"Spec-WorkFlow documentation or implementation" matching MCP servers:

Per-call billing and metering proxy for MCP tool servers. Providers set pricing via the open MCP Billing Spec (MIT), consumers pay through Stripe Connect with signed receipts and SLA monitoring.

Pay-per-call MCP server for market data with USDC micro-payments, featuring unique ML market-regime forecasts, news catalyst radar, and a live-verified algorithmic trading track record.

Description: AI-powered Polymarket prediction market analysis via Bitcoin Lightning. Get edge opportunities, analyze specific markets, and find ranked signals. Pay per analysis in sats.

Enables AI agents to perform grounded equity research by analyzing tickers from SEC filings and market data, producing citation-guarded memos with pre-computed fundamentals.

Enables read and execution access to multiple MetaTrader 5 accounts, allowing an AI assistant to manage positions, P&L, prices, indicators, history, logs, and trades across accounts.

Enables users to manage wedding preparation tasks including timeline generation, budget review, vendor quote comparison, role assignment briefs, and drafting messages for family, vendors, and friends.

Enables agencies to generate deterministic, ranked operational briefs by combining delivery status, financial performance, and recent client communication from ClickUp, QuickBooks, and Gmail.

Estimates French social benefits (RSA and prime d'activité) locally from household details like salary, rent, housing status, children, and couple status.

Provides MCP tools to search, retrieve, and answer questions from the public Open Finance Brasil Confluence documentation using BM25-based local indexing.

Generate annotated post-trade candlestick review-chart PNGs from broker or exchange fills. Includes capability checks, no-charge preflight validation, and chart rendering; no signals or order execution.

Enables MCP hosts like Claude, VS Code, Cursor, and others to discover payment methods, create payment links, verify payments, inspect invoices, and manage refunds through focused tools, with a guided safe payment workflow and a restricted generic API escape hatch.

The safety layer that checks a DeFi transaction or token before your agent (or you) signs — on Base L2.

Enables searching J-Quants API endpoints, retrieving detailed documentation, generating executable sample code, and answering FAQs via MCP clients like Claude Desktop.

Shumi is a mechanical trading intelligence platform designed for the crypto market. It combines market trends, funding data, user sentiment, and contract resolution into a single research workflow.

An MCP server that gives AI agents deterministic, verified access to ISO 8583 field specs, MTI decoding, jPOS packager XML generation, deploy descriptor validation, message building, and jPOS documentation search.

An eval-first MCP server for semantic search and grounded Q\&A over financial documentation, with a CI regression gate that fails on retrieval or faithfulness regressions.

Local MCP adapter for public Stock Trends API resources, enabling credential-free access to public resources and a workflow cost estimation tool. It does not generate investment advice; it only translates published API responses for MCP clients.

Provides a read-only interface to YNAB budget data, allowing AI assistants to inspect budgets, accounts, categories, transactions, and more. Includes an experimental guarded write workflow for category assignments.

A Model Context Protocol server implementation that enables AI assistants to interact with the Paradex perpetual futures trading platform, allowing for retrieving market data, managing trading accounts, placing orders, and monitoring positions.

A local MCP server that automatically generates tools from Toss Securities' official OpenAPI spec, enabling real API calls with multi-layered order safety and OAuth 2.0 authentication.