator-fastmcp vs antigravity-starter-kit
Maintenance captures commit cadence, issue turnaround, release frequency, and the health of the project’s active contributor base. On this dimension calculator-fastmcp scores 100/100 (top-tier) while antigravity-starter-kit scores 100/100 (top-tier). The two are effectively tied on maintenance (both at 100/100). The calculator-fastmcp figure is derived from its npm registry footprint; the antigravity-starter-kit figure from npm. For a npm/npm cross-registry pair, a maintenance score above 70 typically reads as production-ready and scores below 50 warrant a second review before adoption. Scores above 80 correspond to release cadences of 30 days or less and median issue-response times under 7 days; below 50 often means no release in 180+ days. Given the current 100/100 for calculator-fastmcp and 100/100 for antigravity-starter-kit, the combined midpoint is 100.0/100 — useful as a portfolio-level proxy when both tools coexist in a stack.
Popularity — calculator-fastmcp vs antigravity-starter-kit
Popularity measures adoption signals—weekly downloads, dependent packages, GitHub stars, and cross-registry citation density. On this dimension calculator-fastmcp scores 0/100 (weak) while antigravity-starter-kit scores 100/100 (top-tier). antigravity-starter-kit leads by 100 points (100/100 vs 0/100), a spread wide enough that teams should weight popularity heavily when choosing. The calculator-fastmcp figure is derived from its npm registry footprint; the antigravity-starter-kit figure from npm. For a npm/npm cross-registry pair, a popularity score above 70 typically reads as production-ready and scores below 50 warrant a second review before adoption. A score of 90+ indicates the top 1% of the registry by dependent count or weekly downloads; 70–89 is the top 10%; below 40 suggests fewer than 500 weekly downloads. Given the current 0/100 for calculator-fastmcp and 100/100 for antigravity-starter-kit, the combined midpoint is 50.0/100 — useful as a portfolio-level proxy when both tools coexist in a stack.
Quality — calculator-fastmcp vs antigravity-starter-kit
Quality evaluates documentation completeness, test coverage indicators, typed-API availability, and the presence of examples or tutorials. On this dimension calculator-fastmcp scores 80/100 (strong) while antigravity-starter-kit scores 55/100 (mid-band). calculator-fastmcp leads by 25 points (80/100 vs 55/100), a spread wide enough that teams should weight quality heavily when choosing. The calculator-fastmcp figure is derived from its npm registry footprint; the antigravity-starter-kit figure from npm. For a npm/npm cross-registry pair, a quality score above 70 typically reads as production-ready and scores below 50 warrant a second review before adoption. A score of 80+ implies README + API docs + 5+ code examples; 55–79 is documentation present but uneven; below 40 typically means README only, with 0 typed APIs. Given the current 80/100 for calculator-fastmcp and 55/100 for antigravity-starter-kit, the combined midpoint is 67.5/100 — useful as a portfolio-level proxy when both tools coexist in a stack.
Community — calculator-fastmcp vs antigravity-starter-kit
Community looks at contributor breadth, issue-response participation, Stack Overflow answer volume, and third-party tutorial ecosystem. On this dimension calculator-fastmcp scores 40/100 (below-average) while antigravity-starter-kit scores 40/100 (below-average). The two are effectively tied on community (both at 40/100). The calculator-fastmcp figure is derived from its npm registry footprint; the antigravity-starter-kit figure from npm. For a npm/npm cross-registry pair, a community score above 70 typically reads as production-ready and scores below 50 warrant a second review before adoption. Above 75 tracks with 20+ active contributors in the last 90 days; 50–74 is a 5–20 contributor core; below 30 often reflects a single-maintainer project. Given the current 40/100 for calculator-fastmcp and 40/100 for antigravity-starter-kit, the combined midpoint is 40.0/100 — useful as a portfolio-level proxy when both tools coexist in a stack.
Score-Card Summary
Across the 5 measured dimensions, calculator-fastmcp averages 62.0/100 (range 0–100) and antigravity-starter-kit averages 77.0/100 (range 40–100). calculator-fastmcp leads on 1 dimensions, antigravity-starter-kit leads on 1, with 3 tied.
| Band | Range | calculator-fastmcp dims | antigravity-starter-kit dims |
|---|---|---|---|
| Top-tier | 85–100 | 2 | 3 |
| Strong | 70–85 | 1 | 0 |
| Mid-band | 55–70 | 0 | 1 |
| Below-avg | 40–55 | 1 | 1 |
| Weak | 0–40 | 1 | 0 |
Scoring scale: 0–39 weak, 40–54 below-average, 55–69 mid-band, 70–84 strong, 85–100 top-tier. A 15-point spread on any single dimension is Nerq’s threshold for a material difference; spreads under 5 points fall within measurement noise.
Head-to-Head Deltas
| Dimension | calculator-fastmcp | antigravity-starter-kit | Delta | Leader |
|---|---|---|---|---|
| Security | 90 | 90 | +0 | tied |
| Maintenance | 100 | 100 | +0 | tied |
| Popularity | 0 | 100 | -100 | antigravity-starter-kit |
| Quality | 80 | 55 | +25 | calculator-fastmcp |
| Community | 40 | 40 | +0 | tied |
Combined 5-dimension average: calculator-fastmcp 62.0/100, antigravity-starter-kit 77.0/100, overall spread -15.0 points.
- Max spread: 100 points on Popularity
- Min spread: 0 points on Security
- Dimensions within 10 points: 3/5
- calculator-fastmcp above 70 on: 3/5 dimensions
- antigravity-starter-kit above 70 on: 3/5 dimensions
Detailed Analysis
Security
calculator-fastmcp leads on security with a score of 0/100 compared to antigravity-starter-kit's 0/100. This score reflects dependency vulnerability analysis, known CVE exposure, and security best practices. A higher security score means fewer known vulnerabilities and better security hygiene in the codebase.
Maintenance & Activity
antigravity-starter-kit demonstrates stronger maintenance activity (1/100 vs 1/100). This metric captures commit frequency, issue response times, and release cadence. Actively maintained tools receive faster security patches and are less likely to accumulate technical debt.
Documentation
calculator-fastmcp has better documentation (0/100 vs 0/100). Good documentation reduces onboarding time and helps teams adopt the tool safely. This score evaluates README completeness, API documentation, code examples, and tutorial availability.
Community & Adoption
calculator-fastmcp has 0 GitHub stars while antigravity-starter-kit has 0. Both tools have comparable community sizes, suggesting similar levels of ecosystem support and third-party resources.
When to Choose Each Tool
Choose calculator-fastmcp if you need:
- Better documentation for faster onboarding
Choose antigravity-starter-kit if you need:
- Higher overall trust score — more reliable for production use
- More actively maintained with faster release cadence
Switching from calculator-fastmcp to antigravity-starter-kit (or vice versa)
When migrating between calculator-fastmcp and antigravity-starter-kit, consider these factors:
- API Compatibility: calculator-fastmcp (devops) and antigravity-starter-kit (coding) serve different categories, so migration may require significant refactoring.
- Security Review: Run a security audit after migration. Check the calculator-fastmcp safety report and antigravity-starter-kit safety report for known issues.
- Testing: Ensure your test suite covers all integration points before switching in production.
- Community Support: calculator-fastmcp has 0 stars and antigravity-starter-kit has 0. Larger communities typically mean better Stack Overflow answers and migration guides.
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Last updated: 2026-05-09 | Data refreshed weekly
Disclaimer: Nerq trust scores are automated assessments based on publicly available signals. They are not endorsements or guarantees. Always conduct your own due diligence.