Developer Tools MCP Servers

iNaturalist MCP — citizen-science species observations (free, no auth for read-only)

EVM gas optimizer refactoring Solidity code into efficient Yul assembler.

Generate and manage Storydoc presentations from any MCP-compatible client.

Routes AI tasks to dynamic LLM-generated skills via an orbital classifier.

Execute bash commands with background job support.

Create and manage scheduled, guarded AI agent jobs with built-in quality control and 900+ connectors

Japan business regulations, compliance, travel, protocols, memory — 10 knowledge domains, 23 tools.

Have I Been Pwned MCP

Operational memory for AI agents: code graph, session memory & guardrails. No context rot.

Datasets for founders: directories, newsletters, and agencies, with metrics attached.

Decode video ads, load brand intelligence, generate ad scripts.

An MCP server for generating images from HTML & CSS or screenshots of URLs using htmlcsstoimage.com.

Read-only MCP access to a documented IT fleet: state, changes, posture. 15 tools.

OpenRouter Models MCP.

MCP server for the Open Telekom Cloud Price Calculator API (eu-de, eu-nl, eu-ch2).

OWID MCP — Our World in Data chart/indicator access (free, no auth)

Headless web analytics for AI agents. 42 MCP tools for traffic, events, funnels.

Free IPv4 lookups against a distributed attacker-observation corpus.

Brand-intelligence MCP: momentum scoring, signal evidence, and competitive context for agents.

An MCP server connecting Claude to the Review Metric 15-agent scientific peer review pipeline.

Read-only access to Kaizan client data.

Katalon TestOps Model Context Protocol (MCP) server

Sales research and prep tools for B2B reps. Prospect briefs, angles, citations.

Web3 social sentiment aggregator analyzing crypto trends.

Publish complete HTML artifacts and return a public share URL.

42 local SEO tools for AI assistants. SERP tracking, reviews, keywords, audits, and more.

MCP server for SpamTitan email security — quarantine, allow/block lists, and policy management.

Generate 40+ diagram types from text; render locally to SVG/PNG, open in the Diagrammo editor

MCP server for managing PulseMCP's CMS — newsletter and MCP server directory.

MCP server for Alibaba Cloud Domain - check availability, query details, list domains, create orders

Reliable CSV parsing + generation. Handles quotes, embedded commas, BOMs, CRLF.

Research graph MCP for hypotheses, goals, runs, source quality, audits, and generated maps.

Give AI agents a Bitcoin wallet with Lightning Network payments and L402 support.

Bilingual financial news sentiment (English + Traditional Chinese) scored by Claude.

Negative results intelligence for drug discovery — query measured failures via MCP.

Trustworthy JS regex testing. Real offsets, named groups, safe against zero-width loops.

GLEIF MCP — Global Legal Entity Identifier Foundation (free, no auth)

Tracker / Sigil / Cross-lens — every TunnelMind Data API operation as one MCP surface.

Cloud-hosted MCP server for URnetwork VPN and Proxy

Still WiP

RDAP — Registration Data Access Protocol (domains, IPs, ASNs) via IANA bootstrap

Pixel-perfect HTML/CSS to PNG/JPG/WebP for AI agents — inline image or 24h hosted URL.

Packagist MCP — PHP / Composer package registry

MCP server for Ghostfolio portfolio management and financial data access

Lightweight MCP for infinite agent memory. Any agent, any session, anytime.

Scrum sprint optimizer and automated project manager.

Pre-computed Etsy market data for AI agents: Blue Ocean niche scores, best sellers, top shops.

NIH RePORTER MCP — every NIH-funded research project (free, no auth)