Developer tool servers give your agent access to code repositories, browser automation, documentation, and the broader development ecosystem. The best ones handle authentication scoping, rate limits, and multi-client configs as standard.
Official GitHub MCP server: repo, issue, PR, action, search, and code review tools backed by the GitHub REST and GraphQL APIs. 29,469 GitHub stars and 33 commits on main in the last 30 days. Replaces the previous community implementation in modelcontextprotocol/servers.
Official Microsoft Playwright MCP server: browser automation, navigation, form filling, screenshots, and JS evaluation through the Playwright protocol. 31,942 GitHub stars, 35 commits on main in the last 30 days. Apache-2.0.
The community-driven registry service for MCP servers, maintained by the official Model Context Protocol project. Discover, list, and validate MCP servers from inside agents. 6,781 stars and 65 commits on main in the last 30 days.
Official GitHub MCP server. 29,469 stars, MIT, 33 commits on main in the last 30 days. Repo, issue, PR, action, and code search tools backed by the GitHub REST + GraphQL APIs.
Official Microsoft Playwright MCP server. Browser automation tools (navigate, click, fill, screenshot, evaluate JS, network capture) backed by Playwright. 31,942 stars, 35 commits/30d, Apache-2.0.
The community-driven registry service for MCP servers, maintained by the Model Context Protocol project. Discover, list, and validate MCP servers from inside agents. 6,781 GitHub stars and 65 commits on main in the last 30 days.
The official MCP debugging and testing tool maintained by the Model Context Protocol project. Visual inspector for MCP servers: invoke tools, inspect transports, validate protocol behaviour during development. 9,647 GitHub stars and 32 commits on main in the last 30 days.
MCP server and CLI for agent use of Xcode build tools. Build, test, run, and inspect iOS, macOS, watchOS, and visionOS projects from inside agents. 5,429 GitHub stars and 95 commits on main in the last 30 days. Maintained by Sentry.
GitLab MCP with 60+ tools covering merge requests, repositories, issues, branches, commits, files, discussions, draft notes, approvals, pipelines, and OAuth multi-user support. 54 commits on main in the last 30 days.
The leading spec-driven development workflow for AI agents. Implements the /opsx:propose → /opsx:apply → /opsx:archive cycle that scaffolds proposals, specs, design docs, and task checklists, then applies them and archives once shipped.
Vendor-official Chrome DevTools MCP server from the Chrome DevTools team at Google. Lets agents control and inspect a live Chrome browser for automation, debugging, and performance analysis.
MCP server for computer use on Windows. Click, type, screenshot, and read from the Windows desktop. 5,482 GitHub stars and 86 commits on main in the last 30 days.
Docker official MCP CLI plugin and gateway. Discover, install, and manage MCP servers via the Docker CLI. 1,381 GitHub stars and 31 commits on main in the last 30 days.
Vendor-official Terraform MCP server from HashiCorp. Integrates with the public Terraform Registry (providers, modules, policies) and HCP Terraform / Terraform Enterprise (workspace management, organisation listing, run management, private registry access).
MCP server for mobile automation and scraping (iOS, Android, Web). Drive mobile apps for testing, QA, and data extraction from inside agents. 4,811 GitHub stars and 8 commits on main in the last 30 days.
Pipedream's official MCP. Run Pipedream sources, actions, and workflows from inside agents. 184 GitHub stars and 2 commits on main in the last 30 days. Apache-2.0 (verified via LICENSE file).
BrowserStack's official MCP server. Run cross-browser tests, inspect results, and trigger app uploads from agents. 138 GitHub stars and 11 commits on main in the last 30 days.
MCP server that exposes a V8 JavaScript runtime as a tool for AI agents. Sandboxed JS execution for one-off computation, parsing, and transformation. 43 GitHub stars and 45 commits on main in the last 30 days. 0BSD license.
Official Grafana k6 MCP server for load testing: run k6 scripts, query test results, manage projects, and inspect test runs in Grafana Cloud k6. 33 GitHub stars and 7 commits on main in the last 30 days. AGPL-3.0.
Documentation quality layer that fetches current, version-specific library documentation. Resolves library IDs and returns focused doc sections so your agent works with accurate API references.
AWS Labs server for Infrastructure as Code lifecycle. Validates CloudFormation templates with cfn-lint, checks compliance via cfn-guard against AWS Guard Rules and Control Tower controls, troubleshoots failed deployments with pattern-matched analysis, searches CloudFormation and CDK documentation.
Community-built Unity Editor MCP bridge. Combines a Unity package (runs inside the editor) with a Node.js MCP server (translates between MCP clients and the editor) to give agents access to scene, GameObject, and component operations.
Niche dev-tools MCP for RenderDoc: GPU frame analysis and graphics-pipeline debugging from inside an AI assistant. 175 GitHub stars and 27 commits on main in the last 30 days.
Vendor-built Browserbase MCP server combining cloud browser automation (Browserbase) with natural-language-to-action mapping (Stagehand). 6 tools: start, end, navigate, act, observe, extract. Available as a hosted endpoint at https://mcp.browserbase.com/mcp (LLM costs covered for Gemini) or self-hostable via @browserbasehq/mcp.
Claude Code as a one-shot MCP server: lets one agent invoke Claude Code as a tool inside another agent context. 1,272 GitHub stars and 1 commit on main in the last 30 days.
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The navigation guide to MCP server discovery across 12,000+ servers. Compare PulseMCP, Smithery, Glama, MCP.so, the official registry, and every major index to find the right one for your workflow.
The 10 MCP servers that matter most for automation builders. Hands-on evaluation of each server's capabilities, setup friction, and production readiness.
We score a new dev tools MCP the week it ships. Get the update, plus any re-scores when a server changes enough to move its rating. One email per week maximum.
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