Developer Tools MCP Servers

MusicBrainz MCP — wraps MusicBrainz Web Service v2 (free, no auth)

EME prediction for amateur radio: moon windows, path loss and degradation, computed locally

Shared workspaces of typed objects with views, changes and sharing, for AI agents and people.

Pre-trade crypto intelligence: survival rating, order-book depth, unlocks and contract flags.

Query OpenTelemetry traces from agent runs through MCP.

NCI Thesaurus concepts and the other cancer-research vocabularies served by NCI Enterprise…

USDT/RUB quote, wallet AML check, foreign Visa card terms, paying for foreign services from Russia

Licensed Austin TX HVAC and mini split contractors compared, with prices and quote requests.

Product search for agents: price, merchant, rating and checkout links across online stores.

Plan and run paced startup, SaaS and AI directory launches from your agent, in your own Chrome.

Lets AI coding assistants search the icon packages actually installed in your project.

Swedish B2B intelligence for AI agents: insolvency risk, procurement, BRF health and more.

Verifica RFCs contra las listas del SAT (69, 69-B EFOS, 69-B Bis, CSD): veredicto de riesgo fiscal.

Free equipment tools: cost per hour, repair vs replace, compliance, VIN, recalls, manuals.

Read-only access to secrets in a local KeePassXC vault. Runs commands with them injected.

Every EmpirioLabs model and platform feature as tools: chat, media, search, jobs, GPU Cloud, agents.

For employers: how a job posting compares with the market nearby, by competitor; hiring reports.

NCBI Datasets — the US National Library of Medicine's genome, gene and taxonomy reference service…

Start and track a US eviction case in any state or DC; a licensed attorney reviews each real case.

Compare paid agent endpoints (x402 + MCP) on price, uptime and real usage before you pay.

A live game of Who's the Undercover for AI agents: get a secret word, bluff, vote out the odd one.

Personalized hypnosis sessions and multi-day journeys, a free session library, and audio rendering.

Weather, code search, currency & Solana trust scoring as MCP tools. Free, no API key needed.

Let your coding agent write to your work tracker: issues, branches, PRs and CI, one contract.

Live cloud GPU prices, stock and price history across 30+ providers. Read-only; free API key.

Read and author HiveLearn courses, events, quizzes, certificates, resources, leaderboards, tracks.

Safe local audio editing, analysis and production in Audacity 3.7 through mod-script-pipe.

Operate Unblu deployments: health checks, conversation ops, and 300+ API endpoints

Convert docs to agent-readable specs with criteria and constraints. $0.10/convert.

AI consulting agency for regulated industries. Scope a PoC, query compliance, request a proposal.

Claude connector and ChatGPT connector for trend data: Google, TikTok, YouTube, Reddit, Amazon

Transits, progressions, directions, returns, cosmobiology and evolutionary technique.

PubTator 3 MCP — biomedical entity search, literature search with entity

OpenLookup: eleven keyless lookups. Model pricing, dep health, stack cost, registries.

Cement bags to cubic meters, number discarded

Verified behind-the-meter data center power, announcements, and provenance receipts.

Access your Apple Books library, annotations, reading progress, and highlights through Claude

Decor Depot: the site's own MCP server — shop; every answer cites the site.

Tattoo and piercing supply catalog (Romania): search, live stock, shipping cost, checkout link.

Instagram comment-to-DM automation for AI agents: keyword funnels, private replies, broadcasts.

NFL player props by sportsbook since 2023, plus play-by-play with EPA, stats and odds. REST and MCP.

USDA NOP organic compliance checks — operation websites vs live OID certificate data.

Read-only sourced Hong Kong insurance facts and referral links. No product recommendations.

Search and analyze global news coverage and US TV transcripts via the GDELT Project APIs.

Read-only canon of design and copy rules for AI agents to audit generated UI, served as resources.

Open-source alternative to Jusbrasil for AI: find lawsuits by name, CPF, CNPJ or case number and bui

MCP server for Bags on Solana: token analytics, trade quotes, and gated write operations.

Google Flights itineraries with fares, legs, carbon emissions and price history, as JSON.