MCP Server Directory

Regression testing for AI agents. Golden baselines, CI/CD, LangGraph, CrewAI, OpenAI, Claude.

Graph-powered code intelligence with semantic search and knowledge graph for AI assistants

demo-mcp-server io.github.kevincogan/demo-mcp-server

Demo server entry for local testing

AI-powered E2E testing MCP server. Detects and auto-fixes UI bugs via DevQA Loop and Vision AI.

Query the ATO in plain English — tax by postcode, corporate tax, GST, super, charities.

Audit MCP servers from inside Claude Code. 10 OWASP checks, A-F grade, live leaderboard.

Intent-Verified Development (IVD) io.github.leocelis/ivd

33 tools that make AI write, implement, and verify intent against explicit, testable constraints.

Backtesting Arena io.github.Schoasch/backtesting-arena

Crypto backtesting & Bitcoin cycle analytics. Point-in-time, DSR-corrected, look-ahead-aware.

eDiscovery Decoder News/Calc com.ediscoverydecoder/mcp

Free educational MCP for read-only eDiscovery news and TAR/review calculators.

Read-only MCP server for exposing database schema metadata without row data.

Example App io.github.mctx-ai/example-app

Build complete Apps with our framework — study or fork this reference implementation. Covers all @mc

Tamper-evident attestation tools for AI agents — on-chain receipts on Hedera Hashgraph mainnet.

Colter audits product pages for AI shopping agents and returns fixes, tests, and Evidence Packs.

Zendesk MCP server for Claude Code and other MCP clients

Test server com.fenetresurciel.mcp/skybridge

Test server

MCP server exposing Google Antigravity (agy CLI / Gemini): jobs, codebase analysis, file tools.

Write to Figma from any MCP client (Claude Code, Cursor). Complements the read-only official MCP.

Event-sourced ticket tracker + Jira reconciler, exposed as a Python library, CLI, and MCP server.

Docstring quality vetting for Python -- enrichment, freshness, coverage, and presence checks

vonage-documentation-mcp io.github.Vonage/vonage-documentation-mcp

MCP server for Vonage API documentation, code snippets, tutorials, and troubleshooting.

Fair-price checks, leaderboards, and Ed25519 receipt verification for x402/MPP services.

Control Google Home and Amazon Alexa speakers from Claude Desktop using natural language.

Record debug sessions, commands, failed attempts, and successful fixes in local SQLite storage.

Developer utilities MCP: base64, UUID, hash, JWT decode, cron, timestamps.