"FIRST" matching MCP servers:

Audits spacing, gaps, and element sizes in AI-generated UIs and returns fix hints the agent applies. Tailwind-first, with accessibility fallback.

Accessibility-first LaTeX publishing engine with an embedded MCP server. Tools to list registered documents, render template-driven documents, and audit built PDFs for PDF/UA-2 / WTPDF / PDF/A-4f conformance with veraPDF. MIT-licensed.

A local-first MCP server that scores your codebase's Build Readiness by reading code and running tests on your machine, outputting a diligence-grade score and risk register without uploading your source.

Local-first production-readiness MCP server for AI-built apps. It runs read-only checks, produces an evidence-based readiness score, and guides fixes before launch.

CLI-first API testing tool with MCP server. Tests are .tarn.yaml; failures come back as structured JSON for AI agents to branch on. Tools: tarn_run, tarn_validate, tarn_fix_plan, tarn_inspect, tarn_rerun_failed.

An Android-first MCP server for automating real devices, including multi-display handhelds and emulators, with structured tools for device inspection, input, app lifecycle, and diagnostics via ADB.

ocal-first, read-only MCP server that audits repository test architecture across ten language ecosystems. It returns deterministic evidence-backed findings, blockers, rankings, and repository-native test plans without modifying source files.

A quality-and-safety MCP server for Windsurf Cascade that enforces an evidence-first coding cycle with verified completion states.

Guides developers through disciplined Test-Driven Development cycles with session state management and phase transitions, ensuring test-first methodology.

Coaches a coding agent and a human through a first successful Zeus Client app turn, covering onboarding prerequisites, live readiness, scaffolding, contract binding, and smoke tests.

AI-native Model Context Protocol (MCP) server for TestRail. Lets Claude, Cursor, Windsurf, and other AI assistants browse projects, create and update test cases, kick off test runs, and record results through natural-language conversation — with strongly-typed tool schemas and per-project custom field validation that helps LLMs generate valid TestRail requests on the first try.

AI-first WebGL 1/2 debugging MCP server that attaches to Chrome via CDP, enables frame capture and diagnostic analysis, and collaborates with Chrome DevTools MCP for agent-driven debugging workflows.

Safe MCP server and CLI tool for testing, scoring, and inspecting n8n workflows. Features 19 tools for workflow testing, execution traces, tiered scoring, and a built-in node catalog with 800+ node types. Designed with safety-first approach: no credential management, no secrets lifecycle, no auto-fix loops.

Enables comparison of mobile app screenshots against design mockups, with Calorix as the first integration target.

Enables AI agents to connect to Charles Proxy for live and historical traffic analysis, summary-first insights, request detail inspection, and data-driven mock creation via Map Local/Remote.

A safety-first local MCP server for ROM reverse-engineering, enabling project status checks, file verification, Bakugan DS build/quality tasks, and read-only DeSmuME/ARM9 debugging.

Enables MCP clients to run evidence-first engineering investigations by gathering code, Git, log, and test evidence while avoiding fabricated root-cause claims.

Mobile automation suite of tools including an MCP and libraries for test authoring & execution. Android first, iOS support coming.

A production-grade MCP server providing an autonomous AI agent swarm, persistent semantic memory, browser automation, multi-model reasoning, and 78+ tools for AI-first testing and development.

Local-first MCP server for versioning, searching, evaluating, and improving AI prompts. Agents can fetch prompts, report outcomes, add notes, and propose human-approved variations.