BC grand-bazaar-swap

Perform and document Grand Bazaar P2P swaps on Base using deployed AirSwap Swap contracts. Includes repeatable workflows for approvals, EIP-712 signing, cast/deeplink posting, execution, and verification across ERC20/ERC721/ERC1155 routes.

modbender/skill-library-mcp Agent Skills author: modbender MIT 11 files body ≈ 4 154 tokens Open the sourcegithub.com↗ analyzed 2 d ago

Perform and document Grand Bazaar P2P swaps on Base using deployed AirSwap Swap contracts.

As a process C 50/100 · Has gaps — weak spots: result and completion, inputs and preconditions, running it twice

Procedure Infrastructure Sales and CRMtype and topics are labelled automatically from the skill text

Runs in: OpenClaw Claude / Claude Code ChatGPT / Codex Gemini CLI Cursor GitHub Copilot / VS Code Qwen Code Kimi Code CLI Z.ai (GLM) DeepSeek (Deep Code) Mistral Vibe LangChain (deepagents) Goose OpenCode

JSON

Technical rating

75/100

safety, quality, tests

Safety 60%: 75
Quality 40%: 75
Run on models: none yet

Process rating

50/100

Has gaps

Result and completion w 14: 0
Inputs and preconditions w 11: 0
Running it twice w 4: 30

the three weakest of ten parameters · all ten

How to improve

Say in the description WHEN to use the skill ("use when…", example requests): that is the agent's main cue.

For the model run — optional

Your own cases (evals/evals.json, 4–6 real requests with expected answers): the full check would then run those instead of a model-drafted suite.
A spec.yaml with trigger phrases and assertions — a behaviour contract for CI; `skilltest init` writes a template.

Guard findings · 25

✓ No critical or high findings

Medium and low: 25

low Secrets in code secret-high-entropy-token references/base-mainnet-deployments.md:7

High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
```
- ERC20 sender Swap: `0x8a…A57`
```
quoted
low Secrets in code secret-high-entropy-token references/base-mainnet-deployments.md:9

High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
```
- ERC721 sender Swap: `0x2a…C4d`
```
quoted
low Secrets in code secret-high-entropy-token references/base-mainnet-deployments.md:11

High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
```
- ERC1155 sender Swap: `0xD1…5cf`
```
quoted
low Secrets in code secret-high-entropy-token references/base-mainnet-deployments.md:16

High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
```
- protocolFeeWallet: `0xdb…91c`
```
quoted
low Secrets in code secret-high-entropy-token references/base-mainnet-deployments.md:19

High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
```
- ERC2…er: `0x46…954` kind `0x36372b07`
```
quoted
low Secrets in code secret-high-entropy-token scripts/package-lock.json:90

High-entropy token-like string (may be an id, hash or a credential) (detector / deny-list definition)
```
"integrity": "sha512-GhH/abcC…hoN+uBNo…mU1+t8xT…EBA==",
```
detector
low Secrets in code secret-high-entropy-token scripts/package-lock.json:173

High-entropy token-like string (may be an id, hash or a credential) (detector / deny-list definition)
```
"integrity": "sha5…Z4v+DkGoC42/TS2ond+PARCxTJvgTFUNDZovyQ/uAQ4…g7A==",
```
detector
low Secrets in code secret-high-entropy-token scripts/package-lock.json:327

High-entropy token-like string (may be an id, hash or a credential) (detector / deny-list definition)
```
"integrity": "sha5…6I6+jvuq…Pqq+JZ0T…Rng==",
```
detector
low Secrets in code secret-high-entropy-token scripts/package-lock.json:347

High-entropy token-like string (may be an id, hash or a credential) (detector / deny-list definition)
```
"integrity": "sha5…GmY+zPPWTC+wQrp…jmH+yCS3…njA==",
```
detector
low Secrets in code secret-high-entropy-token scripts/package-lock.json:421

High-entropy token-like string (may be an id, hash or a credential) (detector / deny-list definition)
```
"integrity": "sha5…zbE+oCZYyY+3Zh8…sCw==",
```
detector
low Secrets in code secret-high-entropy-token scripts/README.md:18

High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
```
- ERC20 sender kind `0x36372b07` -> `0x8a…A57`
```
quoted
low Secrets in code secret-high-entropy-token scripts/README.md:19

High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
```
- ERC721 sender kind `0x80ac58cd` -> `0x2a…C4d`
```
quoted
low Secrets in code secret-high-entropy-token scripts/README.md:20

High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
```
- ERC1155 sender kind `0xd9b67a26` -> `0xD1…5cf`
```
quoted
low Secrets in code secret-high-entropy-token scripts/sender_execute_order.js:8

High-entropy token-like string (may be an id, hash or a credential) (detector / deny-list definition)
```
const SWAP_DEFAULT = '0x8a…A57';
```
detector
low Secrets in code secret-high-entropy-token scripts/sender_execute_order.js:9

High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
```
const SWAP_ERC721 = '0x2a…C4d';
```
quoted
low Secrets in code secret-high-entropy-token scripts/sender_execute_order.js:10

High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
```
const SWAP…155 = '0xD1…5cf';
```
quoted
low Secrets in code secret-high-entropy-token scripts/signer_make_order.js:7

High-entropy token-like string (may be an id, hash or a credential) (detector / deny-list definition)
```
const SWAP_DEFAULT = '0x8a…A57';
```
detector
low Secrets in code secret-high-entropy-token scripts/signer_make_order.js:8

High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
```
const SWAP_ERC721 = '0x2a…C4d';
```
quoted
low Secrets in code secret-high-entropy-token scripts/signer_make_order.js:9

High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
```
const SWAP…155 = '0xD1…5cf';
```
quoted
low Secrets in code secret-high-entropy-token scripts/signer_make_order.js:86

High-entropy token-like string (may be an id, hash or a credential)
```
function comp…Web(fullOrder) {
```
low Secrets in code secret-high-entropy-token scripts/signer_make_order.js:204

High-entropy token-like string (may be an id, hash or a credential)
```
const compressedOrder = comp…Web(fullOrder);
```
low Secrets in code secret-high-entropy-token scripts/test_weth_usdc_swap.js:5

High-entropy token-like string (may be an id, hash or a credential) (test fixture / example file; quoted — discussed, not commanded)
```
const SWAP = process.env.SWAP_ADDRESS || '0x8a…A57';
```
fixturequoted
low Secrets in code secret-high-entropy-token scripts/test_weth_usdc_swap.js:7

High-entropy token-like string (may be an id, hash or a credential) (test fixture / example file; quoted — discussed, not commanded)
```
const USDC = process.env.USDC_ADDRESS || '0x83…913';
```
fixturequoted
low Secrets in code secret-high-entropy-token SKILL.md:11

High-entropy token-like string (may be an id, hash or a credential) (detector / deny-list definition)
```
- ERC20<>ERC20 -> `SwapERC20` on Base `0x95…3F4`
```
detector
low Secrets in code secret-high-entropy-token SKILL.md:190

High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
```
- verifyingContract: `0x95…3F4`
```
quoted

Files scanned: 11. Evidence is masked. Grey chips explain why severity was lowered.

Against the Agent Skills spec

warning description-no-when description does not say WHEN to use the skill (no "use when")

Process rating: all ten parameters 50/100

0Result and completion. Does not say what the result is
0Inputs and preconditions. Does not say what the process needs to start
30Running it twice. 75 mutating operations with no state check
50When it triggers. No condition that starts the skill
50Failures and branches. 0 branches, has a failure section
60Tools and files. Uses tools (bash, node) that frontmatter does not declare
70Execution cost. Instruction body is 4154 tokens
85Steps. 217 steps, 1 vague phrases
100Consistency. Name and required fields are in place
100Progress reporting. Reports progress

medium Safety rules and hard prohibitions inside a skill: they belong in the system prompt, here they protect nothing
low The response is described with custom markup (19 tags): a typed call is more reliable

Everything here is measured from the skill text rather than judged by a model, so the numbers are checkable. A parameter weighs more when it is a more common reason for the process to stall.

Quality signals

+5Description has no quoted example phrases that should trigger the skill
+4Description does not say when NOT to use the skill (false activations)
+3Output format is not stated: the model decides each time
+4No input/output examples
+1No license
+2Single-language instructions
+3Description length 239: enough signal without eating the budget
+4Structure: 18 headings
+3Step-by-step instructions: 217 items
+4Reference files are cited in the instructions (2 of 2)
+3All 5 scripts are documented

Quality base 70; lint remarks subtract, signals add up to 100. Result: 75.

Tests

— no evals.json

— no spec.yaml

— not run on models

Files · 11

SKILL.md 17K
references/base-mainnet-deployments.md 1K
references/pricing-params.md 2K
scripts/README.md 4K
scripts/make_cast_payload.js 4K
scripts/package-lock.json 33K
scripts/package.json 0K
scripts/post_cast_farcaster_agent.js 1K
scripts/sender_execute_order.js 9K
scripts/signer_make_order.js 8K
scripts/test_weth_usdc_swap.js 7K

Dates

In catalog since —

Updated in catalog 16 Jun 2026

First seen here 7 Sept 2026

Last analysis 11 Sept 2026, 17:20 UTC

Last seen in crawl 22 h ago

Score history

Date		Score	Safety	Qual.
7 Sept 2026	B	75	75	75

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