cost-measurement SKILL.md skillA
cost-measurement from gaia-research/gaia-skill-heaven is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add gaia-research/gaia-skill-heaven/cost-measurement@git:20260808.44f0e9dPins git:20260808.44f0e9d in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- gaia-research/gaia-skill-heaven
- Path
packages/core/skills/cost-measurement/SKILL.md- Versions recorded
- 1
- Latest version
- git:20260808.44f0e9d, committed Aug 8, 2026
- Size
- 4,881 bytes
- Repository stars
- 4
- License
- MIT
Measure token usage and USD cost for any Skill Heaven benchmark arm, dispatched worker, or session. Use whenever reporting spend, comparing the cost of two postures, or logging session token spend. Wraps gaia-research/skill-cost, the canonical cost basis for the whole ecosystem.
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# Cost Measurement **`gaia-research/skill-cost` is the canonical basis for every cost measure in the Gaia ecosystem.** Do not hand-roll token accounting, do not read harness JSONL yourself, and do not quote a price from memory. If a number is going into a report, it comes from here. Repo: <https://github.com/gaia-research/skill-cost> · registry id `gaia-research/skill-cost` --- ## Why this and not self-reported numbers `skill-cost` reads the **session logs the harness actually wrote** and prices every turn against [BerriAI/litellm](https://github.com/BerriAI/litellm)'s canonical `model_prices_and_context_window.json`, refreshed weekly. That means: - Numbers are **persisted usage**, not a model's guess about its own consumption. - Cache reads and cache writes are counted separately — which matters enormously, since cache reads routinely dominate total tokens and are priced very differently. - Every harness is priced the same way, so cross-harness arms are comparable. Asking a model how many tokens it used produces confabulation. Reading the log does not. --- ## Supported harnesses | Harness | Session storage | |---|---| | pi | `~/.pi/agent/sessions/**/*.jsonl` | …
Read the whole file at its exact version.
How to install
mdr add gaia-research/gaia-skill-heaven/cost-measurement@sha256:9beb1f36077270d5The line at the top of this page pins the label git:20260808.44f0e9d, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_h5ixa6g47b2bizd7)
3 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 1 version of this file, committed on Aug 8, 2026.
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (4881 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
gaia-research/gaia-skill-heaven · 4 stars · license MIT · pushed 2026-11-06 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_h5ixa6g47b2bizd7 GET https://markdownregistry.com/api/v1/resolve?ref=gaia-research/gaia-skill-heaven/cost-measurement GET https://markdownregistry.com/api/v1/blob/9beb1f36077270d5fa9bc69d4341cbadc612d5510e312cbb06ee09a98d386ce1
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.