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Agent Reliability

Open JSONConfidence: Auto-collectedLast updated 2026-09-14

Current Answer

No editorial synthesis yet — the evidence below is collected automatically from source labels. A current answer lands here once an editor approves one.

Evidence

LinkedInSocial ThreadNeeds Review
Rolling out agents behind evals — an operator’s playbook
Concrete staged-rollout playbook with numbers — but the claimed win rates are not yet source-linked.
Corrupt Plans, Clean Traces: Evading Chain-of-Thought Monitoring with Plan Injection
arXiv · 2026-09-14

Plan injection can make an actor follow adversarial instructions while producing reasoning that looks benign to a monitor. Agent builders should treat chain-of-thought inspection as one signal, not a security boundary.

Stellar Colosseum: A Many-Agent Harness for Long-Horizon Research in Mathematics and Theoretical Computer Science
arXiv · 2026-09-14

Stellar Colosseum coordinates parallel strategy search, falsification, decomposition, and verifier feedback for long research tasks. Its harness patterns may transfer to agents handling interdependent coding work.

Vulnerability Localization Benchmark: Measuring Agentic Security Analysis at Repository Scale
arXiv · 2026-09-14

VLoc Bench isolates whether security agents can find vulnerable files across real repositories. Its low scores argue for testing localization and post-fix restraint separately from patch generation.

We let an AI agent execute Bash and lived to talk about it — Sarah Sanders, PostHog
AI Engineer · 2026-09-14

PostHog treats every context source as part of an agent’s supply chain, scanning at build and use time while reserving blocking decisions for deterministic controls.

Every step you take, every call you make: the reliable agent stack — Giselle van Dongen, Restate
AI Engineer · 2026-09-14

Long-running agents need durable state, retries, cancellation, and human approval that survive deploys. Restate demonstrates these as infrastructure concerns rather than prompt logic.

Tokens Should Have Jobs — Katelyn Lesse & Angela Jiang, Anthropic
AI Engineer · 2026-09-14

On Anthropic's financial-analysis bench, assigning tokens to adviser, grader, or memory roles beat pure execution at a fixed budget. Agent topology may matter as much as token count.

Perplexity trusts GPT-6 Astra with end-to-end systems
OpenAI · 2026-09-14

Perplexity says Astra can handle software changes and production monitoring with fewer check-ins, suggesting a higher autonomy ceiling for operational agents.

Building ambitious software — Jonathan Kelley, Dioxus Labs & Cognition
AI Engineer · 2026-09-11

Dioxus found that generating more Rust was easy but merging it was not. Agents paid off on bounded research and maintenance work when architecture, real-device tests, and line-by-line review stayed human-owned.

How Tailscale built a customer-facing model router on AI Gateway
Vercel · 2026-09-11

Tailscale tied model access and ephemeral agent sandboxes to network identity, without issuing keys to agents. It is a concrete pattern for combining gateways, access control, and isolated execution.

Can Edge-Deployable Vision-Language Models Identify Species?
arXiv · 2026-09-10

For edge vision, specialized training outweighed model size: 300M-parameter BioCLIP beat 2–8B VLMs, while field imagery degraded every model and open-set prompts produced invented species.

Domain-Specific Hallucination Detection in Large Language Models
arXiv · 2026-09-10

A calibrated DeBERTa detector scored well on HaluEval but transferred poorly to biomedical claims. Builders should tune hallucination checks to their domain instead of trusting a general evaluator.

Mousepower: agents that can’t be measured, can’t be managed. — Maximillian Piras, Yutori
AI Engineer · 2026-09-10

Token counts do not show whether an agent was worth running. Define outcomes and cheap acceptance checks first, then reserve agents for work that is uncertain to execute but relatively easy to verify.

The Design-Code Roundtrip That Isn't — Jonathan Gordon, ReWeaver AI
AI Engineer · 2026-09-10

Design-to-code agents can silently introduce security, accessibility, and fidelity drift. Scan both artifacts with deterministic checks, review proposed fixes, and catch divergence before merge.

Build with OpenAI Agents API on Vercel
Vercel · 2026-09-10

Vercel pairs OpenAI-managed agent sessions with isolated, persistent Sandboxes, using signed webhooks and queues for reconnection and scaling workers to zero.

The exact tools used to port a massive codebase in days #programming #typescript #dev
AI Engineer · 2026-09-09

A reported weekend Python-to-TypeScript port shows how agent-driven iteration can make once-prohibitive migrations plausible, provided verification is part of the loop.

Forgetting Only What Matters: Layer-Selective Unlearning toward Robust LLMs
arXiv · 2026-09-09

FOM-UL targets model layers that affect unwanted memories while sparing retained knowledge, and reports that forgetting survives 8-bit and 4-bit quantization better than baselines.

How long can your skills be before your agent forgets what you told it? — Laurie Voss, Arize AI
AI Engineer · 2026-09-09

Instruction capacity rose sharply, but long skill files still need evals. Current models can track thousands of constraints, with large differences by model, wording, and order.

Your agents lack context: Here's how to fix "You're absolutely right!" — Brandon Waselnuk, Unblocked
AI Engineer · 2026-09-09

In one same-prompt test, a context engine nearly halved agent token use. The design goal is targeted, permission-aware retrieval that resolves conflicts across engineering systems.

Procedural Graphs: Self-Evolving Execution Structures for LLM Agents
arXiv · 2026-09-08

Procedural Graphs externalize an agent’s workflow, guide each action from the relevant subgraph, and refine the structure from failed and working runs. This targets drift and repeated tool mistakes on long tasks.

Co-Evolving Harnesses and Models: On-Policy Correction Helps Weaker Models Catch Up Where Imitation Fails
arXiv · 2026-09-08

Full expert-trajectory imitation can break the fit between a weaker model and its evolved harness. Correcting only the failing turn preserved the model’s planning style across seven enterprise tasks.

ExecCritic: Learn to Test, Test to Improve for Coding Agents
arXiv · 2026-09-08

ExecCritic separates test writing from repair and freezes qualified tests before code changes. On SWE-bench Verified, weak generated tests hurt resolution, while separately trained roles reached 72.6%.

MeClear: Cooperative Game-Theoretic Attribution and Risk-Aware Memory Clearance for Long-Horizon LLM Agents
arXiv · 2026-09-08

MeClear suppresses memories that hurt the current task, using cooperative attribution to expose conflicts that single-memory removal can miss, while leaving the persistent memory bank unchanged.

Same Trajectory, Contradictory Rewards (ROBORMBENCH): Paraphrase Fragility in Vision Language Reward Models
arXiv · 2026-09-04

Semantically equivalent instructions can make VLM reward models score identical robot behavior differently. Agent evaluators should test paraphrase invariance, not assume model scale or reasoning fixes it.

Necessary or Sufficient? Evaluating LLM Explanations With Behavioural Evidence
arXiv · 2026-09-04

LLMs' stated top decision factors only weakly tracked factors shown to affect outputs. For agent oversight, validate explanations with controlled interventions before using them for escalation.

When LLM Decompilers Recompile More and Preserve Less
arXiv · 2026-09-04

LLM decompilers can produce compilable C that passes shipped tests while changing behavior or hiding crashes. Validate reconstructed code against the original with shared fuzzed inputs.

Does Your Agent's Memory Survive a Model Upgrade? A Controlled Study of Memory Portability
arXiv · 2026-09-04

Agent memory can break across model upgrades even when the store is unchanged. Test migrations by direction, rebuild embeddings completely, and retain raw histories for repair.

Clean Engineering, Unstable Measurement: A Preregistered Reliability Failure of Black-Box LLM Observers on Shared Endpoints
arXiv · 2026-09-03

A 52,988-request audit found black-box LLM judges too unstable for preregistered gates. Measure repeatability first, and pilot the judge before fixing evaluation thresholds.

SWE-Gate: Passing Functional Tests Is Not Enough for Software Engineering Agents
arXiv · 2026-09-03

SWE-Gate shows why green tests are an incomplete agent-eval signal: 221 of 644 functionally passing repairs still violated constraints derived from code review.

From Deceptive Outputs to Deceptive Mechanisms: A Causal Framework for Language-Model Deception Research
arXiv · 2026-09-03

A causal framework separates deceptive-looking model output from the mechanism producing it, giving agent evaluators a stricter basis for claims about intent or agency.

SENTINEL-RL: Offloading Topological Reasoning from LLM Agents in the Security Operations Center
arXiv · 2026-09-03

Sentinel-RL keeps topology outside the LLM: a graph encoder and constrained policy choose SOC actions, while the model writes critic-gated narratives for human approval.

From coding to Knowledge work agents — Karan Vaidya, Composio
AI Engineer · 2026-09-03

Knowledge-work agents need code-like infrastructure around tools: centralized context, action records, verification, enforced permissions, and preflight checks for irreversible work.

Safety overview: GPT-6 Astra
OpenAI · 2026-09-03

GPT-6 Astra is OpenAI's first model rated Critical for cybersecurity capability under its Preparedness Framework, a material consideration for security-sensitive agent access and controls.

User Feedback Provides a Unique Signal that LLMs Can not Detect
arXiv · 2026-09-02

User feedback helps models repair targeted faults, but LLM judges often miss those repairs. Agent evals should retain human feedback and avoid treating model preference as ground truth.

The Implications of Linguistic Illegibility for LLM Security
arXiv · 2026-09-02

Language-based monitoring cannot fully reveal an agent’s internal computation, the paper argues. Secure agent runtimes still need isolation and data-flow controls independent of self-reporting.

Large Language Models (LLMs) for Telecom Root Cause Analysis (RCA): A Structured Reasoning Framework for Evidence-Grounded Diagnosis
arXiv · 2026-09-02

A telecom diagnosis pipeline structures telemetry before forcing a decision path and evidence-grounded explanation. The pattern is relevant to agents reasoning over heterogeneous operational data.

Dutch Books for Language Models
arXiv · 2026-09-02

A label-free Dutch-book test finds internally inconsistent probabilities from language models, especially when prompts add logical complexity or irrelevant context.

SafeEvolve: Harness-Policy Co-Evolution from Agent Experience for Safety Alignment
arXiv · 2026-09-02

SafeEvolve turns completed agent trajectories into reversible harness updates and policy training, linking runtime safeguards with learned multi-step behavior.

Beyond the Lethal Trifecta: Agentic Commerce on the Open Internet — David Levine, Kiduna Club
AI Engineer · 2026-09-01

This talk proposes legally registered agent organizations, scoped JWT authority, and blockchain audit trails for open-internet commerce; it is an architecture proposal, not validation.

Agent Spending Without Controls — Rodrigo Coelho & Pranav Maheshwari, Edge & Node
AI Engineer · 2026-09-01

Paid agent tools turn a skill file into spending authority. Builders need budgets, transaction logs, and counterparty screening before letting agents purchase data or services unattended.

x402 isn’t good (yet) — Jan Curn, Apify
AI Engineer · 2026-09-01

x402 servers can perform work before payment settlement, leaving a double-spend window. Builders should settle first or accept explicit counterparty risk until stronger schemes mature.

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