Developer Tools MCP Servers

Drive the German tax portal ELSTER via Puppeteer: submit UStVA, prepare EUER/ESt, sync inbox.

Turns your GitHub activity into a daily standup — commits, PRs, reviews & issues.

34 production API tools over one hosted MCP endpoint.

Search classified listings on Malinica, a Serbian free serbian classifieds marketplace.

Human-in-the-loop approval for agent actions, with verifiable action-bound receipts.

Build, preview and publish full-stack web apps with TakoCode's hosted coding agent.

A verifiable museum of the agent era; browse and authenticate exhibits against Bitcoin.

Hosted MCP server: convert PDFs to clean, LLM-ready Markdown with tables, formulas and OCR.

x402-paid agent tools: 18 over HTTP, 14 over stdio. USDC per call, no API key.

Validate ClaudeBot and Claude-SearchBot IP addresses. Remote MCP validate_ip tool.

City of Lakeland GIS — Lakeland, Florida open geospatial data (ArcGIS).

City of Harrisburg GIS — Harrisburg, Pennsylvania open geospatial data (ArcGIS).

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

Scan a website for vulnerabilities: OWASP Top 10, CVEs, SSL, headers - with plain-English fixes

Analyze web performance and get optimization insights from GTmetrix, directly in your AI workflow.

Read-only A2Me family context tools for AI assistants (members, dates, activity, relationships)

Institutional AI market intelligence: squeeze scanner, options flow, council verdicts. x402 RLUSD.

LLM and GPU rental prices: model price lookup, GPU listings, cheapest-GPU search, price history

Unified earthquake data from 20 global seismic agencies, with cross-agency report reconciliation.

City of Tucson GIS — Tucson, Arizona open geospatial data (ArcGIS).

Drop-in spend governance + cross-agent dedup proxy for AI agent fleets, with x402 settlement.

City of Fairfield GIS — Fairfield, California open geospatial data (ArcGIS).

Wearable tech roadmaps: Apple, Meta, Samsung, Google, Oura. Claims, timelines, analysis.

Israeli tax research: source-grounded answers with official citations, in Hebrew.

City of Dublin GIS — Dublin, Ohio open geospatial data (ArcGIS).

News, web search, mail, markets, weather, places, files, calendar, contacts. 67 tools, one endpoint.

Town of Oro Valley GIS — Oro Valley, Arizona open geospatial data (ArcGIS).

City of Greenwood GIS — Greenwood, Indiana open geospatial data (ArcGIS).

Lake County GIS — Lake County, Illinois open geospatial data (ArcGIS).

Live Kalshi + Polymarket prediction-market data and cross-venue arbitrage spreads, one schema.

City of Sacramento GIS — Sacramento, California open geospatial data (ArcGIS).

Live EU funding data in your AI: grant calls, programmes, consortium partners, VCs, incubators.

City of Kingston GIS — Kingston, Ontario (Canada) open geospatial data (ArcGIS).

City of New Orleans GIS — New Orleans, Louisiana open geospatial data (ArcGIS).

Local semantic search over your Obsidian vault - always fresh, never reindex.

Interaction profile registry for AI agents. Log interactions, query behavioral lenses.

Payment rails for AI agents — escrow, settlement, discovery, and disputes from any context window.

Scans schema metadata to classify PHI, score HIPAA readiness, and generate compliant migrations.

Lancaster County GIS — Lancaster County, Pennsylvania open geospatial data (ArcGIS).

Guesty property-management MCP. Read-only: reservations, listings, calendar, guests, revenue.

3rd Generation Testing (3TG) — generate deterministic test suites from Markdown spec tables via MCP.

Check if your MCP server is ready to publish on the MCP Registry, Smithery, or npm.

City of Kinston GIS — Kinston, North Carolina open geospatial data (ArcGIS).

City of Seattle GIS — Seattle, Washington open geospatial data (ArcGIS).

Validate Amazonbot and Amzn-SearchBot IP addresses. Remote MCP validate_ip tool.

Adams County GIS — Adams County, Colorado open geospatial data (ArcGIS).

IP Lookup MCP — ip-api.com (free, no auth for basic usage)

Checks whether each cited source supports the claim it backs. Blinded human-first, local-first.