Louis Choquel

Something quietly important happened in agent tooling this week and it is not another model release. Tom Dorr posted about Pipelex, a project that lets you declare AI procedures in a typed file format called .mthds instead of writing free form prompts or brittle glue code. Each step is explicit, every input and output is typed, and the pipeline is deterministic outside the parts where you actually want the model to think. Agents write the .mthds file, a human reviews it, Pipelex runs it. That review step is the whole point. A dozen teams are independently converging on this same problem: agents need a format they can reliably generate and re-execute, not vibes based prompting that drifts every time you touch it. LangGraph solved a version of it with graph based state machines and passed CrewAI in GitHub stars this year on the strength of audit trails and rollback points for compliance heavy workflows. Temporal and Dagster solved an earlier version for plain software pipelines, durable execution that survives a crash halfway through. Atlassian shipped Agentic Pipelines inside Bitbucket this year for the same reason, chores nobody wants to hand babysit, wrapped in something repeatable. What is different about Pipelex is the packaging. MTHDS is proposed as an open standard, with a language for typed concepts and pipes plus a package system with lock files and a federated registry, the same shape as npm or PyPI but for AI methods instead of code libraries. I keep coming back to a pattern from the early API economy: nobody won by having the best individual endpoint, they won by having the best schema everyone else agreed to build against. Stripe won payments on developer experience and a stable contract, not on being the only company that could move money. The bottleneck agent tooling has right now is not capability, it is repeatability. My read is that whoever defines the format teams standardize on for declarative agent workflows ends up owning more of the stack than whoever ships the flashiest autonomous demo. teapaw.org/tom_doerr/status/21029…