Developer Tools MCP Servers

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JSONPad documentation

io.jsonpadOfficial publisher

Verified

JSONPad documentation server that lets an assistant search and read JSONPad docs, API, SDK and CLI references, and validate write rules, flows and sync schemas.

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Compose Preview Catalogs

Published by GitHub account yschimke

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Hosted MCP endpoint that lets an assistant browse, inspect and render Jetpack Compose Material 3 and Wear component catalogs and previews.

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NUX MG-30

Published by GitHub account voronkovd

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Controls a NUX MG-30 guitar processor over USB MIDI, letting an assistant pick amps and effects, turn knobs, and save or back up presets.

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NeoSQL MCP

Published by GitHub account unvus

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Local stdio MCP server that exposes NeoSQL Desktop's schema, SQL, ERD and codegen tools for PostgreSQL, MySQL, Oracle, SQLite and more to MCP hosts.

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Codex Subagent

Published by GitHub account parisbs

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Lets an assistant hand coding tasks to the local OpenAI Codex CLI as a subagent, with model, reasoning effort and sandbox chosen per call.

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VibeRaven

Published by GitHub account ohad6k

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Hosted VibeRaven MCP server that reviews Supabase migrations for RLS and grant gaps and returns published guidance on Supabase, Vercel and Stripe launch issues.

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Plate Website Source

Published by GitHub account ohad6k

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Read-only catalog of free Plate website source projects that a coding agent can browse and adapt.

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Osnova

Published by GitHub account getdomovoi

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Osnova indexes a repository into a deterministic tree-sitter symbol and call graph and serves it over MCP, so an assistant can look up definitions, callers…

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Forest Factory

Published by GitHub account filipbolcek-ctrl

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Paid x402 remote server offering small preflight utilities: API discovery, domain/package/release checks, text encoding, and crypto market snapshots.

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mcp-debugger

Published by GitHub account debugmcp

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Headless step-through debugger over MCP: lets an assistant set breakpoints, step, inspect variables and evaluate expressions in ten languages.

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GitHub Repo Change Intelligence

Published by GitHub account contentforge-press

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Tracks public GitHub repositories, offering a free snapshot plus paid release, star and issue intelligence paid in USDC via x402.

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ClaimGate starter kit - set up a publish gate

Published by GitHub account caseone115

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ClaimGate starter kit: sets up a local publish gate that checks AI-assisted marketing copy against your evidence, policy and AI-disclosure rules.

C

ClassCAD

Published by GitHub account awv-informatik

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Build and verify CAD parts and assemblies with the ClassCAD engine, locally, no server needed.

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Atomicreps

Published by GitHub account atomicreps

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Atomicreps is a retrieval-practice MCP server that asks your coding agent one short multiple-choice question about the change it just made, then grades your own

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ohmyho.st

Published by GitHub account amerged-org

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Local stdio MCP server that lets a coding agent deploy and operate ohmyho.st hosting: apps, Postgres, domains, mail, usage and budgets.

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Seristack

Published by GitHub account TechXploreLabs

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Seristack turns YAML-defined shell command stacks into MCP tools, letting an assistant discover and run your operational workflows.

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mcp-usage

Published by GitHub account Rixtayz

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Read-only MCP server and CLI that audits local Claude Code transcripts to show which connected MCP servers are actually used, idle, failing, or awaiting…

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Domain Availability Checker: Bulk WHOIS Lookup & Domain Age

Published by GitHub account Nero-Engine

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Remote Apify-hosted MCP server that lets an assistant check whether domain names are available or taken, with registration date, expiry, age and registrar.

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Lumière PayCheck

Published by GitHub account Book0fEli

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Checks x402 payment endpoints before an AI agent pays them, returning a trust grade, verdict and allow/deny decision for a specific payment.

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writ

Published by GitHub account AvenueDAdmin

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Writ gate MCP server that lets an AI agent request ALLOW, DENY or STEP_UP approval before a consequential write, with audit receipts.

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Arc UI

dev.uiarcOfficial publisher

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Arc UI's remote MCP server lets an assistant search Arc's React component and block library, read docs and props, and fetch install commands or source.

A remote MCP server that lets an assistant search, list and read the past.dev developer documentation for its Memory API and MCP server.

Doorman screens website form submissions for spam, pitches and fraud, and lets an assistant set up forms, test them and review held submissions.

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atoma

run.atomaOfficial publisher

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Remote atoma MCP endpoint that lets an assistant create projects, start and follow AI-agent build runs, and read their traces, costs and results.