--- title: Cloudflare launches Meerkat on QuePaxa consensus, MCP... description: Cloudflare introduced Meerkat, a globally consistent control-plane service built on the QuePaxa consensus algorithm, which avoids leader election entirely and... canonical: https://daily.dev/posts/cloudflare-launches-meerkat-on-quepaxa-consensus-mcp-async-tasks-still-have-no-client-support-yccq7gvhv twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Cloudflare launches Meerkat on QuePaxa consensus, MCP async tasks still have no client support | daily.dev og:description: Cloudflare introduced Meerkat, a globally consistent control-plane service built on the QuePaxa consensus algorithm, which avoids leader election entirely and... og:url: https://daily.dev/posts/cloudflare-launches-meerkat-on-quepaxa-consensus-mcp-async-tasks-still-have-no-client-support-yccq7gvhv og:image: https://api.daily.dev/og/posts/YCCq7gVhv.png og:image:alt: Cloudflare launches Meerkat on QuePaxa consensus, MCP async tasks still have no client support og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Cloudflare launches Meerkat on QuePaxa consensus, MCP async tasks still have no client support **[Backend Digest](https://daily.dev/sources/backend_digest)** · 4 min read · 0 upvotes · 0 comments ## Summary Cloudflare introduced Meerkat, a globally consistent control-plane service built on the QuePaxa consensus algorithm, which avoids leader election entirely and has been tested with up to 50 worldwide replicas. On the MCP front, Temporal's Cornelia Davis gave a clear-eyed breakdown of why no agent client has implemented MCP Tasks async yet, and previewed the V2 spec that should fix the core scalability problems. Atlas v1.3 shipped a security graph for databases with blast-radius tracing and 8-10x faster schema tests on PostgreSQL. The weekly roundup also confirmed that GitHub retired its Models service and AWS moved first-gen Bedrock Agents to maintenance mode for new customers. ## Content **TLDR:** Cloudflare introduced Meerkat, a globally consistent control-plane service built on the QuePaxa consensus algorithm, which avoids leader election entirely and has been tested with up to 50 worldwide replicas. On the MCP front, Temporal's Cornelia Davis gave a clear-eyed breakdown of why no agent client has implemented MCP Tasks async yet, and previewed the V2 spec that should fix the core scalability problems. Atlas v1.3 shipped a security graph for databases with blast-radius tracing and 8-10x faster schema tests on PostgreSQL. The weekly roundup also confirmed that GitHub retired its Models service and AWS moved first-gen Bedrock Agents to maintenance mode for new customers. --- ## Cloudflare Meerkat brings leaderless global consensus via QuePaxa Cloudflare built Meerkat, an internal control-plane service using QuePaxa, a consensus algorithm that lets all replicas accept writes without leader election or timeout-based failover. That's a meaningful departure from Raft and Paxos, which both depend on a leader and suffer availability hits during wide-area network partitions. Meerkat exposes a transactional key-value store and a leasing system on top of a globally replicated log, with linearizable reads and writes guaranteed. It's completed proofs of concept with up to 50 replicas worldwide but isn't in production yet — and the community is already pushing for the formal spec to be open-sourced. [Read more](https://daily.dev/posts/1KMJ2uzCd) ## MCP async tasks (V1) don't scale, V2 spec due to fix it Cornelia Davis from Temporal laid out exactly why MCP Tasks V1 has zero client implementations: a stateful task list endpoint that doesn't scale horizontally, and a session-based elicitation protocol that's too complex to implement correctly. The V2 spec, which was due in July, drops the task list entirely and replaces session-based input-required interactions with a stateless signal-style update endpoint. A FastMCP-based reference implementation is planned to lower the adoption bar. If you're building agents that need human-in-the-loop approval or multi-step async workflows, this is the spec to watch. [Read more](https://daily.dev/posts/e6nHIQGhQ) ## Atlas v1.3 ships database security graph and 8-10x faster PostgreSQL schema tests Atlas v1.3 adds a security graph that maps permissions, misconfigurations, and CVEs across your database with blast-radius tracing — useful for understanding the actual attack surface rather than just running point-in-time audits. Schema tests on PostgreSQL are 8-10x faster in this release. Other additions include Atlas Scripts for DataOps-as-code (backfills, GDPR purges, transactional mutations with masked queries), pre-apply drift detection to block deployments when the live database diverges from expected state, and lock-safe NOT NULL migrations. New drivers cover Azure HorizonDB and YugabyteDB GA. [Read more](https://daily.dev/posts/XcV6HiYKZ) ## GitHub Models retired, AWS first-gen AI services moved to maintenance mode The weekly roundup confirmed two managed-service lifecycle events worth tracking: GitHub fully retired its Models service, and AWS moved Bedrock Agents, Kendra, and Q Business to maintenance mode for new customers. The MCP Go SDK also shipped a stateless protocol rewrite (version 2026-07-28) that removes session IDs and enables standard load balancing — a quiet but significant change for anyone running Go-based MCP servers behind a load balancer. [Read more](https://daily.dev/posts/p1fcBez5E) --- ## Also notable - **Kakehashi runs Darwin ARM64 binaries on Linux aarch64 with ~5x syscall overhead, 10-12x cheaper CI:** Kakehashi is a Rust userspace translation layer that loads macOS Mach-O binaries on Linux aarch64 without JIT, verified working with 7-Zip and curl — the syscall overhead is roughly 5x wall-time on heavy workloads, but Linux arm64 runners are 10-12x cheaper per minute than macOS runners, so the economics can still favor it for CI pipelines. [Read more](https://daily.dev/posts/aea6BxBNK) - **Metastability research: two independent queue controllers can create positive feedback loops under overload:** A paper presented at ICCCN'26 used MESSI, a Go discrete-event simulator, to show that two independently correct concurrency controllers sharing a CPU can reward ticket churn over real progress under overload — the fix was freezing the long queue's ticket count and using a single controller with an ungameable signal. [Read more](https://daily.dev/posts/hVjD1hRfq) - **Mu exposes 67 real internet tools behind a single MCP endpoint as a self-hostable Go binary:** Mu is an AGPL-3.0 Go binary that runs its own mail server (SMTP with DKIM), search index, file storage, and app sandbox, exposing all 67 tools through one MCP config entry — adding a new Go package automatically surfaces it across the web app, CLI, and bot interfaces with no extra wiring. [Read more](https://daily.dev/posts/Ds58V1VJP) - **Octopus Connection Agent enables outbound-only port-443 tunnels to internal systems, capped at 5 connections:** The Octopus Connection Agent is a Docker container that initiates outbound-only connections over port 443 using JWT-signed private keys, letting Octopus Cloud reach GitHub Enterprise, Artifactory, and other internal systems without inbound firewall rules — currently limited to 5 internal resource connections per agent. [Read more](https://daily.dev/posts/4XQjIs230) ## Similar posts on daily.dev - [Cloudflare Introduces Meerkat for Strongly Consistent Global Coordination](https://daily.dev/posts/cloudflare-introduces-meerkat-for-strongly-consistent-global-coordination-1kmj2uzcd) · InfoQ · 0 upvotes · 0 comments - [Introducing Meerkat: an experiment in global consensus](https://daily.dev/posts/introducing-meerkat-an-experiment-in-global-consensus-mbu3nmsdl) · Cloudflare · 0 upvotes · 0 comments --- Tags: [#backend](https://daily.dev/tags/backend), [#mcp](https://daily.dev/tags/mcp), [#distributed-systems](https://daily.dev/tags/distributed-systems), [#cloudflare](https://daily.dev/tags/cloudflare) [View this post on daily.dev](https://daily.dev/posts/cloudflare-launches-meerkat-on-quepaxa-consensus-mcp-async-tasks-still-have-no-client-support-yccq7gvhv) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"DiscussionForumPosting","mainEntityOfPage":"https://daily.dev/posts/cloudflare-launches-meerkat-on-quepaxa-consensus-mcp-async-tasks-still-have-no-client-support-yccq7gvhv","headline":"Cloudflare launches Meerkat on QuePaxa consensus, MCP async tasks still have no client support","text":"Cloudflare introduced Meerkat, a globally consistent control-plane service built on the QuePaxa consensus algorithm, which avoids leader election entirely and has been tested with up to 50 worldwide replicas. 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