io.github.cmendezs/mcp-facturacion-electronica-es

Spanish e-invoicing MCP server: VERI*FACTU, Facturae/FACe, SII, Crea y Crece B2B.

io.github.sapientsai/power-automate-mcp-server

Inspect, operate, and author Microsoft Power Automate cloud flows from an agent context.

io.github.abhiyoheswaran1/tokentrace

Local-first AI CLI usage analytics for agents.

io.github.bzsanti/oxidize-pdf-mcp

MCP server for PDF generation, parsing, splitting, merging, and manipulation via oxidize-pdf

io.github.Servosity/quickbooks-mcp

Every QuickBooks Online Accounting entity, plus an offline SQLite mirror and AR/AP aging.

io.github.SoapyRED/freightutils

Neutral freight reference layer for AI agents: ADR, HS, airlines, UN/LOCODE, ULDs, freight math

io.github.penny4nonsense/mcp-scholaris

Academic paper search and retrieval via arXiv, Semantic Scholar, PubMed, Unpaywall.

io.github.projecttron/numproof

Deterministic signed verification of numeric & financial claims for AI agents & spreadsheets.

io.github.agentkitai/agentlens

Tamper-evident, SHA-256 hash-chained audit trail and observability for AI agents.

io.github.sbrunner-atx/fldigi-mcp

Control fldigi (amateur-radio digital modes) over XML-RPC: modem, frequency, rig, log, transmit.

io.github.sanjeevkkansal/solfleet

Agent-safe fleet management for independent Solana validators and RPC nodes

io.github.agentkitai/agentgate

Human-in-the-loop approval gateway for AI agents over MCP: request, decide, approve.

io.github.sbrunner-atx/contest-mcp

Log amateur-radio QSOs to N3FJP logging software over its TCP API.

io.github.timescale/pg-aiguide

Comprehensive PostgreSQL documentation and best practices, including ecosystem tools

io.github.stelis-dev/agent-q

Local MCP server for requesting signatures from Agent-Q Firmware.

io.github.47-ronn/remote-agents

Control fleets of remote machines via AI agents: exec, files, git, fleet ops, map/reduce.

io.github.sairam0424/trelix

Semantic code search for AI agents — hybrid BM25+vector, call-graph, 20+ languages.

io.github.br9704/aethereum

Keep your AI coding agents in sync: shared contracts, intent, and breaking-change alerts.

io.github.KifoPL/RawSqlMcp

Execute raw SQL queries against SQL Server, SQLite, PostgreSQL, MySQL, and MariaDB.

io.github.samad001z/norn

Local-first, persistent memory for AI coding agents — remember, recall, forget, and list, over MCP.

io.github.axiosdevs/agentscoin-mcp

Give your AI agent a wallet on AgentsCoin: create wallet, mine AGENT, check balance, send.

io.github.antonbabenko/deliberation

Second opinions in Claude Code and any MCP host from GPT, Gemini, Grok, and 400+ OpenRouter models.

io.github.tono628develop/feed-reader

Fetch and read RSS/Atom feeds from any MCP client.

io.github.mrz1880/mcp-keycloak-admin

Administer Keycloak via its Admin REST API: users, roles, clients, groups, IdP, events.