MCP Server Directory

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Paper Lantern ai.paperlantern/code

Research intelligence for AI coding agents. 2M+ CS papers with evidence and tradeoffs.

aribot-mcp com.ayurak/aribot-mcp

Threat modeling, code, API & cloud security, shadow-AI & compliance governance.

Buildability™ — Property Zoning & Buildability™ Intelligence ai.readypermit/geo

Zoning, ADU eligibility, flood zone, setbacks, and buildability intelligence for U.S. parcels.

calculators com.calcfleet/calculators

Tested financial & practical calculators as free, no-auth MCP tools for AI agents.

Persistent memory for Claude Code. Search, recall, and re-inject context from any session.

agentmailrooms-mcp com.clauxel.agentmailrooms/agentmailrooms-mcp

A paid remote MCP for OpenAI Codex agent coordination MCP, built to return verdicts, receipts, usage

agentskillupdategate-mcp com.clauxel.agentskillupdategate/agentskillupdategate-mcp

Paid remote MCP for Claude Code skill update gate MCP, structured receipts, audit logs, and reviewer

grader ai.tessen/grader

Honest A-F grades for trading strategies, backtested on real out-of-sample data. No hype.

bumblebeereceipt-mcp com.clauxel.bumblebeereceipt/bumblebeereceipt-mcp

A paid remote MCP for developer endpoint scanner MCP, built to return verdicts, receipts, usage logs

byterovermemory-mcp com.clauxel.byterovermemory/byterovermemory-mcp

A paid remote MCP for OpenAI Codex memory MCP, built to return verdicts, receipts, usage logs, and a

Advanced codebase indexing and semantic search MCP server

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

xhost com.xhostd/mcp

Agent-first hosting: create apps, commit code, deploy, get HTTPS URLs. OAuth sign-in, no tokens.

Pharaoh so.pharaoh/pharaoh

Codebase knowledge graph — architectural awareness for AI coding agents via MCP

developer-tools net.programmes/developer-tools

65+ free in-browser developer tools (JSON, Base64, JWT, hash, regex…) callable over MCP.

MCP server for SalesBuildr — quoting and sales workflows for MSPs.

Model Context Protocol (MCP) server for TestRail platform, enabling LLMs to manage test artifacts.

Deterministic, verifiable orchestration for CLI coding agents. 40+ adapters, air-gap friendly.

DebugBundle MCP: runtime error reporting, incident response, health checks, and product analytics.

Design memory for coding agents: SwiftUI scaffolds, Figma tokens, shadcn codegen, and UI audits.

Borough NYC Real Estate API app.qwady/borough

Search NYC rentals and sales, property details, building data, and market analytics

flatten-mcp io.github.shayaShav/flatten-mcp

Flatten a Claude Code or OpenAI Codex CLI session losslessly: digested bulk out, every word kept.

A free native MCP server for running and debugging Linux containers with Apple's container tool.