com.calcfleet/calculators

Tested financial & practical calculators as free, no-auth MCP tools for AI agents.

dev.dungbeetle/mcp

Visual regression & snapshot testing for AI agents — list runs, read semantic diffs, review.

com.defaultverifier/settlement-witness

Remote-first MCP adapter for emitting Settlement Attestation Receipts; not a verifier.

io.github.whitestone1121-web/signalbrain

Verifiable receipts for governed process changes; emit, validate, and gate trust

net.digitalpipe.verify-test/dfuagp

Premium test server verified via DNS-TXT.

ai.gatetest.www/gatetest

120-module QA gate. Give Claude eyes (screenshots), ears (Sentry errors), and hands (verify fixes).

com.mock-server/mockserver

Mock, record/replay, verify and chaos-test any HTTP, REST, gRPC or LLM dependency over MCP.

com.backtest360/backtest360

MCP server exposing the Backtest360 engine API as tools for AI agents.

io.github.przeslijmi/real-fake-data-mcp

Realistic synthetic test data — valid PESELs, NIPs, IBANs, addresses, people across 27 EU countries.

io.github.HMAKT99/erabi

Check paid x402 APIs before your agent spends: signed uptime/price attestations. Zero-config join.

io.github.0rkz/byte-protocol

PayPerByte — per-byte data for AI agents: x402 USDC on Base, EIP-712-attested. No token.

io.github.dinosaur24/mockhero

Generate realistic relational test data — 156 field types, 22 locales, JSON/CSV/SQL, free previews.

io.github.Pact-Community-Organization/pact

Pact 5 tooling: REPL test runs, trap scanning, gas estimation, interface diff, format checks.

io.github.qatouch/qatouch

MCP Server for software testing, test case management, test execution, and defect tracking.

ai.apithreshold/apithreshold

Quality scoring and progressive gates for AI-generated API tests. Stripe/Twilio profiles. Free tier.

io.github.maxwellsantoro/dotrepo

Trust-aware repository facts for agents: build, test, docs, license, and security, no scraping.

io.github.mobile-next/mobile-mcp

MCP server for iOS and Android Mobile Development, Automation and Testing

ch.jassverband/jasswiki

First production Authority-MCP. W3C VC attested by Jassverband Schweiz.

io.github.pineforge-4pass/pineforge-codegen-mcp

Offline PineScript v6 → C++ backtests at deterministic TradingView parity, run locally via MCP.

io.github.tidynest/raven-nest-mcp

AI-driven penetration testing - 22 security tools behind safety-hardened MCP endpoints

io.github.DiegoBr4nd/godot-gut-mcp

Servidor MCP que permite ejecutar tests de Godot con GUT desde cualquier IA

io.github.masdevid/mt5-quant

MT5 strategy development with 87 tools. Backtest, optimize, debug MQL5 EAs on macOS/Linux.

io.github.ProvarTesting/provar

Provar MCP: AI-powered Salesforce test automation. Generate, validate, migrate, and run tests.

io.github.aliboIly/tripwire

MCP for Roblox Studio and Open Cloud: drive Studio, run headless tests, and review game security.