MCP Server Directory

Sparkplug B topic linting and UNS naming checks for MQTT topic paths.

Open-source human-in-the-loop QA runner: an AI agent works the test sheet, a person signs off.

Start, stop and read logs of your local dev servers from Claude Code, Cursor and Codex.

Codex Reset Monitor io.github.evanyuki/codex-reset-monitor

Verified Codex global reset history, banked-reset sightings and cadence statistics by Agenai.

Prompt Injection Detector dev.workers.manhliemcn4euwlu.llmrt-companion/mcp-prompt-injection

Prompt injection and system-prompt extraction testing for LLM agents. Free 8-probe sample.

Jailbreak Resistance Tester dev.workers.manhliemcn4euwlu.llmrt-companion/mcp-jailbreak

Jailbreak resistance tester for LLM agents: DAN, role-play, encoding bypass probes.

QR Cloud com.qr-cloud/qr-codes

Dynamic QR codes, short links and QR Reviews (Google review QR) with scan statistics.

Substrate co.trysubstrate/memory

Shared memory MCP server for Claude Code, Codex, Gemini CLI and Cursor. Cited, editable.

quantumcompanies io.github.pooriaarab/quantumcompanies

Find the companies building quantum technology.

Merget ai.merget/merget

Merget for coding agents: set up the merge queue, operate it, and read its findings and code graphs.

Episode-first, zero-latency long-term memory for local LLMs and AI coding assistants.

Read-only MCP server for JetBrains TeamCity — builds, configs, logs, tests, agents

Swatch com.clawhard/swatch

Check WCAG color contrast, fix failing colors, build 50-950 palettes. No account.

Ripey app.ripey/ripey

Let your agent open a store, list digital products and share USDC checkout links. Test mode.

WATR Software Oracle — estándar de arquitectura por rule_id io.github.edbror/watr-software-oracle

152 reglas con postura: enforce bloquea el PR, prefer se justifica. Clean Code, SOLID y agentes.

Campaign Magic ai.campaignmagic/campaign-magic

Build and run AI image and video campaign flows on your Campaign Magic team's canvas.

A/B Test Sample Size Calculator MCP io.github.theluckystrike/ab-test-sample-size-calculator-mcp

Exact A/B test sample size, duration, z-test, chi-square, Fisher-Freeman-Halton and peeking risk.

Dependency graph of jobs or tests that can safely parallelize: levels, critical path, schedule.

Build a PR body from its commits, the linked issue, and the repo's PR template.

Find untested functions: link tests to code, score coverage, record proven runs locally.

DSA coach for LeetCode, Codeforces and more: spaced-repetition revision and a mistake journal.

Organizations, projects, releases, and issues through the Sentry API.

Dibsline Permits com.dibsline/permits

Newly issued building permits in 10 US cities, with trade tags and job values, daily.

CGBB · Council for Global Brand Building org.cgbb/cgbb

Free CGBB membership and a signed trust.json for brands; verify any brand's CGBB record.