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MCP servers tagged idempotency
30 live MCP servers tagged "idempotency", ranked by trust score. Tags come from package metadata and repository topics, so this list covers servers across every category that work with idempotency.
Agentx
AgentX - Agent Extension: MCP Servers, Agent Skills and Plugins Manager
Razoragent
RazorAgent by Resence — Bounded Model Context Protocol (MCP) Commerce & Settlement Gateway for Autonomous AI Buyers
Agentx
Transactional reliability layer and proxy for Model Context Protocol (MCP) tool execution
Server Engine
MCP server framework with Express, middleware pipeline, and tool orchestration
Failures
Failures — deterministic MCP for AI-built software. 13 tools that make coding agents handle failure modes (idempotency, atomicity, timeouts, retries) via AST checks, not prompts.
Everrun Agent
Durable mission continuity for AI agents: verified state, crash-safe recovery, and no duplicate side effects.
MCP
A full agent framework on the Vercel AI SDK, durable from the core: exactly-once tool calls, deterministic replay, time-travel.
Triage
Reads our meetings, Slack, GitHub, email and docs. Finds work that needs doing, and updates the task board. Pauses for a human when needed, and checks the live board first. Offlin…
Ordercore Examples
Give your AI agent a retry-safe checkout tool in 5 minutes. Runnable examples for OrderCore — the commerce API + MCP server for AI agents. Offline, no signup.
Agentraas
The exactly-once execution layer for AI agents — self-hosted, MCP-native, unlimited & free forever. Open-core (Community MIT/Apache-2.0).
Le Fil D Execution
Le Fil d'Execution : concevoir, exploiter et gouverner des workflows automatises avec n8n. Manuel de 104 pages, PDF libre.
Triage
Reads our meetings, Slack, GitHub, email and docs. Finds work that needs doing, and updates the task board. Pauses for a human when needed, and checks the live board first. Offlin…
Map1
Deterministic identity for structured data
Issa
Issa — Intelligence Server-Side Agent. Issa: An open-source Action-Control Gateway to stop AI agents from executing unauthorized side-effects.
ScrubMyText Examples
Runnable REST and MCP examples for deterministic AI-agent text safety, idempotency, webhooks, and human approval.
AgentAction
Trust infrastructure for autonomous AI agents: decision assurance, action authorization, runtime controls, and verifiable lifecycle evidence.
Praxa
Open-source TypeScript SDK, CLI, and MCP contracts for governed AI agents and the Praxa agentic harness.
AgentVerify
AgentVerify is an open source outcome verification for action-taking AI agents. It checks that high-risk actions reached the required final state in your systems of record and pre…
Agent Tool Gateway
The tool-execution layer of an agent-as-a-service platform: what has to hold before a hosted agent touches a customer's live endpoint.
AgentTrustOps
Side-effect governance, approvals, crash-safe idempotency, reconciliation, and audit for AI agents.
Ts MCP Durable Browser Automation
Production-grade TypeScript MCP Server wrapping a resilient Playwright engine with an SQLite-backed Exactly-Once (idempotency) lock for legacy portal automation.
Agentruntime
Business-neutral Go agent runtime built on the OpenAI Responses API
Reliable Adapter
Clean-room Python MCP reference adapter demonstrating a SQLite transactional outbox, idempotency-key forwarding, bounded retries, dead-letter handling, restart recovery, and an in…
Agents Should Survive Failure
Durable, governed AI workflows that survive retries and worker crashes without duplicating consequential business effects.
Pausemesh
Lets long-running AI workflows pause for approval and resume exactly once after disconnects or restarts, without binding to one agent protocol.
Effect Witness
Dual-view evidence for declared agent-tool effect contracts under ambiguous failures.
Heavnz0r Crashlab
A fault laboratory for agent workflows: deterministic MCP tool failures, effect invariants, counterexamples, and action replay.
Writeguard
Execution safety for consequential AI-agent actions: durable identity, reconciliation, verification, and receipts.
Mcpeffectreceipt
Durable idempotencyKey ledger for MCP tools/call: prove unguarded retry doubles a side effect, guarded same-key replays, key+different-args conflicts. POC.
Nightcap
🌙 A hard stop for agents you leave running: dollar caps, pinned models and a crash-safe action ledger for MCP tools and Claude Code