Register AI agent identity on Ethereum via ERC-8004 Trustless Agents standard
74
63%
Does it follow best practices?
Impact
Pending
No eval scenarios have been run
Advisory
Suggest reviewing before use
Optimize this skill with Tessl
npx tessl skill review --optimize ./src/skills/bundled/erc8004/SKILL.mdQuality
Discovery
40%Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.
The description identifies a clear, specialized niche (ERC-8004 on Ethereum) which makes it distinctive, but it lacks completeness by omitting explicit trigger guidance. The single action mentioned (register identity) doesn't fully convey the skill's capabilities, and the technical jargon may miss users who describe their needs in more general terms.
Suggestions
Add a 'Use when...' clause with trigger terms like 'register agent on blockchain', 'ERC-8004', 'trustless agent identity', 'on-chain AI agent'
Expand the capability description to include additional actions if applicable (e.g., 'verify agent identity', 'query registered agents', 'manage agent credentials')
Include natural language variations users might say, such as 'blockchain agent registration', 'decentralized agent identity', or 'smart contract agent setup'
| Dimension | Reasoning | Score |
|---|---|---|
Specificity | Names a specific domain (Ethereum, ERC-8004) and one action (register AI agent identity), but doesn't list multiple concrete actions or capabilities beyond registration. | 2 / 3 |
Completeness | Describes what it does (register AI agent identity) but completely lacks a 'Use when...' clause or any explicit trigger guidance for when Claude should select this skill. | 1 / 3 |
Trigger Term Quality | Includes technical terms like 'ERC-8004', 'Ethereum', 'AI agent identity' that knowledgeable users might use, but missing common variations like 'blockchain identity', 'agent registration', 'on-chain identity', or 'trustless agent setup'. | 2 / 3 |
Distinctiveness Conflict Risk | Very specific niche combining ERC-8004, Trustless Agents standard, and Ethereum - unlikely to conflict with other skills due to the highly specialized domain. | 3 / 3 |
Total | 8 / 12 Passed |
Implementation
87%Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.
This is a well-structured, concise skill that provides actionable commands and concrete details like contract addresses and JSON schemas. The main weakness is the lack of a clear end-to-end workflow with validation checkpoints - users don't know how to verify their registration succeeded or handle common failure scenarios like insufficient gas.
Suggestions
Add a step-by-step registration workflow with explicit validation: 1) Check wallet balance, 2) Register, 3) Verify transaction, 4) Confirm agent ID was minted
Include error handling guidance for common failures (insufficient gas, transaction reverted, network issues)
| Dimension | Reasoning | Score |
|---|---|---|
Conciseness | Content is lean and efficient - no unnecessary explanations of what Ethereum or ERC standards are. Every section serves a purpose with minimal padding. | 3 / 3 |
Actionability | Provides concrete commands with exact syntax, real contract addresses, complete JSON schema for registration files, and specific environment variable setup. Copy-paste ready. | 3 / 3 |
Workflow Clarity | Commands are listed but there's no clear workflow sequence for the registration process. Missing validation steps - no guidance on verifying registration succeeded or handling transaction failures. | 2 / 3 |
Progressive Disclosure | Well-organized sections with clear headers. Content is appropriately sized for a single file. External reference to website provided for deeper documentation. | 3 / 3 |
Total | 11 / 12 Passed |
Validation
90%Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.
Validation — 10 / 11 Passed
Validation for skill structure
| Criteria | Description | Result |
|---|---|---|
frontmatter_unknown_keys | Unknown frontmatter key(s) found; consider removing or moving to metadata | Warning |
Total | 10 / 11 Passed | |
2a8c94e
Table of Contents
If you maintain this skill, you can claim it as your own. Once claimed, you can manage eval scenarios, bundle related skills, attach documentation or rules, and ensure cross-agent compatibility.