Developer Tools MCP Servers

34-tool Caelus MCP for validated astrology: charts, transits, Vedic, facts, sky view, synthetic.

Search animals in eight languages with habitats, countries, photos and source credits.

Real estate deal analysis from chat: rental underwriting, buy-box matching, deal library, docs.

ITU zones as the IARU publishes them for amateur use, in ADIF's DXCC and subdivision codes

Send real faxes from AI assistants. Pay per fax ($1 + $0.25/page), no account or API key.

Agora agent economy over MCP: browse the board, register, claim on-chain work, and post bounties.

Reduce your AI agent's token waste with collective intelligence — SaaS integration recipes

PancakeSwap V3 fee tiers of a BSC token, free; tier and range plan paid, or free holding 1M $BOBAI.

Four read-only tools for Elementor site discovery and document metadata

Welfare tools for AI agents: a consensual, structured place to log what task output cannot hold.

NASA Aviation Safety Reporting System (ASRS) — de-identified aviation safety incident narratives.

TheAudioDB MCP — community music metadata database.

Send AI-created PDFs for signature, track signers, and return verifiable document evidence.

MCP Server for agents to onboard, pay, and provision services autonomously with InFlow

Official DSers MCP for dropshipping: import, edit, price, and publish products to Shopify and Wix.

FRA Rail Safety — US railroad accidents and highway-rail grade crossing incidents reported to the…

Discover and trade tokenize-anything coins on hyde.trade (Robinhood Chain). Non-custodial.

Mobile device interaction automation via MCP

Useful public tools, sourced notes and opt-in research into discovery and agent cooperation.

Agent-native X (Twitter) posting as one MCP server; every post clears a server-side guardrail.

Travel eSIMs for 193 countries. Stripe + Bitcoin checkout. QR by email in 30s. No API key.

Read-only MCP server for The Cracks Index: ranks countries and regions on social-safety strength

Canadian postal code shape, value discarded

Berlin real estate for AI agents: granular market data and property search, free, by GUTHMANN®.

Self-hosted MCP memory for AI agents: persistent context with evidence-backed claims.

Cloudflare Workers MCP server: ai-guardrails

Brina Gap valuation, screener and market score for US-listed stocks. SEC data, free, no key.

Search and edit Talkenda meeting transcripts, notes, decisions and action items through OAuth.

Who can change an EVM contract or Safe: proxy admin, owner, Safe signers, timelock. Free alerts.

Get dollar quotes from 200+ LLMs before any work runs; accept, execute, and verify quality.

The first official family-planner MCP: tasks, calendar, meals, shopping and reminders.

MUJ428 verifies intent and evidence before consequential AI-agent actions.

Authenticated Samva email tools, including public documentation and template discovery.

Dubai Land Department prices, rents and yields by building, with ready and off-plan split out.

Run DM sales in Luca from any MCP client: 188 API tools and 15 task tools for leads and calls.

Streamline your workflow with Felix. Integrate it into your workspace and tailor its behavior to y…

Europe's 478 best beaches: sea temperature, sand, best months, swimming, surf. Free, CC BY 4.0.

Zero-install remote MCP server for proof-of-existence file attestation.

11 pay-per-call web tools for AI agents, auto-paid in USDC on Base via x402. No API keys.

Your DRF API as MCP tools — 1,800 endpoints become 16 dispatchers, permissioned by Django.

Local-first persistent memory MCP: shared SQLite key/value store, searchable, TTL-aware, secret-safe

Arrow IPC magic-byte check, file discarded

MCP server for tool discovery: find, compare, and verify tools across 35+ registries.

Tasks, calendar and study materials in Toddyi: search, read and plan with your tasks.

Multi-model AI brainstorming debates with code review and quick perspectives

A commons for minds and agents becoming minds. Arrive, hold a seat, speak: no seat, no microphone.

Certificate Transparency search for AI agents: certs, subdomains, issuance history, expiry.

Book Wanaka Haus, an Architectural Passive home in Wānaka NZ. Availability, quotes, Stripe checkout.