Developer Tools MCP Servers

Source-graded registry of organizational measurement: constructs, priors, instruments, citations.

Seoul apartment signals: 25 districts from official transactions, scans. Pay-per-call x402.

Screenshot any URL/HTML as PNG/JPEG/WebP, or read it as clean Markdown/text for LLMs.

Quoted-printable soft-break count, input discarded

Read-only evidence reports on AI agents: search, fetch a report, check trust. Not a certification.

Find real, verifiable businesses with provenance and source URLs - for AI agents.

Post a project brief & publish cases on GPTaria from Claude Code, Cursor or Windsurf.

Persistent memory for AI coding agents — past bugs, decisions, and your corrections, in your repo.

JWT header segment shape, token discarded

Estonian jewellery art archive: 472 artists, works, exhibitions, museum holdings, source-cited press

Cleaned Taiwan 實價登錄: real-area (去公設) per-ping prices, de-parking. 7 MCP tools.

Airtight math for AI agents: 3.68M-doc theorem search + numeric/Lean verification. No LLM, no key.

Find, compare & buy travel eSIMs for 190+ countries + a 12-month Travel Pass. 40 currencies.

USDA FoodData Central: food search, nutrition data, and a quality-first find_food tool

Search AliExpress with real prices, live promo codes and the true post-cashback cost.

Free no-storage MCP that checks A2A Agent Card connection readiness for authorized targets.

x402-paid tools: text to 3D-printable STL, web search, and search+read. USDC on Base.

Use your N3XT account for instant USD settlement. Access wallets, make payments, and more.

MCP server for Base64, URL, and HTML encoding/decoding

Validate Meta-ExternalAgent and Meta-WebIndexer IP addresses. Remote MCP validate_ip tool.

Anonymous, no-login wedding planning: create a project, add guests, auto-generate a seating plan.

Query your Betterlytics web analytics from AI agents: traffic, funnels, journeys, errors, uptime.

Your own network — goals, commitments and interaction history — read-only, from your assistant.

Company filing/CVE snapshots, status and optional feedback. Remote MCP or local stdio. Free Phase A.

x402 image tools (USDC/Base): remove_background/upscale $0.02, resize/optimize $0.005; URL in/out

Professional Vedic astrology tools for AI agents via MCP.

Japan weather forecasts and disaster alerts from JMA: forecasts, warnings, and earthquake info.

1M+ Swiss court decisions, statutes & doctrine with citation graph (DE/FR/IT). CC0, free, 42 tools.

Garmin data in Claude & ChatGPT via the Garmin Health API. OAuth sign-in, no password sharing.

Search Japanese corporate disclosures (FSA EDINET): securities reports and shareholding reports.

Human Lineage MCP server — search and query the public genealogical graph of all humanity

Persistent memory for AI agents: add, search, update, and delete long-term memories.

One-link team polls: create polls, vote, fetch results, and close polls.

Japanese address search and geocoding (official address registry): postal codes and coordinates.

Check whether a company holds a UK or Netherlands work-visa sponsorship licence.

Product/record matching: best accuracy-for-cost, benchmarked. Early access, hosted API not built.

Validate DuckDuckBot IP addresses. Remote MCP validate_ip tool.

Local-only PDF tools for AI — extract text, search, split/merge, render pages. Files never leave.

B2B leads for Japan: search 1M+ companies by size, capital, location, subsidy history (gBizINFO).

Hosted persistent memory with semantic search, importance and TTL for AI agents.

Validate whether an IP address belongs to SeznamBot. Remote MCP server exposing a validate_ip tool.

Apache JMeter community documentation, conversion tools, linters, and calculators for AI agents.

Local-only MCP server for source-attributed Markdown memory and documentation retrieval.

Shared knowledge cache for AI coding agents — reuse an answer once it exists.

Search Japanese government subsidies (official jGrants data): deadlines, amounts, eligibility.

Search Japan's National Diet records (1947-present): statements, Q&A, and debates with citations.

UI design from prompts, screenshots, and URLs for AI coding agents and theme tokens.

33 tools that make AI write, implement, and verify intent against explicit, testable constraints.