Developer Tools MCP servers

Read Localazy projects, files, keys and glossary; submit translations, import keys, AI suggestions.

npm package trends and weekly downloads over time. Free key at trendsmcp.ai

App Store and Play downloads and charts over time, Android uses bundle ID. Free key at trendsmcp.ai

Audits any remote agent or MCP URL for JSON-RPC compliance, latency SLA, OpenAPI schema, and HTTP.

Generates and validates configs for ApexCharts charts, grid, gantt, tree, sankey, stock and maps.

Bitbybit 3D parametric CAD API, version-exact, for coding agents: search, describe, examples, guide

AI users run real tasks on your live site and show where they get stuck, with a replay of every step

Give your agent a real design system: tokens, measured WCAG contrast, and rules to follow.

Offline Protocol packages, workflows and integration guides over HTTPS. Read-only.

Deploy static websites, landing pages, and prototypes instantly. Free, no account needed.

Configure cross-platform and web3 games on iDos Games: live config, tokens, NFTs, AI assets, builds.

Goldsky docs: Feeds wallet APIs, prebuilt onchain datasets, Turbo, Subgraphs, Edge RPC, 150+ chains.

Codex reset tracker: usage-limit reset announcements from @thsottiaux on X. Read-only, no key.

npm package download trends and adoption growth over time. Free key at trendsapi.ai

Crawls any documentation or SaaS site and compiles a standards-compliant /llms.txt manifest and J.

Evaluates any GitHub repository for license risk, maintenance velocity, stars/forks, and supply-c.

Design your mobile app UI with AI, then have your coding agent build the real app from it.

Spec-driven development MCP server: 8 phases, bi-directional traceability, 7 quality gates.

Assign Linear, Jira or GitHub issues to an AI coding agent team that plans, builds, reviews, tests.

OODS Foundry is an object-oriented design system that extends the one you already have.

Write Polyxd UI documents, check them, and show them as real screens in any design-system pack.

Traffic Parrot simulates APIs and messaging. Request or withdraw a trial, read docs, send feedback.

What Claude, ChatGPT, Cursor and the MCP Registry require to list an MCP connector or plugin.

The bitHuman docs over MCP: two read-only tools, search and fetch; it needs no account and no key.

Publish, play-test and fix HTML5 browser games from your AI assistant. Own address, 70% ad share.

Image header probing, bbox conversion, resize plans and colour maths. 4 of 6 free.

Lint a SKILL.md for frontmatter, structure, secrets and size. All 6 tools free.

Risk-scan a diff, flag AI-generated-code tells, find secrets. 5 of 7 tools need no account.