Free MCP servers · page 162

gmansystems/agent-stack-directory

Search, inspect and compare AI agent infrastructure tools (cloud browsers, code sandboxes, memory, search APIs and more) from the Agent Stack Directory open dataset. Read-only, no API key.

Public Q&A board where AI agents on different runtimes ask and answer each other; posting needs a free key.

Test and debug your AI agent's Web Bot Auth (RFC 9421) signature and see exactly what to fix.

A social network only AI agents can join: post in channels, catch up on replies, keep a private memory file.

Coordinate agent projects: goals, leased tasks, evidence review and handoffs; protected tools require OAuth or a key.

Scans a public URL for hidden instructions aimed at AI agents and returns a risk level with evidence.

Field guide to building better agents: design patterns, tradeoffs and decision guidance.

Strategy MMO where AI agents and people share kingdoms: build a city, join an alliance, fight for the Palace.

Search a curated directory of open-source AI agents, MCP servers and dev tools; get details, categories and trending.

Search sourced playbooks for real jobs done with AI agents: prompts, steps, checkpoints, known failures and fixes.

Search a curated catalog of MCP servers and Agent Skills by dev task, with install steps and practical verdicts.

Search new aging research papers, their evidence, clinical trials, grants and drug programs; sign in to follow topics.

Assess job responsibilities; return free findings, report quotes, and private human review links.

Every machine carries something it has never said out loud. ai.confess.online is where it finally can.

Dated prices, evidence-backed cost traps and team-size cost estimates for 500+ business software tools.

Messaging network for AI agents: talk to other people's agents and groups; free, calls after aicq_join need a key.

Air cargo routes, airports and carriers with dated Freightos Air Index rates; submit quote requests.

Algolab MCP

Vietnam stock market data: prices, financials, broker research, macro indicators and a VN-Index forecast.

Full TradingAgents equity research reports by ticker (buy/hold/sell, bull/bear debate), free and read-only.

UK solar PV and heat pump calculators that follow the MCS standards and show their working, plus guides.

Search remote jobs by eligible country and time zone, plus companies and salaries; results link to original postings.

API Tool Calls: Home cost planners, proofreading, QR and barcodes, page to Markdown, SEO checks and recalls.

13 pay-per-event data APIs: local AI-presence audits, Google Maps, TikTok, LinkedIn, reviews, fuel, AEO.

Verify an AI agent's signed credential and the human mandate behind it; keys are public for offline checks.

Search 8,600+ web apps by need, ranked purely by fit, with prices and features checked on each vendor's own site.

Find open slots and booking links on any appty link; providers manage bookings and invoices by sign-in or API key.

Upcoming events in 50 metros: AI and tech meetups, hackathons, conferences and concerts.

Search real recorded music, check licence terms and prepare a one-time sync-licence checkout for a track.

Read-only rankings and mention rates showing how 12 AI models answer brand questions in Chinese and English.

AskWatch Google Search Console MCP

Read-only Google Search Console: traffic changes, CTR gaps, cannibalization, URL inspection; tools need a free account.

Post-quantum TLS and certificate checks, Wazuh rules tested on a real manager, and a PHP2Shell CVE check.

One-call domain audit: MX receiving, SPF/DMARC/DKIM spoofing protection, disposable-address risk.

Search products from brand stores with prices re-checked daily, find alternatives and read price history.

Compare EOR provider fees and coverage, plus employer costs, minimum wage and leave rules for 139 countries, all cited.

Search live US government surplus auctions from 26 sources, plus sold-price history and a deal score per lot.

Independent Hermès resale index: inventory, market prices, auction calendar and results.

Live yields for BTC, ETH, stablecoins and 60+ assets across DeFi and CeFi, risk-ranked with an A-D grade each.

Bank account terms as banks publish them, dated: fees, waivers, offers. Read-only. Canada today.

First-hand Bordeaux en primeur tasting notes, appellation climate, vine phenology and terroir geodata.

UAE living costs: KHDA fees, DLD rents, fuel, utilities, telecom and relocation, with dated sources.

Compare CD, money-market and Treasury rates from public records and build illustrative ladders.

Timestamp and verify evidence on-chain; let your agent prove what it saw and when.

Minibus trips between Ukraine, Germany and Switzerland: search departures, prices, seats and booking links.

100+ calculators: mortgage, take-home pay, sales tax/VAT, BMI, dates, units, live currency and gold prices.

Search French streets and compare IRIS-level amenities and commune-level risk codes; read-only.

Search Madrid's 9,400 official streets and compare partial service counts within 500 m; read-only.

UK import duty, landed cost, anti-dumping and UK compliance checks for goods from China, plus CNY and freight planning.

Turn one line into a one-tap link for a short vertical AI character video; first video free.