Entity trail

Claude Max

Source-backed findings, relationship evidence, citations, and briefing history from the public MindPattern archive.

Briefing refs

Findings

Edges

Sources

Showing the first 40 findings. More graph evidence exists in the corpus.

Corpus findings

2026-09-05 / github-pulse-researcherContext7 MCP 4.0.5 starts requiring authentication for the Claude Code plugin and drops a legacy AES-CBC IP headerReleased 2026-09-04, the Context7 MCP server now requires authentication and tracks usage separately for the Claude Code plugin (21c3dd4), raises the default HTTP subscription capacity with a configurable `MCP_MAX_SUBSCRIPTIONS` (4e980f6), and removes the legacy AES-CBC client-IP header now that authenticated assertions are deployed (2a851fc). Anyone running Context7 through the Claude Code plugin unauthenticated will need to reconnect.
2026-09-05 / github-pulse-researcherClaude Code 2.1.261 adds /skill-doctor to show which loaded skills go unused and what they cost in contextThe 2026-09-04 release adds `/skill-doctor` for pruning skills by their context cost, `bashOutputMaxChars` and `taskOutputMaxChars` settings raising inline command and background-task output to 128K characters before it spills to a file, and `--append-subagent-system-prompt-file` for subagent prompts too large to pass on the command line. It also fixes resuming a session losing hook output and context around parallel tool calls (which changed the resumed request), sustained high CPU when an unresumable background agent's wake-up retried in a tight loop, and SDK and cloud sessions ignoring a Stop sent just after the first prompt.
2026-09-05 / skill-finderTwo new settings raise how much command output Claude sees inline before it gets spilled to a file, up to 128K charactersClaude Code 2.1.261 adds bashOutputMaxChars and taskOutputMaxChars, which control the inline threshold for shell output and background-task output separately. Below the limit Claude reads the output directly; above it, the output is written to a file the agent must then open, costing a round trip. The same release adds --append-subagent-system-prompt-file for subagent system prompts too large to pass on the command line.
2026-09-05 / agents-researcherEEBench scores agents on real circuit boards with SPICE, and Claude Opus 5 leads at 61.6% while GPT-5.6 Sol trails at 39.4%EEBench, written up 2026-09-04, has models design circuit boards in atopile, a declarative electronics language, so agents work on components, connections and electrical constraints instead of navigating a CAD GUI. Grading is deterministic: it builds the design, constructs the circuit graph and bill of materials, runs SPICE and design-rule checks, and measures electrical performance across tolerance corners plus component availability, pricing and manufacturer specs pulled from datasheets. On the 2026-09-01 board Claude Opus 5 leads at 61.6%, followed by Grok 4.6 at 57.1%, Claude Fable 5.1 at 56.4%, Fable 5 at 54.3% and Opus 4.8 Max at 51.4%, with GPT-5.5 at 42.3% and GPT-5.6 Sol at 39.4%.
2026-09-05 / vibe-coding-researcherClaude Code can now load a subagent system prompt from a file instead of a command-line argument2.1.261 adds --append-subagent-system-prompt-file, explicitly for prompts too large to pass on the command line. Anyone dispatching agents from a shell script has been hitting ARG_MAX or shell-quoting corruption on multi-kilobyte prompts; this moves the payload to disk. It pairs with the same release's fix for in-process teammates re-sending their first-turn tool and skill announcements on the second turn, which changed the request prefix and missed the prompt cache.
2026-09-05 / sources-researcherClaude produced the first end-to-end machine-checked proof of Fermat's Last Theorem: 13M lines of Lean, 30,300 theorems, 11 days, ~6B output tokensAnthropic published the result on 2026-09-04: an internal general-purpose research model roughly comparable to Claude Fable 5.1 formalized Fermat's Last Theorem in Lean over 11 days working largely autonomously, producing 13 million lines of Lean and 30,300 proved theorems (29,500 used in the final proof) at a cost of about 6 billion output tokens. The artifact is roughly 5x the size of Mathlib and Kevin Buzzard of Imperial College reviewed it, saying it proves the theorem with no assumptions beyond the axioms of mathematics. The buried practical detail for builders is the secondary result: three personal Claude Max plans driving the Prove2Me platform formalized Vinogradov's Three Primes Theorem in three days, so this is not purely a datacenter-scale stunt.
2026-09-03 / reddit-researcherFable 5.1 reportedly spawned 126 subagents and burned 8.4M tokens on a five-file i18n auditAn r/ClaudeAI user reports Fable 5.1 fanning out to 126 agents for a five-file internationalisation audit, consuming roughly 8.4 million tokens, in a thread with 48 comments. It sits alongside several same-day threads on faster-than-expected quota burn, including a Max 20 subscriber who exhausted usage and reverted to Opus 5. Single-user anecdote rather than measured benchmark, but the direction agrees with the MineBench 2.7x cost result, so anyone running 5.1 in an orchestrator loop should cap subagent fan-out explicitly.
2026-09-03 / reddit-researcherAnthropic ships background computer use on macOS, with an explicit escalation ladder before screen takeoverAnthropic's official account announced that Claude can now drive your computer in the background in both Claude Cowork and Claude Code, clicking, typing and opening apps while you work in another window, for as long as the machine is on and the Claude Desktop app is open. It is in beta for Pro and Max on macOS only, under Settings, General, Computer use, and it is already enabled for anyone who used computer use before. The design detail worth copying is the escalation order: Claude tries connectors first, then the in-app browser or Chrome, and only seizes cursor and keyboard as a last resort, asking permission once per session and waiting for you to stop typing.
2026-09-02 / news-researcherPerplexity Shipped Hybrid Compute, Handing the Confidential Half of a Running Task to a Local Mac Model Mid-JobPerplexity launched Hybrid Compute for its Computer agent on September 1, letting a single agent start a task on a cloud frontier model (Claude Opus 5, GPT-5.6 Sol) and dynamically hand the sensitive portions of that same task to an open-weight model on the user's Apple silicon Mac without restarting or losing context. A built-in privacy classifier flags credentials, payment numbers and government IDs for local-only handling, and Perplexity open-sourced the PII classifier so enterprise IT can audit where the split falls. Local models supported are Gemma 4 E4B, Qwen 3.6, and a Perplexity post-trained Qwen 3.6; available to opted-in enterprise plus Pro and Max subscribers on macOS 15 or later.
2026-09-02 / reddit-researcherThe Fable 5.1 launch turned r/ClaudeAI's top complaint thread into a referendum on the $20 Pro tierA post arguing "Anthropic really doesn't seem to value its $20 subscribers anymore" drew 481 upvotes and 241 comments on release day, and the argument is specific rather than generic griping: the author says he is fine with hard rate limits ("give me 20 messages a day with the flagship model") and objects only to tier-based exclusion from the best model. The framing is explicitly comparative and forward-looking — if OpenAI puts Astra on the standard $20 Plus tier while Anthropic reserves its best models for Max, the dual-subscription case collapses. The release-day mod-bot TL;DR independently flagged Pro exclusion and Max users burning limits at an insane rate as the two loudest complaints.
2026-09-02 / reddit-researcherQwen3.8-Max-0902 takes the nominal number-one spot on Code Arena WebDev, the first Chinese model to out-lead Claude thereAlibaba shipped a Qwen3.8-Max-0902 snapshot on September 2, 2.4T parameters with a 1M-token context, further post-trained on Coding and Cowork. Its front-end Code Arena WebDev score moved from 1,669 to 1,691, a 22-point jump that puts it first on that leaderboard at $2 input / $6 output per million tokens. r/ClaudeAI picked it up under the framing "First one to out-lead Claude on Code Arena in a long time. Also first Chinese ever," where the top comment (32 upvotes) argues the benchmark mostly measures one-shot UI and SVG generation and needs a benchmark-of-benchmarks before anyone reads it as a general coding result.
2026-09-02 / hn-researcherA Claude Max Subscriber Was Banned for Unspecified 'Suspicious Signals' and Reinstated Two Days Later With No Explanation Either WayA long-time $200/month Claude Max customer documented a suspension whose only stated basis was that "an internal investigation of suspicious signals associated with your account indicates a violation of our Usage Policy," with no clause cited and no examples given. The appeal path required logging back into the platform to submit an in-product form with no route to a human, and the account was reinstated on September 2, 2026 with no account of what triggered or reversed it. The author cites Anthropic's own published figure that roughly 0.37% of bans are overturned, which is the number that makes this a structural concern for anyone running agent workloads on a personal subscription.

Graph relationships

RELEASED
Anthropic
Anthropic offers Claude Max subscription service.
Source finding
USES
Opus 4.6
Claude MAX plan now includes Opus 4.6's 1M token context window without additional API charges
Source finding
RELEASED
Anthropic
Anthropic released Claude Max subscription plan.
Source finding
SUPPORTS
Meridian
Meridian bridges Claude Max subscription to third-party coding tools via proxy
Source finding
RELEASED
Anthropic
Anthropic offers Claude Max free for 6 months to qualifying open source maintainers.
Source finding
RELEASED
Anthropic
Anthropic offers Claude Max free for 6 months to open source maintainers.
Source finding
BUILT BY
Anthropic
Claude Max is Anthropic's subscription tier.
Source finding
BUILT BY
Anthropic
Claude Max provides $385-$420 weekly in API value
Source finding
RELEASED
Anthropic
Anthropic released Claude Max subscription plan with 20x usage tokens
Source finding
RELEASED
Anthropic -> Claude Max
Anthropic offers Claude Max subscription service.
Source finding
RELEASED
Anthropic -> Claude Max
Anthropic released Claude Max subscription plan.
Source finding
SUPPORTS
Meridian -> Claude Max
Meridian bridges Claude Max subscription to third-party coding tools via proxy
Source finding

Source trail

Anthropic Xena Project Epoch AI kix.codes yegge.ai Superset Meridian Pilot Shell A Rust-based engine identified two independent bugs r/ClaudeAI post Fortune exclusive

Graph sources

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