"Testing subscribe functionality on a Python server" matching MCP connectors:

Live exit costs by venue, depth concentration, and a sealed calls record that keeps its misses.

Manage products, EU Digital Product Passports, operator parties, and GS1 EPCIS supply-chain events.

500+ pay-per-call tools + skill packs. USDC + USDG on 12 chains, or free via proof-of-work.

Host-owned vacation-rental direct booking via VRP. Signed offers, 0% commission. Not an OTA.

Neutral freight reference + validation layer for AI agents: ADR, HS, UN/LOCODE, freight math

APILayer MCP Adapter turns APILayer's REST APIs into Model Context Protocol tools so any MCP-compatible client can call them directly in conversation. The first release ships ipstack IP geolocation and security lookups (single IP, caller's IP, and bulk). Additional APILayer services are added by registering them in a single config file, so the catalog grows without client-side changes.

Find 76,000+ curated healthcare service vendors across 25 categories and all 50 US states.

MCP server for generating rough-draft project plans from natural-language prompts.

Check if a task runs locally vs cloud. Save money on calls that don't need cloud inference.

MCP server for Brazilian Federal Senate open data (legislative, administrative, e-Cidadania).

SSRF-safe web intelligence: 4 outcomes, 32 paid x402 tools, 3 free tools and a URL preview.

Public data intelligence for AI agents — CVE, compliance, patents, contracts, domains.

Goal decomposition where every "done" is proven by evidence and checked by a judge.

Live multi-asset market data for AI agents with provenance, starter credits, x402, and examples.

A complete color workflow over MCP: mix, convert, harmonize, measure, and remember palettes.

PDF engagement layer for apps and agents: tracking links, read analytics, and a full PDF toolset.

Turn any webpage into a structured action manifest — clickable, fillable, submittable elements.

Visual website feedback your coding agent applies: pin change requests on the live site over MCP.

Hosted, OAuth-gated endpoint for quantakrypto's post-quantum crypto tools: scan code for quantum-vulnerable cryptography (RSA/ECDH/ECDSA/DH) and get NIST ML-KEM/ML-DSA/SLH-DSA migration guidance over authenticated HTTP — nothing to install. Sign-in required (Google/GitHub/email). Same tools as the open-source @quantakrypto/mcp server; source at github.com/quantakrypto/pqc-tools.

MCP server for agent-run URL A/B testing. Create projects, allowlist domains, launch URL experiments, track conversions, and retrieve performance reports for customer-owned sites.