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.
npx agentmods add skills/elibarak12/elliot/run-evalnpx skills add EliBarak12/Elliot --skill run-evalgit clone --depth 1 https://github.com/EliBarak12/ElliotWrote 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.
[](https://agentmods.dev/skills/elibarak12/elliot/run-eval)<a href="https://agentmods.dev/skills/elibarak12/elliot/run-eval"><img src="https://agentmods.dev/badge/skills/elibarak12/elliot/run-eval.svg" alt="Measured on agentmods" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00036 | $0.00970 |
| Opus 5 | $0.00018 | $0.00485 |
| Sonnet 5 | $0.00007 | $0.00194 |
| Haiku 4.5 | $0.00004 | $0.00097 |
Grade A, and why
run-eval 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 4d ago.
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.
How it starts
The opening of the file, as written. The whole thing — 92 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Run Eval Workflow
Available eval suites
!ls connectors/*.eval.yaml .elliot/eval/*.json 2>/dev/null || echo "(no eval suites found — see example at connectors/my-saas.eval.yaml)"
Steps
1. Find or create the eval suite
elliot_run_eval accepts either:
path— a path to an*.eval.yaml(preferred) or*.jsonsuite file, ORsuite_id— the bare id of a JSON suite under.elliot/eval/<id>.json.
If a *.eval.yaml already lives next to the connector, call
elliot_run_eval(path="connectors/<slug>.eval.yaml").
If none exists, offer to create one. The canonical shape is YAML:
name: My Connector Evals
connector: my-connector
version: "1.0.0"
cases:
- id: list-items-no-filter
description: Returns at least one row with the expected fields
tool_id: list_items
arguments: {}
expect:
no_error: true
min_rows: 1
fields_present: [id, name]
max_token_estimate: 500
- id: list-items-rejects-bad-status
description: A bad enum value is rejected, not silently ignored
tool_id: list_items
arguments: { status: not-a-real-status }
expect:
error_code: INVALID_PARAM_VALUE
Cover the error paths, not just the happy path. A tool that returns good
rows for good input but silently accepts bad input is not agent-ready — the
agent gets an empty or wrong result with no signal. Add at least one case per
tool that asserts a bad argument is rejected: set expect.error_code to the
code you expect (INVALID_PARAM_VALUE for a bad enum/bound, MISSING_PARAM for
an omitted required param, UNKNOWN_PARAM for a stray key). The case passes only
if the tool raises that code, and fails if the call succeeds — so you prove the
contract rejects what it should. (In a legacy JSON suite the equivalent is
"expect_error": "INVALID_PARAM_VALUE" on the case.)
Evaluate your skills, not just your tools. A deterministic skill is served
as one callable tool, so a case's tool_id can name a skill id — the runner
executes the whole step chain end-to-end (each step bound to the last) and the
same expect block applies to the skill's final output. Add a case for every
multi-step workflow you ship (fields_present on the fields the last step
should return, max_token_estimate on the one-call cost) so a connector's
headline workflows are validated before publish, not just their individual
steps.
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.
- 4d ago First seen · 92 lines · 36 tokens per session scan A 0127d0b6d238
run-eval is a skill published in the GitHub repository EliBarak12/Elliot (11 stars, last pushed 4d ago), licensed MIT. It adds 36 tokens to every session and 970 once invoked, about $0.0002 per session on Opus 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 2026-08-30.
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