Developer Tools MCP Servers

Local memory for coding agents; a rule with a proof can refuse. Full install with hooks: the repo.

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

Meaning of HTTP 451.

Every Flowie Exchange API operation as a tool: send, receive and validate e-invoices.

Source-linked SEC 13F research, quality checks, watchlists and audit trails for agents.

Search foods, compare nutrients, and look up the full USDA FoodData Central database.

Countries, timezones, elements, constants, HTTP status codes, unit conversion, and MIME type lookup.

Search SEC EDGAR filings, financial statements, and company data.

Search @imqueue docs and scaffold typed services & clients from your AI coding agent.

Google Trends, Google News, Hacker News, Substack posts and podcasts for research and monitoring.

CRAFT Content: 8 B2B content tools by Helix GTM Consulting

USGS Volcano MCP — Volcano Hazards Program HANS-public feed (no auth)

PomBase MCP — the fission yeast (Schizosaccharomyces pombe) model-organism database.

Find and check free .si names (600,000+ indexed), and look up DNS and WHOIS for any domain.

NSF Awards MCP — National Science Foundation award database (free, no auth)

Ask cited questions across sets of YouTube videos, and get their transcripts. API key or x402 USDC.

Read and operate a Comunio fantasy football team: squad, market, offers, lineup

Sourced Spanish guides: IELTS/TOEFL/CELPIP, work/study in Canada/US, courses, travel, wellness

List compression profiles, estimate gains, and compress images, PDFs, and Office files.

Voice-led, FSRS-scheduled flashcards from YouTube, PDFs, web, or text. Auto-graded quizzes.

Search furnished Berlin housing, compare listings, and manage favorites and saved-search alerts.

If-Modified-Since HTTP-date, value discarded

Search Help Scout conversations, customers, organizations, threads, and inboxes with AI assistants

Hungarian company search by name, tax and registration number, with officers and shareholders.

接待に、会食に。創業60年以上の、銀座 の 一日一組 の 完全個室 の老舗 ふぐ料理店 、高級和食店 、ぎんざ姿 でございます。（fugusugata.jp の内容を検索して答える。ヨミタス経由）

European Nucleotide Archive (ENA) — EMBL-EBI's public record of raw sequencing runs, assemblies…

Coin smart-money scores, wallet reputation, signal feeds, and KOL leaderboards.

AI news, model pricing, service status, and machine-payable premium tools. AFTA-certified.

Where informed investors disagree, the evidence each side stands on, and the date that settles it.

An equipment maintenance schedule and log: service entries, costs, and what is due or overdue.

Live used car listings from China (Dongchedi, Che168) in English, with inspection reports.

Add OpenTelemetry tracing to Python AI agents. Supports LangGraph, LlamaIndex, CrewAI, OpenAI SDK.

Verify an isolated WPE WebKit runtime with native-input, DOM, PNG, and cleanup evidence.

A real clock for AI agents: current time, timezone conversion, and DST facts from the IANA tzdb.

Financial data, fiscal health scores, and economic indicators for 20,000+ U.S. municipalities.

App Store + Google Play reviews with per-app complaint summary for agents.

DMARC analytics for AI assistants: SPF/DKIM, compliance, anomalies, p=reject readiness, onboarding.

MITRE ATT&CK MCP — STIX bundles from github.com/mitre/cti.

Real Estate Japan MCP — actual residential/commercial transaction prices and

Regrid MCP — wraps the Regrid Parcel API v2 (regrid.com)

Access ocean data from 80+ ERDDAP servers worldwide

RFC Editor MCP.

CHAS / SafeContractor / Constructionline pre-qualification preparation. Health & safety, environ...

Firmfold: company enrichment by domain/email/name: logo, tech, contacts, jobs, firmographics.

One-call briefings for AI agents: dependency risk (KEV/EPSS), SEC companies, domains, US places.

us-elections -- U.S. election results by state, district, county and precinct (fleet #2952…

Talmud a few lines a day, explained, with today's Daf Yomi, search and tractates in English.

Mailvett: validate emails. MX, provider, disposable/role/free flags, typo fix, verdict.