"Keeper" matching MCP servers:

Durable project-memory MCP: decisions, constraints, and pipelines across Claude sessions

Multi-agent shared brain MCP server enabling cross-session memory, self-improving skill loops, and inter-agent signaling across Claude, Codex, Gemini, Copilot, and VS Code CLI agents.

Local MCP server for Call of Cthulhu 7e, managing campaigns, character knowledge, and rule resolutions (d100, SAN, combat) with secure state isolation and keeper-controlled access.

Provides a 'library keeper' sub-agent that ingests PDF/EPUB books and answers questions grounded in them via local embedding search, with deterministic classification and knowledge gap logging.

Enables read-only analysis of FST waveform files, including signal value queries, timing measurements, event search, latency analysis, and PNG plot generation using human-readable time addressing.

Local-only MCP server that exposes Beeper Texts data (messages, chats, contacts) from the macOS Beeper Desktop SQLite database for AI assistants and automation tools, supporting search and media retrieval across multiple platforms.

An MCP server that gives AI assistants access to SEC-registered financial advisor data, enabling searches by name, firm, or state, full profile lookups, disclosure history checks, and risk assessments.

Enables autonomous AI agents to execute onchain transactions, settle HTTP 402 micro-payments, and verify cryptographic execution receipts through KeeperHub with built-in safety caps.

Encrypts and stores API keys and environment variables locally, providing them to AI agents via MCP with tools for listing, describing, getting secrets, and running commands with secret values redacted.

Provides read-only access to local Beeper message history on macOS, enabling users to search conversations, read messages, and list recent chats through natural language queries. Supports both SQLite and IndexedDB storage formats with privacy-focused local-only operation.

Enables blockchain transactions on BSC including balance checks, transfers, token swaps, and reward claims.

A simple MCP server for creating and managing notes with support for summarization functionality.

Enables interaction with blockchain chains through a note storage system that allows adding, accessing, and summarizing notes via custom URI schemes.