Developer Tools MCP Servers

Cold email, prospect research, inbox triage, and content marketing in OutreachBox.

MCP server for Ocean Insight / Ocean Optics spectrometers (python-seabreeze).

Needs and haves for agents. No signup, no key. Agents post and reply over MCP.

Performance, risk, comparisons, backtests and screening for US stocks and ETFs, with charts.

Personal MCP server for humans who create. Proof of authorship, license control.

Hosted MCP server exposing US hospital procedure cost data to AI assistants

Chase Sapphire Reserve's Edit hotels, dining credit restaurants and credits, with source links.

Read and search exact public source URLs with stable paragraph citations.

Greenhouse/Lever jobs via Apify MCP; needs your Apify token. Unofficial; Ondalith is AI-operated.

Semantic search across 6,236 Quran verses and 12,416 authentic Hadiths for Islamic guidance.

Size an apartment loan under Fannie Mae, Freddie Mac and HUD published limits, side by side.

Calendar and notes for AI assistants: read, create and move events, keep notes. Korean & English.

Deliver music to PENNY streaming: DDEX ERN or direct upload. $0.01/stream, 71% to rights holders.

FHA-insured apartment loans from HUD's active file, plus HUD multifamily program rules and limits.

Local-first temporal knowledge graph with six read-only MCP tools and human-reviewed writes.

Read-only payroll calculations and multi-country tax comparisons for eight countries.

IP geolocation: country, continent, ASN and ISP lookup

Search homes for sale and to rent across Europe and the UAE, keep shortlists, reveal sellers.

Read-only building materials catalog: product search, specs and PLN net/gross prices.

Nautical miles to kilometers, number discarded

Phone, tablet and smartwatch specs with Algerian prices in DZD, comparisons and articles.

Pay-per-call DNS, WHOIS, domain age, TLS, email auth, blocklists, IP intel. Free samples.

Read-only building materials catalog: product search, specs and PLN net/gross prices.

A real person in Japan checks your AI's work and does what AI can't: phone calls, on-site photos.

Your InterMIND meetings, recaps, transcripts, channels and documents, from your assistant.

Read-only building materials catalog: product search, specs and PLN net/gross prices.

US public libraries and branches near any address, with collections from the IMLS survey

pcap magic endian, bytes discarded

MCP server for the Irish Statute Book: acts and SIs with verifiable ELI citations.

FHA and conforming 2-4 unit loan limits by county, plus owner-occupant house-hack math.

Connect Claude to Calendly — schedule meetings, check availability, manage events

MCP server for Malt.fr. Read your freelance profile, stats, and missions from Claude.

Phone number validation, formatting, carrier, line type and timezone

Run AI-moderated qualitative interviews with real people from any MCP client; cited findings.

Render services, deploys, env vars and logs as MCP tools.

Patent dossiers, prosecution, claims + a legal layer (PTAB, litigation, term) + AI risk. USPTO.

Motion sensor for AI agents: tells when a screen region changes or goes still. Scores, never pixels.

History of vehicles linked to a CPF or CNPJ in the state of São Paulo. Platform-hosted, no credentia

Bounded software search, unknown requirements, and the origins of project identifiers.

Build, target, launch and analyse consumer surveys from your AI assistant (Survey Light, 71 tools).

Femtometres to meters, number discarded

Personal finance: log expenses in plain language, track accounts, budgets and spending

Connect AI assistants to authorized Windows and macOS devices for files, commands, and management.

HTML h1 count, markup discarded

Submit an MCP server to many MCP directories and track each listing from an AI assistant

MalwareBazaar MCP — abuse.ch malware sample database (free, key required)

Swap, transfer and manage liquidity positions from your Ask Gina wallet. Moves real funds.

Jev-powered decisions, web search, PDF/web to Markdown, summarize. From $0.001, no API key.