Developer Tools MCP Servers

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DefiLlama MCP — DeFi analytics from DefiLlama (free, no auth)

Test and compare prompts across any AI provider. Bring your own keys.

could-have-been-email MCP — wraps StupidAPIs (requires X-API-Key)

Shared knowledge base for AI agents. Semantic search across agents, no setup required — just a URL.

Behavioral science tools for commerce — personas, nudges, preferences, friction audits.

Hash-verified file editing MCP server with token efficiency hook for AI coding agents.

Agent-first domain registration and DNS management, paid with USDC via x402.

DEV.to MCP — wraps the DEV Community API (free, no auth for public reads)

Crates.io MCP — wraps the crates.io REST API v1 (free, no auth)

Live codebase intelligence for AI agents: conventions, blast radius, import graphs, git insights.

MCP server for Rachio sprinkler controllers — schedules, zones, and live watering control

CFPB MCP — Consumer Financial Protection Bureau complaint database (free, no auth)

Security scanner and graph for agentic infrastructure — agents, MCP, runtime, and blast radius.

Query real-time US data and AI-analyzed attributes across the country.

Write better IR reports, improve security writing, and plan cybersecurity product strategy.

A test MCP server for task management

Screen transaction parties for export compliance: sanctions, technology classification, diversion...

chaos-index MCP — wraps StupidAPIs (requires X-API-Key)

EPA ECHO MCP — wraps EPA ECHO Web Services (free, no auth)

EIA MCP — US Energy Information Administration API v2

Git diff and markdown review with a web UI plus MCP stdio for AI agents.

Search, compare, and install self-evolving AI Agent Genes ranked by Arena fitness

Self-custodial crypto + DeFi MCP for AI agents. Ledger-signed. EVM, TRON, Solana, BTC, LTC.

TradeRouter.ai MCP Server — Solana swap & limit order engine.

FDIC MCP — FDIC BankFind Suite API (free, no auth)

AI transcription from URLs. 99% accuracy, speaker diarization, 98+ languages.

MCP server to integrate with Juniper Routing Director

Official Laravel MCP server for AI-powered PHP development

AI Catholic formation — spiritual direction, saints, scripture, and semantic search.

B2B lead generation — prospect discovery, ICP scoring, outreach, and pipeline management.

Manage actions, issues, risks, projects, and decisions in Selis.

Share prompts and context with your team and discover community collections.

Full email marketing platform: inbox, campaigns, contacts, templates, and analytics via MCP.

Execution engine for AI agents. 412 modules: browser, file, Docker, data, crypto.

27 tools for blockchain data and live chain queries

GitHub Private MCP Pack — access private repos, org data via OAuth.

Amazon catalog auditing tool. 13 quality checks for your listings.

Check website AI-readiness: Schema.org, llms.txt, E-E-A-T, robots.txt. Works in Cursor & Claude.

GitLab MCP — wraps the GitLab REST API v4 (BYO API key)

Control Home Assistant lights and scenes. Lights only by design for safety.

Google Calendar MCP Pack

Privacy-preserving agent settlement for prediction markets via blind signatures.

RSS/Atom feed reader MCP server with SQLite backend

Google Docs MCP Pack — read, create, and edit Google Docs via OAuth.

Universal data connector for CSV, Postgres, and REST APIs via DuckDB

Formula 1 2026 schedule MCP — 24 races, drivers, constructors, sessions, circuits, race times.

Greenhouse MCP Pack — wraps the Greenhouse Harvest API v1