Publications & Research Library

A production teardown of LangChain Agent Protocol (v0.1.6)—deconstructing the 5-router OpenAPI control plane, thread checkpoint branching, 9-channel RFC 8610 CDDL streaming, subgraph causation edges, and AST topological code generation.

A production teardown of langchain-mcp-adapters (v0.3.2)—analyzing stateless multi-server session multiplexing, onion ToolCallInterceptor composition, recoverable vs. fatal error routing, and bidirectional FastMCP schema synthesis.

A production teardown of LangChain's Open Deep Research agent—deconstructing bounded parallel researcher subgraphs, subgraph-level context compression, override_reducer state channels, progressive token-limit recovery, and RFC 8693 MCP OAuth token exchange.

A production teardown of LangChain's OpenWiki documentation engine—deconstructing the resumable .run.json page-job state machine, repo-lines-v1 evidence relocation, SHA-256 sidecar durability proofs, and defense-in-depth shell confinement.

An in-depth architectural teardown of langchain-mcp-adapters and MultiServerMCPClient—analyzing stdio and SSE transport multiplexing, dynamic JSON-RPC schema translation, request interception, and token refresh lifecycles.

A production teardown of Deep Agents and Deep Agents Code (dcode)—analyzing DeltaChannel O(N) checkpoint scaling, composite virtual filesystem routing, the 10-stage middleware engine, and terminal client-server architecture.

A production architectural teardown of Open-SWE—analyzing autonomous ReAct engineering cycles, Docker container sandbox isolation, terminal pseudo-TTY streams, and automated patch review.

A commit-pinned examination of autonomous agentic code refactoring architectures detailing tree-sitter AST symbol indexing, unified diff generation, and isolated sandbox execution loops.

A production teardown of DeerFlow 2.0—analyzing supervisor routing, sandboxed Docker execution, declarative SKILL.md parsing, deep research pipelines, and Postgres durable checkpointing.

An evidence-audited, 20-chapter interactive system breakdown deconstructing Chatwoot's multi-channel Webhook ActionController ingress, Sidekiq background job queues, PostgreSQL ACID transactions, ActionCable WebSocket Pub/Sub broadcasting over Redis, 3-tier memory RAG integration, Vue.js reactive state architecture, and AI ActionService Copilot streaming execution engine.

An evidence-audited, 4-chapter interactive system breakdown deconstructing CrewAI's Hierarchical Manager planning pipeline, 3-tier RAG memory architecture (ChromaDB vector embeddings + SQLite entity knowledge graphs), ReAct worker agent execution loops with Pydantic tool sandboxing, and structured TaskOutput validation pipelines.

An evidence-audited, 4-chapter interactive system breakdown deconstructing LangGraph's Pregel execution engine, TypedDict channel reducers (add_messages), state checkpointer serialization (MemorySaver/PostgresSaver), human-in-the-loop time-travel state rewinds, and multi-agent supervisor subgraphs.

An evidence-audited, 20-diagram interactive system breakdown tracing sequential commit log append (.log, .index, .timeindex), Linux sendfile() zero-copy page cache transfers, Producer RecordAccumulator memory pools, Consumer Group Cooperative Rebalancing, and KRaft quorum leader fencing.

An evidence-audited, 20-diagram interactive system breakdown tracing Apple MLX framework Unified Memory Architecture (UMA) zero-copy CPU/GPU buffer sharing, C++ Metal lazy evaluation graph compilation, SIMD group quantized weight unpacking, FlashAttention fast kernels, and multi-Mac distributed array parallel execution.

A commit-pinned examination of screen vision tokenization, OS input tool execution, zero-trust container sandboxing, PII redaction guardrails, and subagent IPC protocols.

A commit-pinned examination of Multi-Head Latent Attention, auxiliary-loss-free DeepSeekMoE, DualPipe overlap, FP8 tile quantization, and GRPO self-correction reasoning loops.

An evidence-audited, 20-diagram interactive system breakdown tracing API Server admission controllers, etcd watch multiplexing, Kube-Scheduler scoring loops, Controller Manager reconciliation, Envoy xDS dynamic configuration, and mTLS certificate renewal.

An evidence-audited, 20-diagram interactive system breakdown tracing GGUF super-block quantization (Q4_K_M, IQ4_XS), SIMD & FlashInfer CUDA kernel dequantization, SGLang RadixTree prefix caching, speculative decoding verification loops, and NUMA-aware CPU/GPU memory offloading.

An evidence-audited, 20-diagram interactive system breakdown tracing NVIDIA CUTLASS C++ template architecture, 4-level tile hierarchy (Global to Shared to Warp to Thread registers), asynchronous global memory copy (cp.async) pipelines, Tensor Core MMA (Matrix Multiply-Accumulate) PTX assembly execution, mainloop epilogue activation fusion, and dynamic grid swizzling for multi-GPU GEMM workloads.

An evidence-audited, 20-diagram interactive system breakdown tracing PyTorch dynamic autograd computational graph construction, C++ backward engine execution, DistributedDataParallel (DDP) Ring AllReduce gradient synchronization, bucket communication overlap, and DeepSpeed ZeRO-3 memory partitioning.

An evidence-audited, 20-diagram interactive system breakdown tracing Qiskit C++ Aer Gate Simulator statevector array representation, Quantum Circuit Transpilation DAG optimization passes, Parameterized Quantum Circuit (PQC) variational binding, Parameter Shift Rule exact analytical gradient evaluation, and Zero-Noise Extrapolation (ZNE) quantum error mitigation.

An evidence-audited, 20-diagram interactive system breakdown tracing Triton C++ Model Repository Manager dynamic loading, Dynamic Batch Scheduler ingress queuing (max_batch_size, max_queue_delay), Business Logic Scripting (BLS) ensemble execution, Multi-Instance CUDA IPC shared memory, and Prometheus metrics telemetry.

An evidence-audited, 20-diagram interactive system breakdown tracing vLLM BlockAllocator virtual KV cache memory block management, PagedAttention CUDA kernel non-contiguous VRAM lookup, Chunked Prefill prompt co-scheduling, CUDA Graph decode execution, and Grouped-Query Attention (GQA) memory bandwidth optimization.

A commit-pinned examination of the documented Codex rich-client protocol, terminal event loop, approval exchange, and platform sandbox boundary.

A commit-pinned examination of the vLLM V1 request path, scheduler, KV-cache manager, and GPU model runner without generalizing benchmarks.