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cloudflare-hyperdrive

Cloudflare Hyperdrive for Workers-to-database connections with pooling and caching. Use for PostgreSQL/MySQL, Drizzle/Prisma, or encountering pool errors, TLS issues, connection refused.

58

Quality

73%

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tessl review fix ./plugins/cloudflare-hyperdrive/skills/cloudflare-hyperdrive/SKILL.md
SKILL.md
Quality
Evals
Security

Quality

Content

57%Weight 40%Scale 1-5

Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.

A lean, code-heavy skill with a solid Quick Start and real one-level-deep references, weakened by triplicated driver examples, a missing validate/test checkpoint in the setup workflow, and a Bundled Resources section that advertises template files that are not present in the bundle.

Suggestions

Add an explicit validation checkpoint to the Quick Start (e.g., step 5: run `wrangler dev` and confirm the query returns rows before deploying), with an error-recovery pointer to references/troubleshooting.md, to lift workflow clarity above the database-operations cap of 3.

De-duplicate the node-postgres example (Quick Start, Database Drivers, and Use Case 1 are near-identical) and merge the redundant Always/Never rule pairs into a single list, cutting tokens without losing coverage.

Fix the Bundled Resources section to match the actual bundle: remove or actually include the 9 nonexistent templates/ files, mention scripts/check-versions.sh, and link each reference file (e.g., drizzle-integration.md from the Drizzle section) where it is relevant instead of only in the footer.

DimensionReasoningScore

Conciseness

The body is mostly efficient — a tight Quick Start, no concept tutorials — but has avoidable duplication: the node-postgres example appears nearly verbatim three times (Quick Start, Database Drivers, Use Case 1), and the 'Never Do' list largely restates the 'Always Do' list in negative form ('Never skip nodejs_compat' vs 'Enable nodejs_compat'). This fits anchor 3 ('could be tightened') better than anchor 4, though it is not the padded over-explanation of anchor 2.

3 / 5

Actionability

The Quick Start gives copy-paste-ready commands and a complete worker example (`bunx wrangler hyperdrive create ...`, full fetch handler), and the driver/ORM sections are executable. It sits at anchor 4 rather than 5 because Use Cases 2 and 3 are code fragments (Use Case 2 references `client` and `request` with no enclosing handler, and there is no runnable example for query caching), leaving minor gaps.

4 / 5

Workflow Clarity

The Quick Start is a well-sequenced 4-step process (create config → binding → driver → query) with a 'Save the id!' checkpoint, but there is no validation or verification step in the flow for a database operation — no 'wrangler dev' test step, no error-recovery loop (the closest is a generic checklist at the bottom). Per the rubric's cap, database operations without feedback loops cannot score above 3.

3 / 5

Progressive Disclosure

Structure is promising — a 9-file references/ bundle with one-level-deep content, and setup-guide.md is explicitly signposted from the Quick Start — but the 'Bundled Resources' section lists a `templates/` directory with 9 files that does not exist on disk, while the existing `scripts/check-versions.sh` is never mentioned. Scored against the actual bundle, the navigation is misleading in places and the other references are only listed in a flat footer rather than linked from their relevant sections, which fits anchor 3 ('could be better organized') rather than 4.

3 / 5

Total

13

/

20

Passed

Description

78%Weight 40%Scale 1-5

Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.

A compact, well-formed description with an explicit 'Use for' trigger clause covering databases, ORMs, and common error symptoms. Trigger coverage is strong; the main gap is that the capability list is thin relative to what the skill actually covers.

DimensionReasoningScore

Specificity

The description names the domain ("Workers-to-database connections") and exactly two concrete actions ("pooling and caching"), which matches the anchor for 1-2 concrete actions but not comprehensive coverage. It does not list the fuller set of capabilities covered by the skill (driver setup, binding configuration, caching/TLS setup), so it falls below anchor 4's 'several specific actions'.

3 / 5

Completeness

It explicitly answers both: what ("Cloudflare Hyperdrive for Workers-to-database connections with pooling and caching") and when, with a concrete 'Use for' clause naming technologies and failure scenarios ("pool errors, TLS issues, connection refused"). This matches anchor 5's pattern of what + explicit concrete trigger phrases, and clearly exceeds anchor 4 where 'when' is only adequate.

5 / 5

Trigger Term Quality

Triggers include natural terms users would say: "PostgreSQL/MySQL, Drizzle/Prisma, pool errors, TLS issues, connection refused" — good coverage of databases, ORMs, and error phrases. A few natural terms are missing (e.g., 'Hyperdrive' itself beyond the name, 'Neon', 'Supabase', 'RDS', 'connection pooling' as a phrase), keeping it below anchor 5's comprehensive synonym/extension coverage.

4 / 5

Distinctiveness Conflict Risk

The niche is clear (Cloudflare Workers + database acceleration), so it is mostly distinct. Minor overlap risk remains: generic triggers like "pool errors, TLS issues, connection refused" could fire for ordinary database debugging unrelated to Hyperdrive or Workers, keeping it just below anchor 5.

4 / 5

Total

16

/

20

Passed

Validation

93%

Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.

Validation — 15 / 16 Passed

Validation for skill structure

CriteriaDescriptionResult

metadata_field

'metadata' should map string keys to string values

Warning

Total

15

/

16

Passed

Repository

secondsky/claude-skills

Path

plugins/cloudflare-hyperdrive/skills/cloudflare-hyperdrive/SKILL.md

Reviewed

Table of Contents

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