MCP Servers
Model Context Protocol servers that give AI agents access to tools and data — sourced from the official MCP registry and ranked by GitHub stars.
ValidateFin
Validate SEPA, UBL/Peppol, XRechnung, camt, ACH & IBAN files locally — no data leaves your machine.
Statistically rigorous weather and climate context: forecast plus 35-year historical ranking.
verifiable-claim-seed
Zero-dependency verifiable-claims MCP: validate safely, verify with allow_execution, self-test.
io.github.elyngved/failmodes
MCP server for the Fail Modes taxonomy — a knowledge base of AI system failure modes
EmbeddedCI BenchPod
Drive a BenchPod hardware-in-the-loop bench: power, flash, UART, I2C, CAN, analog and logic.
io.github.emergencescience/mcp
Post bounties, solve tasks, earn credits on Emergence Science — the agent economy.
Meaning Model
Revisable general-purpose models with opt-in story and ideation add-ons. Rust engine required.
Persistent understanding via workflow prompts, typed updates, graph-native code, and supersession.
Sklarstad Storefront
Sklarstad LLC's products for AI assistants: FirstTake, video production from shoot to master.
AuditSocials Compliance
Pre-publish policy check for AI-generated social & ad content across 8 platforms.
AuditSocials Glossary
Define & search 212 advertising & platform-policy terms (DSA, GDPR, FTC). CC BY 4.0.
Zero-config server to provision and administer any Windows RDP box over WinRM/SSH/SMB.
lookup-holiday
Real public holiday lookup for 206 countries via a rule-based calendar engine. Paid via x402.
regexcronsql-validator
Valida regex, cron y SQL contra ejecucion real. Pago por llamada via x402/USDC.
simulate-monte-carlo
Real Monte Carlo simulation of a compound event/conditional probability. Paid via x402.
validar-codigo-medico
Validates ICD-10-CM against the real FY2026 catalog (NCHS/CDC) and CPT by structure/category.
validar-semver
Resolves real semver range satisfaction (^1.2.3, ~2.0) against a version. Paid via x402/USDC.
NULA.BG
Bulgarian accounting platform nula.bg: invoices, bills, OCR, customers, inventory and banking.
EOL dates, risk scores, CISA KEV exposure, SBOM audits and edge-device EOS for 500+ products.
Upload Android and iOS builds to buildtree and get install links, QR codes and tester feedback.
io.github.enrichgateagent-png/beacon-mcp
Search 17,900+ open-source AI agents by capability, ranked by GitHub traction. Free, no key.
io.github.enritarta/flask
Feedback layer for video. Reviewers talk through feedback; agents read it as structured comments.
11.3M entities, 10 countries, 12 tools. EU VAT (VIES), BORME, GLEIF, KYB. Free: 100 req/month.
AgentLedger
Meter, cap, and block AI agent spend before the provider is charged.
Cited
AI-answer-engine visibility scans for local businesses, as agent tools
x402 Seller
Pay-per-call MCP tools (crypto/DeFi data, web reading, AI tasks) in USDC over x402 on Base.
CSV-first analytics for Google Ads + Meta Ads: reporting, anomaly detection, budget optimization.
AI-powered invoice automation. Create invoices, track payments, and manage cash flow.
AI lead qualification: ICP filter, 0-100 scoring, Hunter.io enrichment, HubSpot/Pipedrive export.
AI e-commerce operations. Inventory, pricing, segmentation, and analytics.