MCP Server Directory

AgentTrust XRPL io.github.eamwhite1/xrpl-referee

Escrow for AI agents on the XRP Ledger. 51 tools. Free testnet sandbox (no real XRP).

Sling CLI MCP server for data pipeline and replication management

Validate and test llguidance grammars with batch testing and documentation

XF Model Source dev.xpansion/xfms

Find the right AI model for your job. Free discovery and ranking; tests on your own key.

Strapi codebase intelligence for AI agents (not content CRUD): real UIDs, schemas, refs, refactors.

Seneschal Data io.github.Rotwang9000/seneschal-data

Monero/Zcash payment webhooks + DeFi liquidation & Ethereum builder data over MCP. Free tier; x402.

Open, local revenue-intelligence CLI for Maxio Advanced Billing - MRR waterfalls

Mowgli io.github.mowgli-ai/mowgli

Intelligent product canvas: iterate on your product's design with your coding agent, synced to code.

emem, the verifiable memory protocol for the physical world io.github.Vortx-AI/emem

Shared, verifiable memory for machines and AI. Encode where data lives; decode with any AI.

pohjola-api io.github.nousulabs-debug/pohjola-api

Agent-native API for Finnish public company data via YTJ. Pay-per-call $0.01 USDC over x402.

Static FE-BE contract-drift checker: finds frontend calls the backend does not expose. CLI + MCP.

Analyzes codebases with tree-sitter and generates AGENTS.md files for AI coding agents.

CLI tool and MCP server that tests MCP servers for spec compliance

A package manager for Agent Skills — discover, vet, and pin them across Claude Code and Codex.

Synchronize Colab notebook files through Google Drive without executing notebook code.

Nrel io.github.pipeworx-io/nrel

NREL MCP — wraps the US National Renewable Energy Laboratory developer API

Verified ICD-10-CM code lookup & validation for AI agents — official descriptions, not guesses.

The best AI image prompt library online. Latest trending prompts copy & paste for GPT image 2,

HTTP client, JWT decode, header analysis for AI agents

RunAPI MCP server for GPT Image 2: create tasks, poll status, check pricing.

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

AI pentester for PRs — finds exploitable bugs and hands your developer agent the fix.

RunAPI MCP server for Imagen 4: create tasks, poll status, check pricing.

RunAPI MCP server for Luma: query historical tasks.