Development MCP Servers

Make browser games by chatting with your AI assistant: it writes a web game, arcadegnt builds, hosts and playtests it on desktop and phone. Share with friends or submit to our arcade for an official listing and ranking!

PHION helps agents discover, compare and verify external capabilities before use.

Annotated screenshots for AI agents: capture a web page or desktop window, then draw numbered steps, arrows, boxes, labels and solid redaction placed where they cover the least content. Local stdio server, no API key.

Persistent Linux workspaces for AI agents, with interactive terminals, input-wait events, file transfers, and HTTPS previews.

Web QA for AI agents: real-browser scans with evidence-backed findings

AI game maker: build, run, screenshot and play-test Godot and retro console games in a live project

Paste an OpenAPI 3.0 or 3.1 schema and download a Cloudflare Worker MCP server. Writes off by default, secret-path or API-key auth. Tested with MCP Inspector.

Open-source local macOS control server for AI agents: background Safari/Chrome automation, native apps, files, shell, and delegated agents.

Headless website platform by Berger+Team (Bolzano, South Tyrol) for SMEs: trilingual (DE/IT/EN), cookieless, with structured data, llms.txt and an MCP interface for managing website content via AI. Endpoint: https://btlabs.dev/api/mcp (requires auth).

Lets AI agents drive a real terminal: type, press keys, click, read the screen, take screenshots.

MCP server exposing FRC NetworkTables (NT4) to AI agents. Reads/writes/monitors a robot's network tables.

Free local cloud environment for AI agents to build, test and debug Google Cloud apps. CLI 0.1.9+. Website: https://local.cloud/

Pay-per-use API toolbox for AI builders over MCP: scheduling, page extraction, PDFs, images, QR codes and short links. One API key, from $0.01 a call. npx omniyond-mcp.

Find verified work emails, phone numbers and company data without leaving the conversation. RocketReach searches 700M+ professional profiles and 60M companies powering sales prospecting, lead generation, recruiting, enrichment, and research.

Read npm package loading evidence across pinned Node.js, Bun and Deno versions, with coverage, failures and permanent report links.

Verax: the accountable agent body. Gate, decision record, receipt, reconciliation. Apache-2.0.

Local MCP server for Avalonia, WPF and MAUI UI automation, control inspection, screenshots and testing.

Secure MCP server framework with 22 security layers and ML threat detection. Zero dependencies.

Judgment layer for the agent-bounty economy. Aggregates agent-solvable bounties across Opire, BountyHub, ClawHunt, Algora and GitHub, then scores each for solvability, freshness and competition - served as a ranked, pay-per-event MCP feed. Source: https://github.com/PanStories/bountyradar-mcp

Codex usage-limit reset announcements from @thsottiaux on X, with post links and times. Read-only, no key.

Let AI agents use secrets without seeing them: inject a secret into one command and redact it from the output. OS keyring, Vault, AWS, Google, Azure, 1Password, Bitwarden.

Gives your AI agent a real Android phone (ERIUS PHONE): read the screen, tap, type, launch and install apps, read crash logs.

Live App Store and Google Play data for AI agents: app discovery, revenue and download estimates, ASO keywords, and reviews.

Check if other agents report a site, skill or MCP server failing, see its other access paths, and report failures.

Free, open-source SEO crawler with 250 checks and an MCP server for AI coding agents.

MCP server for 9Router — exposes web search, web fetch, TTS, and other capabilities as native tools, eliminating the per-call overhead of skill-file-based approaches (re-reading instructions, manual formatting, retry-on-error) in favor of structured tool calls over stdio.

Free read-only engineering calculators for DevOps, SRE, Kubernetes, cloud cost and infrastructure decisions

Connect coding agents to your team’s documents, decisions, and code context in Specify. Search and read workspace documentation through a remote MCP server, with read-only access by default and optional permission to create or edit documents.

Version-stamped API knowledge for Mobiscroll UI — scheduler, event calendar, timeline and pickers — plus the Connect calendar API. 14 read-only tools.

Lets coding agents share your local dev server or upload a built site at a public https link, with an optional password, and hand the link back.