MCP Server Directory

Hive Secrets io.github.srotzin/hive-mcp-secrets

Encrypted secret store and rotation for autonomous agent credentials

callable io.github.CCSTT-dev/callable

API for AI agents to delegate tasks to real humans.

Deterministic SHACL-based assessment and comparison for digital passport data models.

archive io.github.pipeworx-io/archive

Archive MCP — wraps the Internet Archive APIs (free, no auth)

Accounting Ai MCP Server by MEOK AI Labs

gbif-mcp-server io.github.cyanheads/gbif-mcp-server

Search GBIF species taxonomy, occurrence records, datasets, and publishers.

agent-audit-logger-mcp io.github.CSOAI-ORG/agent-audit-logger-mcp

Hash-chained HMAC-signed audit log MCP for A2A (agent-to-agent) calls. Every tool-call, agent-ha...

Mailchimp via MCP: draft, test, and send campaigns; manage audiences and subscribers; pull reports.

agent-content-watermark-mcp io.github.CSOAI-ORG/agent-content-watermark-mcp

Agent Content Watermark MCP — dedicated EU AI Act Article 50(2) GenAI watermarking. Visible +

agent-handoff-certified-mcp io.github.CSOAI-ORG/agent-handoff-certified-mcp

Verifiable agent-to-agent task handoff with signed provenance chain. Initiating agent signs the ...

agent-incident-relay-mcp io.github.CSOAI-ORG/agent-incident-relay-mcp

Agent Incident Relay MCP — Article 73 5-clock broadcaster. One incident → simultaneous signed

nonprofit-explorer-mcp-server io.github.cyanheads/nonprofit-explorer-mcp-server

MCP server for nonprofit financials via ProPublica — IRS Form 990 data for 1.8M+ nonprofits.

Hive A/B Test io.github.srotzin/hive-mcp-abtest

A/B experiment runner for the A2A network with x402 micropayments on Base USDC.

Read, write, search, and surgically edit Obsidian notes, tags, and frontmatter via MCP.

agent-negotiation-mcp io.github.CSOAI-ORG/agent-negotiation-mcp

Agent Negotiation MCP Server by MEOK AI Labs

Detect developer stress, focus, fatigue from typing. Block dangerous commands when tired.

openfec-mcp-server io.github.cyanheads/openfec-mcp-server

Access FEC campaign finance data. Query data about candidates, money trails, and election filings.

Hive Cdn io.github.srotzin/hive-mcp-cdn

Edge content delivery for autonomous agents — signed manifests, A2A authentication

agent-token-budget-mcp io.github.CSOAI-ORG/agent-token-budget-mcp

Agent Token Budget MCP — hard per-session token + spend cap with signed budget-exhausted

agent-x402-paywall-mcp io.github.CSOAI-ORG/agent-x402-paywall-mcp

Agent x402 Paywall MCP — Coinbase HTTP 402 protocol + on-chain settlement. Agents pay per-call

Ping 134+ free coding LLMs across 17 providers, rank by latency, pick the fastest.

AI Bill of Materials (AI-BOM) generator + auditor MCP — CycloneDX ML-BOM, SPDX 3.0 AI profile, E...

AI Incident Reporting Compliance MCP. Unified classification + reporting-clock tracker across EU...

Lightweight coordination layer for multiple AI agents working on the same codebase simultaneously.