"Invoice Ninja" matching MCP servers:

Persistent memory for Claude Code. Automatically indexes every conversation and provides production-grade hybrid search (BM25 + vectors + reranker) via MCP tools. 100% local, zero config, zero API keys, zero invoice.

Headless document processing for AI agents. Invoice extraction, contract analysis, and Dutch business verification. Pay-per-use via X402 on Solana. No API keys needed.

Enables freelancers and small agencies to manage client operations through voice, with daily briefings, call preparation, invoice tracking, stale-client alerts, and persistent memory across sessions.

Persistent memory system for LLMs with lossless transcript management, enabling memory recall and full session history search across all conversations.

Pay-per-use semantic memory for AI agents with cryptographic attestation. Vector embeddings with SHA256 commitment, secp256k1 signature, and Lightning invoice.