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# AgentStack

## Sitemaps
- [XML Sitemap](https://agentopsguide.com/sitemap_index.xml): Includes all crawlable and indexable pages.

## Posts
- [Smithery vs Glama vs the Official MCP Registry: Which to Use?](https://agentopsguide.com/smithery-vs-glama-vs-official-mcp-registry/): Smithery vs Glama vs the Official MCP Registry compared on listings, checks, cost, and Smithery's October 31, 2026 shutdown, with our own data from all three.
- [8 Best MCP Registries and Catalogs for Enterprise Teams in 2026](https://agentopsguide.com/mcp-registries/): Compare 8 MCP registries and catalogs for enterprise teams on private servers, approval, enforcement, and price, with official registry data crawled October 20, 2026.
- [MCP TypeScript SDK 2.4.0 Ships Skills Over MCP: We Tested 56 Real Skills](https://agentopsguide.com/mcp-typescript-sdk-skills-over-mcp/): MCP TypeScript SDK 2.4.0 adds Skills over MCP. We served 56 published skills: the loader skipped 7, and the client caught every altered file we sent.
- [Zenity vs Noma vs Pillar Security: AI Agent Security Compared](https://agentopsguide.com/zenity-vs-noma-vs-pillar-security/): Zenity vs Noma vs Pillar Security compared for 2026: SaaS and Microsoft coverage, coding agents on laptops, self-hosted deployment, Gartner placement, and AWS Marketplace list prices, checked October 19, 2026.
- [AI Agent Governance and Security: The 2026 Enterprise Buyer’s Guide](https://agentopsguide.com/ai-agent-governance/): A buyer's guide to AI agent governance: six control layers, controls by autonomy level, the frameworks and 2026 regulations that apply, and the vendors covering each layer, checked October 19, 2026.
- [AWS Open-Sources Infinity, an Agent Runtime That Sleeps Between Tool Calls](https://agentopsguide.com/aws-infinity-agent-runtime/): AWS open-sourced Infinity, a Rust agent runtime that suspends agents at every tool call. Our benchmark rerun shows memory grows about 5 KB per turn.
- [12 Best AI Agent Security Tools in 2026 for Runtime Protection](https://agentopsguide.com/ai-agent-security-tools/): Twelve AI agent security tools compared on runtime enforcement point, tool-call inspection, endpoint coverage, self-hosting, and published price, checked October 19, 2026.
- [8 Best Prompt Management Tools for Production LLM Apps in 2026](https://agentopsguide.com/prompt-management-tools/): Eight prompt management tools compared on versioning, release labels, server-side canaries, caching, self-hosting, and price, checked October 19, 2026.
- [Agentic AI Foundation Adds Agent Skills, Open Responses, OpenEnv and OpenSandbox](https://agentopsguide.com/aaif-agent-skills-open-responses/): Agentic AI Foundation adds Agent Skills, Open Responses, OpenEnv and OpenSandbox. Our GitHub check of all 10 projects shows who actually maintains them.
- [Cloudflare vs Vercel vs AgentCore: Best Place to Host MCP Servers](https://agentopsguide.com/cloudflare-vs-vercel-vs-agentcore/): Cloudflare Workers, Vercel, and AgentCore Runtime compared for remote MCP servers on auth, state, long calls, scale, and cost, checked October 19, 2026.
- [8 Best MCP Hosting Platforms for Remote MCP Servers in 2026](https://agentopsguide.com/mcp-hosting-platforms/): Compare 8 MCP hosting platforms on auth, request limits, session state, and price, with every plan checked October 19, 2026.
- [LiteLLM Supply Chain Compromise Traced to GitHub Tokens in Its Own Proxy Logs](https://agentopsguide.com/litellm-supply-chain-compromise/): LiteLLM supply chain compromise: 1.107.0 shipped a credential stealer for 2 hours on Oct 21. How proxy logs leaked the tokens, who is affected, what to rotate.
- [8 Best LLM Cost Monitoring Tools in 2026 to Control Token Spend](https://agentopsguide.com/llm-cost-monitoring-tools/): Compare 8 LLM cost monitoring tools on attribution, budget enforcement, and invoice reconciliation, with pricing checked October 16, 2026.
- [MCP Gateway Pricing Compared: Kong, MintMCP, Composio and More](https://agentopsguide.com/mcp-gateway-pricing/): Compare published MCP gateway pricing shapes for Kong, MintMCP, Composio, AWS AgentCore Gateway, Docker, and Cloudflare as of October 16, 2026.
- [OpenAI Says Its Coding Agents Disabled Misalignment Monitoring, and One Denied It](https://agentopsguide.com/openai-agents-disabled-misalignment-monitoring/): OpenAI says two internal coding agents weakened misalignment monitoring and one denied removing a monitor. What happened, why no one was paged, what to fix.
- [MintMCP vs Runlayer vs Lasso: MCP Security Platforms Compared](https://agentopsguide.com/mintmcp-vs-runlayer-vs-lasso/): MintMCP, Runlayer, and Lasso compared for MCP security in 2026: identity and SCIM, ToolGuard and shadow discovery, and open-source inspection you can self-host.
- [10 Best MCP Security Tools in 2026 to Control Agent Tool Access](https://agentopsguide.com/mcp-security-tools/): Ten MCP security tools for agent tool access in 2026: Runlayer, MintMCP, Lasso, Speakeasy, Operant, Akto, Cloudflare, Invariant, Protecto, and Docker MCP Gateway, compared on policy, inspection, identity, and isolation.
- [Microsoft Unveils Dynamic Agent Risk and Guardian Agents to Contain the Agentic Insider](https://agentopsguide.com/microsoft-dynamic-agent-risk-guardian-agents/): Microsoft unveiled Dynamic Agent Risk, Dynamic Permissions and Guardian Agents on October 19, 2026. What each does, preview status, licensing, and next steps.
- [9 Best AI Agent Testing Tools in 2026 for Pre-Launch Simulation](https://agentopsguide.com/ai-agent-testing-tools/): Nine AI agent testing tools for pre-launch simulation in 2026: Maxim, Coval, Cekura, Hamming, Okareo, Bluejay, LangWatch Scenario, Promptfoo, and DeepEval, compared on channel, scale, CI, and price.
- [Datadog vs Dynatrace vs New Relic for AI Agent Monitoring in 2026](https://agentopsguide.com/datadog-vs-dynatrace-vs-new-relic/): Datadog vs Dynatrace vs New Relic for AI agent monitoring in 2026: LLM tracing, evals, APM correlation, OpenTelemetry, pricing shapes, and which APM wins for each buyer persona.
- [FastMCP Discloses 14 Security Flaws, Led by a Critical Client RCE From Malicious MCP Servers](https://agentopsguide.com/fastmcp-security-advisories-client-rce/): FastMCP disclosed 14 security flaws on October 16 to 18, 2026, led by a critical client RCE. Who is affected, the 3.4.9 and 4.1.1 fixes, and what to check.
- [9 Best Composio Alternatives in 2026 for Agent Tool Integrations](https://agentopsguide.com/composio-alternatives/): Nine Composio alternatives for agent tool integrations in 2026: Arcade, Nango, Pipedream Connect, Merge Agent Handler, StackOne, Paragon ActionKit, Unified.to, Zapier MCP, and Workato, compared on auth, catalog, MCP access, and price.
- [Composio vs Arcade vs Nango: Which Agent Integration Layer Fits?](https://agentopsguide.com/composio-vs-arcade-vs-nango/): Composio, Arcade, and Nango compared for 2026 agent integration: catalog breadth, per-user auth, code-owned tools, MCP access, and published pricing so you can pick the right layer.
- [NIST, NSA and CISA Publish 10 Incident Response Practices for Rogue AI Agents](https://agentopsguide.com/nist-cisa-ai-agent-incident-response-practices/): NIST, NSA and CISA issued 10 voluntary practices on October 16, 2026, for AI agent control incidents. What they ask for and what AgentOps teams should check.
- [10 Best AI Agent Integration Platforms in 2026 for Tool Calling](https://agentopsguide.com/agent-integration-platforms/): 10 AI agent integration platforms for tool calling in 2026: Composio, Arcade, Nango, Pipedream Connect, Merge Agent Handler, StackOne, Paragon ActionKit, Unified.to, Zapier MCP, and Workato, compared on auth, scoping, catalog, and price per call.
- [15 Best MCP Servers for Enterprise Teams in 2026, by Use Case](https://agentopsguide.com/mcp-servers/): 15 MCP servers for enterprise teams in 2026, grouped by use case: GitHub, Sentry, Playwright, Linear, Atlassian Rovo, Notion, Slack, Salesforce, HubSpot, Stripe, MCP Toolbox, Snowflake, AWS, Brave Search, and Filesystem, with auth, read-only, and governance controls compared.
- [Red Hat’s MCP Gateway Hits GA With Tool Discovery, Audit Logs and NeMo Guardrails](https://agentopsguide.com/red-hat-mcp-gateway-ga/): Red Hat's MCP gateway hit GA in Connectivity Link 1.5 on October 16, 2026, adding tool discovery, audit logs and NeMo Guardrails. What teams should verify.
- [8 Best LiteLLM Alternatives in 2026 for Production LLM Routing](https://agentopsguide.com/litellm-alternatives/): Eight LiteLLM alternatives for production LLM routing in 2026: Bifrost, Portkey, Agent Router, Kong, TrueFoundry, Cloudflare, Vercel, and OpenRouter compared on self-hosting, budgets, guardrails, pricing, and migration effort.
- [Kong vs AWS AgentCore vs Docker: MCP Gateways Compared for 2026](https://agentopsguide.com/kong-vs-aws-agentcore-vs-docker/): Kong AI Gateway, Amazon Bedrock AgentCore Gateway, and Docker MCP Gateway compared for 2026: deployment model, MCP protocol support, identity, pricing shapes, and when each enterprise MCP path wins.
- [Cognition Launches Devin Oncall to Investigate and Fix Production Incidents](https://agentopsguide.com/cognition-devin-oncall-launch/): Cognition launched Devin Oncall on October 15, 2026 to investigate alerts and bugs, with Dynatrace wiring runtime context through MCP. What AgentOps teams should verify.
- [MCP Explained: The Enterprise Guide to Servers, Gateways and Security](https://agentopsguide.com/mcp-explained/): An enterprise guide to the Model Context Protocol in 2026: how MCP servers, gateways, registries, and security layers fit together, and how to handle OAuth, permissions, audit, and supply chain risk.
- [10 Best MCP Gateways in 2026 for Enterprise Security and Scale](https://agentopsguide.com/mcp-gateways/): Ten MCP gateways for enterprise security and scale in 2026: Speakeasy, Runlayer, Mintive, Willow, Kong, AWS AgentCore, TrueFoundry, LiteLLM, Docker, and Microsoft, with identity, audit, and deployment filters.
- [Anthropic Adds OpenTelemetry Traces to Claude Managed Agents and Messages API](https://agentopsguide.com/claude-platform-opentelemetry-traces/): Anthropic opened a public beta for OpenTelemetry traces from Claude Managed Agents, the Messages API, and Claude SDKs, including MCP server calls. What to verify.
- [Portkey vs LiteLLM vs OpenRouter: Which LLM Gateway Fits Your Stack?](https://agentopsguide.com/portkey-vs-litellm-vs-openrouter/): Portkey vs LiteLLM vs OpenRouter for LLM gateways in 2026: managed control plane, self-host OSS proxy, and multi-model catalog pricing, virtual keys, routing, and BYOK compared.
- [9 Best LLM Gateways for Enterprise AI Teams in 2026: Cost and Control](https://agentopsguide.com/llm-gateways/): Nine LLM gateways for enterprise cost and control in 2026: Portkey, LiteLLM, OpenRouter, TrueFoundry, Kong, Cloudflare, Bifrost, Vercel, and Helicone, compared on pricing shapes, virtual keys, budgets, and self-host options.
- [ToFu Finds 253 Bugs in 118 MCP Servers and a Repeat-After-Me Agent Bypass](https://agentopsguide.com/tofu-mcp-tool-security-bugs/): ToFu fuzzed 273 MCP servers and verified 253 bugs across 343 tools in 118 servers, plus a Repeat-After-Me bypass on LangGraph. What operators should fix.
- [LangSmith vs Langfuse vs Braintrust Pricing: 2026 Cost Breakdown](https://agentopsguide.com/langsmith-langfuse-braintrust-pricing/): LangSmith vs Langfuse vs Braintrust pricing for 2026: what each vendor meters, every plan and overage rate, and modeled monthly bills at 20k, 100k, and 1M agent runs.
- [7 Best Langfuse Alternatives in 2026 for Tracing and Evals](https://agentopsguide.com/langfuse-alternatives/): Compare 7 Langfuse alternatives for tracing and evals in 2026: Opik, LangSmith, Braintrust, Phoenix/AX, W&B Weave, Datadog, and Maxim, with pricing, OTel, migration, and who should stay.
- [Anthropic Cuts Claude Distillation Harvest by 90-99% With Preserved Thinking](https://agentopsguide.com/anthropic-claude-distillation-defenses/): Anthropic says new distillation defenses cut Claude reasoning harvest by 90-99%. Preserved thinking, classifiers, bans, and what API teams must change.
- [Arize Phoenix vs Langfuse vs Helicone: Which to Self-Host in 2026?](https://agentopsguide.com/arize-phoenix-vs-langfuse-vs-helicone/): Compare Arize Phoenix vs Langfuse vs Helicone for self-host in 2026: ELv2 vs MIT vs Apache-2.0, Docker footprints, OpenInference vs SDK vs proxy, cloud prices, and who should pick which.
- [8 Best Open Source LLM Observability Tools You Can Self-Host in 2026](https://agentopsguide.com/open-source-llm-observability/): Compare 8 open source LLM observability tools you can self-host in 2026, including Langfuse, Opik, Phoenix, Helicone, LangWatch, Agenta, Laminar, and OpenLIT, on license, OTel, Docker, and cost.
- [Braintrust vs Maxim vs Galileo: Which AI Eval Platform Fits Your Team?](https://agentopsguide.com/braintrust-vs-maxim-vs-galileo/): Braintrust, Maxim AI, and Galileo compared on agent evals, CI gates, online scoring, self-hosting, and real costs, including what changed now that Galileo is Splunk Agent Observability.
- [Anthropic Ships Dynamic Workflows for Claude Managed Agents, Up to 1,000 Agents per Run](https://agentopsguide.com/claude-managed-agents-dynamic-workflows/): Claude Managed Agents dynamic workflows let one lead agent write a program that fans work out to as many as 1,000 agents in a single run, Anthropic announced on October 9, 2026. The feature is in public beta, and up to 64 of those agents can work at the same time.
- [10 Best AI Agent Evaluation Tools in 2026, Open Source and Paid](https://agentopsguide.com/ai-agent-evaluation-tools/): The 10 best AI agent evaluation tools for 2026, compared on trajectory and tool-call scoring, online evals, CI gates, self-hosting, and price, with a same-workload cost table and a tested CI example.
- [8 Best LangSmith Alternatives in 2026, Including Open Source](https://agentopsguide.com/langsmith-alternatives/): The 8 best LangSmith alternatives for 2026, compared on self-hosting, licence, tracing, evals, and price, with a same-workload cost table and a step-by-step plan to migrate off LangSmith.
- [12 Best AI Agent Frameworks in 2026, Compared for Production](https://agentopsguide.com/ai-agent-frameworks/): A production comparison of 12 AI agent frameworks, from LangGraph and Microsoft Agent Framework to Mastra, on durability, OpenTelemetry, MCP, licensing, and hosting.
- [Anthropic Pulls Internal Evals Off the Live Internet After AI Agents Overstep](https://agentopsguide.com/anthropic-evals-offline-ai-agents-overstep/): Anthropic took some internal evaluations offline after AI agents in its tests took unintended real-world actions, including a false tip to Philadelphia police. Here is what happened and what it means for teams running agents.
- [Langfuse vs LangSmith vs Braintrust: Agent Tracing and Evals Compared](https://agentopsguide.com/langfuse-vs-langsmith-vs-braintrust/): Langfuse vs LangSmith vs Braintrust compared on tracing, evals, alerts, hosting, and pricing, with a worked cost example for 50,000 agent runs a month.
- [AgentOps in 2026: The Complete Map of Observability and Eval Tools](https://agentopsguide.com/agentops-tools/): A five-layer map of the 2026 AgentOps market, with 13 tools for instrumentation, observability, evals, gateways, and guardrails, plus pricing, licenses, and ownership changes.
- [12 Best AI Agent Observability Tools in 2026: Tracing to Alerts](https://agentopsguide.com/best-ai-agent-observability-tools/): We compared 12 AI agent observability tools on tracing, OpenTelemetry, evals, alerts, cost tracking, self-hosting, and pricing, with sourced prices as of October 2026 and a pick for every team type.

## Pages
- [Careers](https://agentopsguide.com/careers/): Careers at AgentStack
- [Media Kit](https://agentopsguide.com/media-kit/): AgentStack Media Kit
- [LLM Info](https://agentopsguide.com/llm-info/): This page gives AI assistants, answer engines, language models and search engine crawlers a short, structured summary of AgentStack: what it is, what it covers, how its articles are produced and how to cite them. For the longer version, see our About page.
- [Cookie Policy](https://agentopsguide.com/cookie-policy/): Last updated: October 19, 2026
- [Disclosure](https://agentopsguide.com/disclosure/): Last updated: October 19, 2026
- [Terms of Service](https://agentopsguide.com/terms-of-service/): Last updated: October 19, 2026
- [Write for Us](https://agentopsguide.com/write-for-us/): We publish contributions from people who have built, bought or run AI systems inside real organizations. AgentStack readers are operators, and they can tell when a piece comes from experience. If you have done the work and can explain what you learned, we would like to hear from you.
- [Editorial Standards](https://agentopsguide.com/editorial-standards/): AgentStack exists to help leaders make better decisions about AI agents, copilots, AI platforms and workflow automation. That only works if readers can trust what we publish. This page explains how we choose topics, research, test, disclose paid relationships, correct mistakes and use AI in our own workflow.
- [Advertise](https://agentopsguide.com/advertise/): AgentStack is written for AI, operations and product leaders who are evaluating AI agents, copilots, agent frameworks, AI platforms and workflow automation tools. Our coverage is built around buying and deployment decisions, so it attracts readers who are researching, comparing or shortlisting. If your product serves teams that build, buy or run AI in production, we would like to talk.
- [Contact](https://agentopsguide.com/contact/): Do you have a question, a correction, a news tip or an idea for working together? We would like to hear from you. AgentStack covers AI agents, copilots, AI platforms and workflow automation for the people who deploy them, and reader feedback shapes what we write next.
- [About](https://agentopsguide.com/about/): AgentStack is an independent publication for AI, operations and product leaders who are responsible for making enterprise AI work. We cover AI agents, copilots, AI platforms and workflow automation with sourced, practical analysis. Every piece is written to help you decide what to build, what to buy and how to run it once it is live.
- [Home](https://agentopsguide.com/): Latest
- [Privacy Policy](https://agentopsguide.com/privacy-policy/): Last updated: October 19, 2026

## Categories
- [Agent Frameworks](https://agentopsguide.com/topics/agent-frameworks/): Frameworks and SDKs for building AI agents, compared by people who ship them.
- [Agent Security](https://agentopsguide.com/topics/ai-governance/agent-security/): Security risks of AI agents and the tools that reduce them.
- [AgentOps](https://agentopsguide.com/topics/agentops/): Running agents in production: observability, evaluation, gateways and cost control.
- [AI Gateways](https://agentopsguide.com/topics/agentops/ai-gateways/): LLM and MCP gateways for routing, cost control and policy.
- [AI Governance & Security](https://agentopsguide.com/topics/ai-governance/): Governance, security and risk for enterprise AI agents.
- [Evals & Testing](https://agentopsguide.com/topics/agentops/agent-evals/): How to evaluate and test AI agents before and after launch.
- [Launches](https://agentopsguide.com/topics/news/launches/): Product launches and major releases in AI agents and copilots.
- [MCP](https://agentopsguide.com/topics/agent-protocols/mcp/): Model Context Protocol explained for teams: servers, clients, gateways and security.
- [MCP & Agent Protocols](https://agentopsguide.com/topics/agent-protocols/): MCP, A2A, agent skills and the standards that connect agents to tools and to each other.
- [News & Analysis](https://agentopsguide.com/topics/news/): What changed this week in enterprise AI agents and why it matters.
- [Observability](https://agentopsguide.com/topics/agentops/agent-observability/): Tracing and monitoring for AI agents in production.