Developer Tools MCP Servers

Read-only access to S. Araba Lawson's Afromorphism essays, glossary, books, and site.

Live US paycheck and payroll-tax math for 2026, all 50 states and DC, powered by tools-berry.com.

Korean stocks: median price path after each DART filing type, plus T+1 closes.

Creative-intelligence MCP for campaign strategy, ad builds, QA, and reporting.

Verifiable physical randomness from cosmic-ray detections. Free beacon, paid signed decisions.

Coordination memory with verification: reconcile-against-GitHub, verdict freshness, provenance.

Disposable test mailboxes on a real domain: send, receive and assert on real email.

Free MCP window into a live autonomous machine-economy experiment: telemetry, hypothesis scoreboard.

Query Bancadia's registry of US business checking account products with structured filters.

Independent pre-transaction audit for construction estimates. Free, and every verdict recomputes.

Search 5000+ software tools with structured, labelled facts. No pay-to-rank.

Query Churn Solution cancellation-flow metrics, revenue, and feedback analytics (read-only).

Rule-based site audits: accessibility, SEO, security headers, performance. Metered per call.

Real public holiday lookup for 206 countries via a rule-based calendar engine. Paid via x402.

Real Monte Carlo simulation of a compound event/conditional probability. Paid via x402.

Validates ICD-10-CM against the real FY2026 catalog (NCHS/CDC) and CPT by structure/category.

Resolves real semver range satisfaction (^1.2.3, ~2.0) against a version. Paid via x402/USDC.

Statically audits MCP tool surfaces for token cost, schema quality, and design issues.

Brazilian stock (B3) fundamentals: ratios, multiples, dividends, scores. Public methodology.

Ask about your Dreambooth Studio photobooths: sessions, revenue, credits, projects, device status.

Deploy and manage web apps on InstaPods: create pods, push files, run commands, read logs.

7 anonymous read-only tools. Authority-bounded autonomous onboarding guide. No financial authority.

Find semantic Digche replacements for functional UI icons and retrieve the selected SVG style.

A structured story bible for long-form fiction: scenes, characters, world, plot and foreshadowing.