fit-score

fit-score is a skill for Claude Code, Codex from microsoft/cat-agent-skills. It costs 164 tokens per session (1,343 once invoked), scanned A, original, MIT.

A rule-based scoring tool that compares staffing candidates with roles, including fit, capacity, and a provisional ranking. The ranking is not a final eligibility or conflict decision.

In plain words
What is it for?
It is for scoring candidate-role pairs, checking capacity across the engagement, and producing provisional ranks with their supporting inputs.
Why use it?
It gives staffing teams a consistent comparison before separate checks for conflicts, independence, and availability.

Skill for Claude CodeCodex ✓ vendor

Written for no agent in particular: nothing here depends on one.

Good fit It is for scoring candidate-role pairs, checking capacity across the engagement, and producing provisional ranks with their supporting inputs.

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Install with agentmods
npx agentmods add skills/microsoft/cat-agent-skills/fit-score
About the project

microsoft/cat-agent-skills is a static website that catalogs reusable instruction sets and related packages for AI agents. People use it to search, filter, rate, and download skills for Cowork, Copilot Studio, and Scout, along with Copilot plugins and Scout automations. The catalogue entries are the skills, instructions, plugins, and settings displayed by the site.

microsoft/cat-agent-skills · 101 stars · on GitHub

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add microsoft/cat-agent-skills --skill fit-score
Clone the repo
git clone --depth 1 https://github.com/microsoft/cat-agent-skills

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for fit-score

README.md
[![agentmods](https://agentmods.dev/badge/skills/microsoft/cat-agent-skills/fit-score/github.svg)](https://agentmods.dev/skills/microsoft/cat-agent-skills/fit-score)
Your own site
<a href="https://agentmods.dev/skills/microsoft/cat-agent-skills/fit-score"><img src="https://agentmods.dev/badge/skills/microsoft/cat-agent-skills/fit-score/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for fit-score

Your own site · 80×15
<a href="https://agentmods.dev/skills/microsoft/cat-agent-skills/fit-score"><img src="https://agentmods.dev/badge/skills/microsoft/cat-agent-skills/fit-score.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 164 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,343 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00164 $0.01343
Opus 5.5 $0.00066 $0.00537
Sonnet 5.5 $0.00033 $0.00269
Haiku 4.5 $0.00016 $0.00134

Measured yesterday against content hash f20c04dd045a, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

fit-score scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured yesterday.

The scan reads SKILL.md. This mod also ships 5 executable files (scripts/fit_score.py, scripts/input_guard.py, scripts/safety_text.py, …), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

submissions/engagement-staffing-bench-match/skills/fit-score/SKILL.md · 63 lines

How it starts

The opening of the file, as written. The whole thing — 63 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Fit Score

Purpose

Apply references/fit-scoring-rubric.md deterministically: component scores, total fit score, effective available capacity across the full role duration, utilisation after staffing and provisional rank for every candidate-role pair.

When to use

After bench-query and before constraint-check in every staffing run.

When NOT to Use

  • Drafting the partner-ready recommendation or "build me a slate" — use slate-draft instead.
  • Deciding eligibility, independence or conflicts — use constraint-check instead.
  • Scoring vendor proposals, RFP responses or anything other than candidate-role fit.

Inputs

roles.json + bench.json using contract ps.engagement-staffing-bench-match.v1.

Steps

  1. Validate that every role and candidate carries source, confidence and citation; flag missing rates. A duplicate candidate ID is an input error under independence-eligibility-rules.md #9.7: fit_score.py refuses it with one error: line and writes nothing, so stop and report that one-line error; never hand-build the output.
  2. Run the scoring engine.
  3. Run the ranking engine.
  4. Quote scores, components, utilisation and provisional rank verbatim. The model may explain the meaning but never recomputes a number.
  5. Hand off ranked.json to constraint-check.
python3 scripts/fit_score.py --roles roles.json --bench bench.json --out scored.json
python3 scripts/slate_rank.py --scored scored.json --out ranked.json

Tools

The bash tool runs the two bundled python3 engines; the file-read tool reads their JSON output. No connector writes.

Output format

scored.json (adds scored_roles[]) and ranked.json (adds ranked_roles[] with each role's candidate_slate[]). Summarise to the user as one markdown table per role, quoting engine values verbatim:

### <role_id> <role_title> — Provisional — pre-governance
| Provisional rank | Candidate | Fit score | Effective available % | Utilisation after staffing % | Citation |
|---|---|---|---|---|---|

Read the full file on GitHub · 63 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. yesterday First seen · 63 lines · 164 tokens per session scan A f20c04dd045a

Subscribe to this mod's changes

fit-score is a skill published in the GitHub repository microsoft/cat-agent-skills (101 stars, last pushed yesterday), licensed MIT. It adds 164 tokens to every session and 1,343 once invoked, about $0.0007 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-11-07.

Related

fit-score compared with skills from other repositories

fit-score next to 6 skills from other repositories
ModTypeStarsLast pushLicenceScanTokensWorks with
fit-scoremicrosoft/cat-agent-skillsSkill101yesterdayMITA164Claude Code, Codex
imagegenopenai/codexSkill134ktodayApache-2.0A113Codex
local-ai-agentsmicrosoft/ai-agents-for-beginnersSkill79kyesterdayMITA200Claude Code, Codex
playwright-climicrosoft/playwrightSkill100kyesterdayApache-2.0A19Claude Code
browser-automationopenclaw/openclawSkill394ktodayMITA36Claude Code
systematic-debuggingobra/superpowersSkill314k4d agoMITA21Claude Code
next-cache-components-adoptionvercel/next.jsSkill143ktodayMITA95Claude Code