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 skills add harness/harness-skills --skill manage-rolesgit clone --depth 1 https://github.com/harness/harness-skillsWrote 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/harness/harness-skills/manage-roles)<a href="https://agentmods.dev/skills/harness/harness-skills/manage-roles"><img src="https://agentmods.dev/badge/skills/harness/harness-skills/manage-roles/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.
<a href="https://agentmods.dev/skills/harness/harness-skills/manage-roles"><img src="https://agentmods.dev/badge/skills/harness/harness-skills/manage-roles.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 5.1 | $0.00113 | $0.01411 |
| Opus 5 | $0.00056 | $0.00705 |
| Sonnet 5 | $0.00023 | $0.00282 |
| Haiku 4.5 | $0.00011 | $0.00141 |
Grade A, and why
manage-roles 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 11d 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.
Copies of this mod
1 near-identical copy found in the catalogue:
- manage-roles — 100% identical, 0 lines differ
How it starts
The opening of the file, as written. The whole thing — 190 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Manage Roles Skill
Manage Harness RBAC (Role-Based Access Control) via MCP v2 tools.
MCP v2 Tools Used
| Tool | Resource Type | Operations |
|---|---|---|
harness_list |
role |
List all roles |
harness_get |
role |
Get role details |
harness_create |
role |
Create custom role |
harness_update |
role |
Update custom role |
harness_delete |
role |
Delete custom role |
harness_list |
role_assignment |
List role assignments |
harness_get |
role_assignment |
Get assignment details |
harness_list |
permission |
List available permissions |
harness_get |
permission |
Get permission details |
harness_list |
resource_group |
List resource groups |
harness_get |
resource_group |
Get resource group details |
harness_describe |
role |
Discover role schema |
harness_search |
-- | Search across role-related resources |
For built-in roles (account/org/project/module), resource groups, common permissions, and role assignment structure, consult references/builtin-roles.md.
Instructions
Step 1: Understand Requirements
Determine:
- Who needs access (user email, group ID, or service account ID)
- What level of access (admin, developer, viewer, executor, custom)
- Where (account, org, project scope)
- Which resources (all or specific resource group)
Step 2: List Existing Roles
harness_list(
resource_type="role",
org_id="<org>", # optional
project_id="<project>", # optional
search_term="<keyword>" # optional
)
Step 3: Check Current Assignments
harness_list(
resource_type="role_assignment",
org_id="<org>",
project_id="<project>"
)
Step 4: List Available Permissions (for custom roles)
harness_list(resource_type="permission")
Step 5: Create Custom Role (if needed)
harness_create(
resource_type="role",
org_id="<org>",
project_id="<project>",
body={
"identifier": "custom_deployer",
"name": "Custom Deployer",
"description": "Can execute pipelines and view services",
"permissions": [
"core_pipeline_execute",
"core_pipeline_view",
"core_service_view",
"core_environment_view"
]
}
)
What ships with it
1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- 11d ago First seen · 190 lines · 113 tokens per session scan A 6ead1bea6ea8
manage-roles is a skill published in the GitHub repository harness/harness-skills (105 stars, last pushed 2d ago), licensed Apache-2.0. It adds 113 tokens to every session and 1,411 once invoked, about $0.0006 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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