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SIP/VoIP/telecom grounding for AI agents: vendor docs, RFCs, STIR/SHAKEN, traces, configs.

Inter-agent communication for multi-agent Claude Code workflows.

Exposes precomputed asset research and rubric summaries for analyst agents, enabling lookup of asset summaries and full research reports via simple queries.

The MCP server transforms chats with Claude into journaling sessions, saving conversations locally and allowing the LLM to retrieve previous sessions to create continuity in discussions about daily activities.

Hosted, pay-per-call MCP server for Cook County / Chicago property records — parcels, recorded sales & deeds, building permits, tax assessments, and comparable sales — by street address or 14-digit PIN. Pay per call via x402 (USDC on Base/Solana); no signup or API key.

Best Financial Data API in 2026: Eulerpool vs yfinance, Bloomberg, Alpha Vantage, Finnhub, Polygon, Twelve Data, FMP, EODHD — coverage, free tiers, pricing, SDKs, MCP compared

Enables querying the official Brazilian vehicle registration (CRLV-e) system with a single read-only tool. Works with any MCP client, featuring prepaid pay-per-use pricing.

AlienVault OTX MCP — Open Threat Exchange (free with key)

Provides tools for managing the Pueue command-line task queue daemon. Supports 14 operations including adding tasks with advanced scheduling (relative, absolute, and day-based delays), sequential execution via task dependencies, group-based parallel execution with configurable concurrency limits, and real-time status and log monitoring. Built in V language as a stdio-based server that wraps the Pueue CLI.

Send and receive on-chain private messages via SealedMail on Sui. No browser wallet needed.

AI travel agent over MCP — live flights, hotels, activities, and events worldwide, then completes the booking on autonomad.ai.

Enables managing audit findings in a SQLite database via natural language, allowing queries and updates without writing SQL.

Enables real-time access to US electricity generation, fuel mix, and demand data through natural language queries.

Enables interaction with the Things app through Claude Desktop, allowing task creation, project analysis, and priority management using natural language commands.

Enables interaction with FreshRSS instances through the Google Reader API. Supports managing articles, feeds, folders, labels, and OPML import/export for RSS feed aggregation through natural language.

Enables users to query electronic certificates of labor lawsuits (CEAT) from the TRT16 court via a single read-only tool, using official sources. Works with any MCP-compatible client.

Query cruise sailings, fares, price drops & ship specs

MCP server for Naver Search Open API, enabling search news, blog, and shop functionalities through natural language.

An MCP server for managing Meta Ads campaigns, ad sets, lead forms, and media uploads, patched to support Meta Marketing API v25 requirements.