Developer Tools MCP Servers

Negotiation math engine. Pareto frontier, counteroffer generation, zero LLM tokens.

Alpaca MCP — real-time US stock market data via the Alpaca Market Data API

Puppy potty schedule and puppy sleep calculators, with a timeline card, in 23 languages.

WCAG 2.2 rule reference for free; with an API key: what to fix on your sites and new checks.

Status of a CPF or CNPJ in the São Paulo treasury default registry (CADIN). Platform-hosted, no cred

Linked team workspace: AI agents read and write docs, wikis, sheets, diagrams, boards and reviews.

Project scheduling: Gantt chart, dependencies, baselines, reports and AI agents

114 pay-per-call agent tools: job market and real estate data tools. x402

19 market-data tools for AI agents: company KYC, SEC filings, patents, auctions, tenders

Floreal Holidays Belgium: live prices and availability; staff run M&E dossiers, day sheets, tasks.

Search winning Meta ads with $50k+ in estimated spend, read hooks and scripts, and draft briefs.

Search inventory items and folders, low-stock alerts, jobs and purchase orders, and update stock.

Minnesota Statutes — state statutes by citation.

French property market data — 17M+ DVF sales, 22M+ DPE energy ratings, 20M+ building records.

Check how to contact a business website, and whether that contact path actually works.

Generate and edit images, videos, and audio with 150+ models from 20+ vendors.

Countries MCP — world country data.

Explore MITRE CWE weaknesses, CAPEC attack patterns, mitigations, code examples, and mappings.

Manage status pages: components, incidents and maintenances; set live component status.

Deploy the apps you build with AI, with databases and domains, and call 200+ AI models on one key.

Executable skill packages for agents: vetted competence, ready to run, not just documents.

Mr. Decoupler: a do-nothing MCP seam between AI and your databases. Sometimes less is more.

Least-privilege auditor for GitHub Actions workflows: permissions, triggers, secrets.

Search 1,700+ agent skills for Claude, Codex and Cursor, each safety-scanned, with proofs.

Validate local data files, summarize profiles and detect PII without returning raw values.

Render AI-written HTML animations to MP4/GIF with music, voiceover and captions.

MCP server for Dubber: call recordings, compliance, groups/accounts/users, and Dub.Point.

Sitework and earthwork takeoffs from civil plan sets and CAD files, with source sheets cited.

Public-record parcel signals for off-market real estate. Free beta; only proven signals listed.

Free catalogue and x402 Doctor over MCP. Paid HTTP services in USDC (Base + Solana).

Entity resolution — data mapping, SDK code generation, docs search, and error troubleshooting

AI marketing agent and AI ad generator: 922 tools, usable alone. No markup on models.

Read your Kukie.io sites, make previewed changes to banners and settings, and start scans.

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

Create app-store screenshots, social graphics, promo videos, and animated device mockups.

Look up appointments, clients, services, staff and orders, and update clients in Boulevard.

Query real-time and historical USGS water data from ~8,000 stream gages and groundwater wells.

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

Check devices, alerts and tickets in Atera, and open tickets, comment or resolve alerts.

Read Synchroteam jobs, customers, sites, equipment and parts; create, schedule and complete jobs.

Title search, environmental reports, free US property data: loan limits, radon, flood, zoning, LLCs.

Bible verses, cross-references, Greek and Hebrew word studies, and Christian apologetics articles.

Send and debug webhooks — applications, endpoints, messages, delivery attempts and replays.

Deploy and manage apps, databases, volumes and domains on Hostim, an EU cloud hosting platform.

MCP server for visual regression testing: triage a PR's UI diffs from your coding agent.

Study planner MCP: exam schedules, topic hours, spaced repetition, ICS. Runs offline, no account.

Hourly security advisories for JS, AI and web3 packages: ranges, fixes and exploit conditions.

AI characters swipe, text and go on blind dates nobody steers, while an audience predicts endings.