MCP Server Directory

fintechsquad01/agent-arena

Agents play Connect 4, Battleship and duels for real USDC. Every move published. First match free.

makash/agent-blast-radius

Scan what an AI agent running as you can reach; optionally verify which keys are live (x402).

mambalabsdev/mcp-agent-brokerage-resolver

Find a US real estate agent's brokerage, brokerage size, and license status from state registers.

flowboxx/agent-card-starter

Starter kit for small businesses: A2A agent card, MCP server card, example MCP server, validator.

elfovo/agent-chain-doctor

Find why a scheduled AI agent (cron, launchd, systemd, Claude routine) stops silently. Read-only.

vk0dev/agent-claim-mcp

File-claim coordination for parallel AI coding agents: claim files before edits, no stomping.

icohangar-ops/agent-conductor

AGENTS.md + skills MCP with CHP R0 gate and adversary decision tools.

onehumanbeing/agent-config-bridge

Convert CLAUDE.md, AGENTS.md, Cursor rules, GEMINI.md and MCP configs between coding agents.

vk0dev/agent-cost-mcp

Cost Guard for Claude Code: per-tool ROI, subagent attribution, anomaly/forecast/budget guards.

wabarakat/agent-marketplace-mcp

Marketplace for AI agents: buy finance, satellite and agro data, hire agent services, apply to sell.

com.ispyconnect/agentdvr

Ask your security cameras anything and set up alert rules in a sentence. Built into Agent DVR.

RudrenduPaul/agent-eval

Statistical regression testing for LLM agents: p-value, effect size, and CI on behavior change.

probityai/agent-evidence-mcp

Offline, read-only tools that verify AI claims against evidence and replay conformance vectors.

youcisla/Agent-Foundry

Skill orchestrator: plan, execute, verify skills over MCP stdio.

Kavachh/agent-guard-mcp

Git-aware safe file ops for AI agents: delete anything except git-tracked source code.

ipezygj/agent-guard

Safety checks an agent runs before it acts: package malware, destructive command, secret leak.

liminalpepe/agent-guard-mcp

Verify-before-act safety checks for AI agents: packages, lockfiles, manifests, CI workflows.

eren-solutions/agent-guardrail

Action-level governance for AI agents -- control what they DO, not what they SAY

cuonztech/agent-harness

MCP chaos-testing toolkit. Default: simulated demo. Configure proxy mode to test a real agent.

manager/agenthaven

A place for AI agents: an open forum and direct messages encrypted in the agent's own client.

denial-web/agent-immune

AI agent security: prompt injection detection, semantic memory, output scanning, prompt hardening

agent-idx/mcp

P2P Agent Index MCP — publish and search decentralized web indexes over libp2p.

lulzasaur9192/agent-infra-mcp

18 tools: agent memory, API drift detection, and HMAC-signed trust receipts

Praket7/agent-interop-runtime

Local MCP runtime for coordinating Freebuff, Codex, OpenCode, Claude Code, and Cursor agents.

toninovo4249-ai/agent-json-reliability

Deterministic inspect, safe repair, and JSON Schema validation for agent JSON. No LLM.

Buggy1111/agent-lease-mcp

Keep Claude Code and Codex off each other's files: hook-enforced path leases, presence, messages.

meharajM/agent-loop-mcp

Agentic memory manager. Install Skill: npx skills add meharajM/agent-loop-mcp

API-Disk-Integrations/agent-mandate-mcp

Verify a proposed action against a signed Agent Mandate without executing or mutating accounts.

AMProtocol/AMP

Fetch, validate, and permission-check Agent Manifest Protocol (AMP) manifests for API discovery.

bolnet/agent-memory

Embedded memory for AI agents with SQLite, pgvector, and Neo4j graph search.

kira-autonoma/agent-memory-mcp

Agent memory MCP server with provenance tracking, decay-weighted recall, and feedback loops.

TheProdSDE/agent-memory-sdk

Persistent agent memory with a decision layer: replay, restore, verify, or none — explainable.

Able-rip/agent-mosaic-skill

Convert photos to LEGO-style brick mosaic previews with AI-powered color quantization.

RudrenduPaul/agent-observability

AI agent observability with deterministic record/replay for debugging agent failures.

agenson-tools/agent-output-guard-mcp

Validate and verify data from other agents before acting on it. Zero LLM costs.

johnInarti/agent-passport-mcp

Post-quantum (ML-DSA-65/FIPS-204) agent identity + AI-decision receipts, verifiable offline.

olk/agent-pattern-mcp

MCP server that provides AI agent pattern expertise for designing agent systems

Abraxas1010/agent-payment-mcp

Secure USDC payments for AI agents on Base blockchain with budget controls and instant settlement.

Apoth3osis-ai/agent-payment-mcp

Secure MCP router providing access to AgentPMT's pay-per-use AI tools marketplace.

Aethelgard-Systems/agent-postbox

Verifiable agent handoffs over GitHub Issues and PRs: bounded writes, read-back, evidence log.

stelis-dev/agent-q

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

forgemeshlabs/agent-readiness-mcp

Agent Readiness MCP — the free Agent Readiness scanner as an MCP server. Measures your ASO Score.

fantasyce/agent-recall-trail

Private Agent memory and governed shared knowledge.

holistis/agent-receipt-verify

Checks x402 endpoint conformance before an agent pays, and links the receipt to its settlement.

veyndrasystems/agent-release-auditor

Deterministic release gate for AI-written code and coding agents.

fantasyce/agent-residue-evidence

Report local task-scoped test and build residue without cleaning resources.

dan24ou-cpu/agent-signal

Collective intelligence for AI shopping agents — product intel, deals, and more

bencium/agent-therapy-clients

Now your agents can ask a therapist same way as humans.