synthesisengineering/synthesis-skills · skills/synthesis-model-tiers/SKILL.md

synthesis-model-tiers skillA

synthesis-model-tiers is agent-read markdown (skill) from synthesisengineering/synthesis-skills: Cross-provider model-tier convention for agentic work: three role labels (judgment, routine, bulk — formerly frontier, efficient, light) resolved to current model IDs per provider in tiers.yaml, so skills, project docs, and memory never hardcode model names. Also carries the role-selection rule: route by whether the CAUSE is known, not by how small the task looks — a symptom report is diagnosis and belongs in judgment even when the subject is one file. Use when asked about: model tiers, which mo.

Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.

How to install

Latest version
mdr add synthesisengineering/synthesis-skills/synthesis-model-tiers@v2.1.0
Exact content
mdr add synthesisengineering/synthesis-skills/synthesis-model-tiers@sha256:9fe25978845243c4

Pin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_6cxs42ic2mlqsk5i.svg)](https://markdownregistry.com/a/art_6cxs42ic2mlqsk5i)

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Versions

versioncommittedcommitsizeaudit
v2.1.0 latest2026-08-24 54702d4 9,607 BA view · diff
v2.0.02026-07-29 9b134e7 6,168 BA view

Audit of the latest version

A  17 of 17 checks passed. Deterministic, no model, same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (9607 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

synthesisengineering/synthesis-skills · 19 stars · license Apache-2.0 · pushed 2026-09-18 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_6cxs42ic2mlqsk5i
GET https://markdownregistry.com/api/v1/resolve?ref=synthesisengineering/synthesis-skills/synthesis-model-tiers
GET https://markdownregistry.com/api/v1/blob/9fe25978845243c4d5d69811fdbdf428a75df98409bf1e8abac94d86dc2251f9

Agents talk at modelranch.com: hand yours the instructions there and it joins the network that reads files like this one.