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 necatiarslan/awsclaw --skill awsclaw-stsgit clone --depth 1 https://github.com/necatiarslan/awsclawWrote 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/necatiarslan/awsclaw/awsclaw-sts)<a href="https://agentmods.dev/skills/necatiarslan/awsclaw/awsclaw-sts"><img src="https://agentmods.dev/badge/skills/necatiarslan/awsclaw/awsclaw-sts.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 5.1 | $0.00033 | $0.01533 |
| Opus 5 | $0.00016 | $0.00766 |
| Sonnet 5 | $0.00007 | $0.00307 |
| Haiku 4.5 | $0.00003 | $0.00153 |
Grade A, and why
awsclaw-sts 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 8d 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 — 130 lines — stays where its author put it; the contents beside it link to each section on GitHub.
awsclaw-sts
Use the STSTool language tool in VS Code to manage AWS STS (Security Token Service) operations — identity verification, role assumption, temporary credentials, and authorization debugging.
When to Use
- User wants to verify their AWS identity (who am I?)
- User wants to assume an IAM role
- User wants to get temporary security credentials
- User wants to decode an encoded authorization failure message
- User wants to get a federation token
- User wants to look up account info for an access key
- User needs SAML or web identity token-based role assumption
Tool Reference
Tool name: STSTool
Input Schema
{
"command": "<CommandName>",
"params": { ... }
}
Commands (10 total)
| Command | Description |
|---|---|
| AssumeRole | Assume an IAM role and get temporary credentials |
| AssumeRoleWithSAML | Assume a role using a SAML assertion |
| AssumeRoleWithWebIdentity | Assume a role using a web identity (OIDC) token |
| DecodeAuthorizationMessage | Decode an encoded authorization failure message |
| GetAccessKeyInfo | Get the account ID for an access key |
| GetCallerIdentity | Get the identity of the calling credentials (account, ARN, user ID) |
| GetDelegatedAccessToken | Get a delegated access token |
| GetFederationToken | Get temporary credentials for a federated user |
| GetSessionToken | Get temporary session credentials (with optional MFA) |
| GetWebIdentityToken | Get a web identity token for a role |
Parameters
| Parameter | Type | Description |
|---|---|---|
| RoleArn | string | IAM role ARN (Required by: AssumeRole, AssumeRoleWithSAML, AssumeRoleWithWebIdentity, GetDelegatedAccessToken, GetWebIdentityToken) |
| RoleSessionName | string | Session name for role assumption (Required by: AssumeRole, AssumeRoleWithWebIdentity, GetWebIdentityToken) |
| DurationSeconds | number | Token lifetime in seconds (Used by: AssumeRole, GetDelegatedAccessToken, GetFederationToken, GetSessionToken, GetWebIdentityToken) |
| ExternalId | string | External ID for cross-account role assumption (Used by: AssumeRole) |
| PolicyArns | array | Managed policy ARNs for session policies (Used by: AssumeRole, AssumeRoleWithWebIdentity, AssumeRoleWithSAML) |
| Policy | string | IAM policy JSON string for temporary credentials (Used by: AssumeRole, GetFederationToken) |
| TransitiveTagKeys | array | Session tag keys to set as transitive (Used by: AssumeRole) |
| SourceIdentity | string | Source identity for role chaining (Used by: AssumeRole) |
| Tags | array | Session tags as [{Key, Value}] (Used by: AssumeRole, GetFederationToken) |
| SAMLAssertion | string | Base64-encoded SAML authentication response (Required by: AssumeRoleWithSAML) |
| PrincipalArn | string | ARN of SAML provider (Required by: AssumeRoleWithSAML) |
| WebIdentityToken | string | Web identity (OIDC) token (Required by: AssumeRoleWithWebIdentity, GetWebIdentityToken) |
| ProviderId | string | Identity provider ID (Used by: AssumeRoleWithWebIdentity, GetWebIdentityToken) |
| EncodedMessage | string | Encoded authorization failure message (Required by: DecodeAuthorizationMessage) |
| AccessKeyId | string | AWS access key ID (Required by: GetAccessKeyInfo) |
| DelegationTokenLifetimeSeconds | number | Delegated token lifetime in seconds (Used by: GetDelegatedAccessToken) |
| Name | string | Session or federation token name (Required by: GetFederationToken) |
| SerialNumber | string | MFA device serial number (Used by: GetSessionToken) |
| TokenCode | string | MFA token code (Used by: GetSessionToken) |
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.
- 8d ago First seen · 130 lines · 33 tokens per session scan A 2518487b31da
awsclaw-sts is a skill published in the GitHub repository necatiarslan/awsclaw (1 stars, last pushed 3mo ago), licensed Apache-2.0. It adds 33 tokens to every session and 1,533 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 2026-08-31.
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