Sebastien Rousseau

CATEGORY

Open source

OSS in regulated banking — supply-chain trust, Rust, MCP, the projects banks rely on and ship.

4 tags

Tags in this category

  • Open source — 27 articles

    Open-source software in regulated banking — supply-chain risk, attestations, contribution policy, and the OSS projects banks rely on.

  • Rust — 21 articles

    Rust in banking infrastructure — memory safety, performance, and the ecosystem of crates relevant to financial workloads.

  • MCP — 8 articles

    Model Context Protocol — how AI clients discover and consume banking content as structured resources.

  • Static site generator — 1 article

    Static-site-generation patterns for editorial publishing — performance, security, and the build pipeline.

Recent articles in Open source

APPLIED AI

From Fragmentation to Fault Line: Corporate Banking's Missing API Standard in the Agentic Era

Retail banking got its API standard a decade ago. Corporate banking never did — and now that AI agents and the Model Context Protocol have turned integration into a runtime decision, the gap has stopped being a nuisance and become a fault line. A concrete failure mode, the strategic choice it forces, and what a corporate banking API standard has to mandate.

PAYMENTS & MONEY

Open Source, FINOS and the Cloud-Native CIB Stack

Morgan Stanley, JPMorgan and Citi are doubling down on FINOS and the Linux Foundation. A Rust-and-zero-dependency stack — noyalib, http-handle, hsh, KyberLib — shows what the cloud-native CIB stack looks like in 2026 under PSD3, FiDA and DORA.

PAYMENTS & MONEY

The 2026 Global Payments Outlook: Operating Model, Risk, and Revenue in an Agentic, Invisible, Real-Time World

The 2026 global payments cycle is defined by three converging forces — agentic commerce, invisible embedded payments, and real-time execution — sitting on top of a tokenised unified ledger under Project Agorá and a hard November 2026 SWIFT structured-address cut-over. This piece synthesises the J.P. Morgan, Global Payments, HSBC and Payments Association 2026 outlooks into a four-pillar G-SIB operating model.

POLICY & RESILIENCE

Why YAML Needs a Safer Rust Stack for AI, MCP, and Financial Infrastructure in 2026

NoyaLib is a safer Rust YAML stack — zero unsafe blocks, 406/406 YAML 1.2 spec compliance, lossless Concrete Syntax Tree, JSON-Schema (Draft 2020-12) validation, and MCP/WASM bindings — engineered for AI agents, Kubernetes, CI/CD, and the configuration control plane behind financial infrastructure.

INFRASTRUCTURE & CRYPTOGRAPHY

KyberLib and the Post-Quantum Banking Migration in 2026: From Standards to Code

KyberLib turns the post-quantum banking migration from policy paper into inspectable Rust — FIPS 203 ML-KEM key encapsulation, hybrid classical-plus-quantum handshakes, no_std compilation for HSMs, crypto-agile abstraction boundaries, and the DORA Article 5 governance evidence boards now need.

APPLIED AI

CloudCDN: An Open-Source Blueprint for the AI-Native Edge in 2026

CloudCDN is an open-source blueprint for the AI-native edge — a zero-trust MCP gateway with 42 tools, atomic Durable Objects rate limiting, WebAuthn passkeys, signed URLs, SLSA Level 3 provenance, and 3,185 tests at 100% coverage, mapped to DORA, BCBS 239, and Basel III.