MCP Server Directory

AI visibility checker: does AI recommend your brand? GEO/AEO, runs locally, BYO keys. CLI + MCP.

F1-grade MCP certification. 52 tests, 9 tiers (49 scored + T9 Receipt validation). Ecosystem: #2759

LiveVariant io.github.livevariant/livevariant

Build, inspect and read adaptive A/B tests. Config travels in the URL; no account or API key needed.

UpToCode io.github.DDYRich72/uptocode

Evidence-backed architecture-quality analysis for Python agent applications.

Wraps the ContinuityGuard CLI as a single generic MCP tool for video-clip continuity scans.

Python code analysis for AI agents: complexity, dead code, clones, coupling, and a health score.

WebhookTest.net net.webhooktest/webhook-tester

Anonymous webhook capture, inspection, waiting, and response configuration for AI agents.

Whalesync com.whalesync/whalesync

Build and manage Whalesync syncs: connect apps, map tables and fields, monitor and fix issues.

TextToQuant Backtesting and Quant Research com.texttoquant/texttoquant

Backtest plain-English trading strategies on real market data: graded results, honesty flags.

MCP Surface Lint io.github.DLeibner/mcp-surface-lint

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

TravelMind MCP online.trvaelmind/travelmind-mcp

TravelMind: 8 MCP tools for travel (12306 trains, flights, hotels, geocode, planning, policy).

Inspect and safely clean local Xcode, Simulator, and XCTest storage.

MCP server for Sigma Computing. Provision dashboards, build models, and automate cloud analytics.

Homechecker Guides io.github.Steven3265/homechecker-guides

Homechecker's professionally authored Australian homebuyer guides: search, cite, build checklists.

levelfour-mcp ai.levelfour/levelfour-mcp

Cloud, SaaS and AI spend in one system of record. Each saving applied for you or shipped as code.

MCPFax Vehicle Diagnostics com.mcpscores/vehicle-fault-codes

A fault code, a VIN, or a recall — answered from public NHTSA and standards data.

Test whether AI agents retain critical instructions as conversations grow.

MCP server for GroupDocs.Parser — extract text, images, metadata, tables, barcodes via AI.

Fudge io.github.scroobius-pip/fudge

Build websites that look designed, not generated. Fudge gives AI real websites to study.

Plan, validate, and build products and features with LaunchChair.

RunAPI MCP server for Qwen Image: create tasks, poll status, check pricing.

Snapshot tests and CI for agent workflows: record a run, replay it at 0 tokens, diff for drift.

constitution-lint dev.agentopskit/constitution-lint

Static linter for CLAUDE.md-style agent constitution files: 10 operational-guardrail checks.

Gumroad MCP by usefulapi io.usefulapi/gumroad

Read products, sales, subscribers and offer codes; verify, enable and disable product licenses.