open-circle/valibot

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The modular and type safe schema library for validating structural data 🤖

Stars: 9k
Forks: 383
Open beginner issues: 5
Indexed issues: 88
Avg merge: 4d 18h
Merged PRs (30d): 16

Dominant language: TypeScript
License: MIT
Last GitHub push: Sep 19, 2026
Latest indexed: Sep 20, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

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88 open issues indexed

perf: skip the full scan in min*/max* string-metric actions when String#length already settles the verdict Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

open-circle/valibot#1650 · 1 comment · 1 reaction · Opened Sep 18, 2026
Support for record key picklist convert to JSON Schema Open

Difficulty 3/5 1-2 days Newbie friendliness 72/100

open-circle/valibot#1646 · 1 reaction · Opened Sep 16, 2026
IBAN Validation Open

Difficulty 3/5 1-2 days Newbie friendliness 62/100

open-circle/valibot#1644 · 3 reactions · Opened Sep 14, 2026
record accepts arrays and returns them as objects Open

intended

open-circle/valibot#1630 · 2 comments · 1 reaction · 1 assignee · Opened Sep 9, 2026
docs: add some number and date validations helpers Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

open-circle/valibot#1624 · 1 comment · 1 reaction · Opened Sep 8, 2026
Type inference on `filterItems` when using type predicates Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

open-circle/valibot#1618 · 1 reaction · Opened Sep 5, 2026
Using methods / schemas / actions in check() Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 38/100

open-circle/valibot#1605 · 1 reaction · Opened Aug 26, 2026
Allow object merging for optional Open

question

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

open-circle/valibot#1603 · 1 reaction · Opened Aug 24, 2026
Validate if the string is trimmed (e.g. `isTrimmed`) Open

enhancement

open-circle/valibot#1587 · 5 comments · 2 reactions · 2 assignees · Opened Aug 10, 2026
Add JsonValue schema Open

enhancement

open-circle/valibot#1585 · 10 comments · 3 reactions · 1 assignee · Opened Aug 9, 2026
Support console.clear in playground Open

enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 88/100

open-circle/valibot#1578 · 1 reaction · Opened Aug 5, 2026
Revert `CLAUDE.md` symlink for Windows users Open

workaround

Difficulty 1/5 Under an hour Newbie friendliness 85/100

open-circle/valibot#1576 · 1 reaction · Opened Aug 5, 2026
docs: add `"type": "http"` to `.mcp.json` example Open

documentation

Difficulty 1/5 Under an hour Newbie friendliness 78/100

open-circle/valibot#1564 · 3 comments · 1 reaction · Opened Jul 24, 2026
feat: Add OpenTelemetry instrumentation package (@valibot/otel) Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

open-circle/valibot#1546 · 3 reactions · Opened Jul 17, 2026
Security: Improving OpenSSF Scorecard Rating for Enterprise Compliance (Targeting 7.0+) Open

enhancement priority

open-circle/valibot#1541 · 3 comments · 1 reaction · 1 assignee · Opened Jul 15, 2026
TS2589: Type instantiation is excessively deep when consuming InferOutput types across package boundaries via .d.ts Open

bug

Difficulty 5/5 Over a week Newbie friendliness 45/100

open-circle/valibot#1518 · 3 comments · 1 reaction · Opened Jun 21, 2026
@valibot/to-json-schema - add support for Async schemas Open

enhancement

open-circle/valibot#1515 · 3 comments · 2 reactions · 1 assignee · Opened Jun 19, 2026
Codemod mangles z.partial Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 68/100

open-circle/valibot#1503 · 1 comment · 2 reactions · Opened Jun 13, 2026
Codemod cannot convert z.extend Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 55/100

open-circle/valibot#1502 · 1 comment · 2 reactions · Opened Jun 13, 2026
Codemod breaks z.brand Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 65/100

open-circle/valibot#1501 · 2 reactions · Opened Jun 13, 2026
Codemod silently ignores zod/v4-mini Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 55/100

open-circle/valibot#1500 · 1 comment · 2 reactions · Opened Jun 13, 2026
Remove minified files from the package Open

enhancement

open-circle/valibot#1499 · 1 comment · 2 reactions · 1 assignee · Opened Jun 12, 2026
Feature Request: RFC 3339 `duration` Validator Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 65/100

open-circle/valibot#1497 · 1 comment · 1 reaction · Opened Jun 10, 2026
Feature Request: RFC 3339 `time` Validator Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 65/100

open-circle/valibot#1496 · 1 reaction · Opened Jun 10, 2026
picklistAsync Open

question

open-circle/valibot#1495 · 2 comments · 1 reaction · 1 assignee · Opened Jun 10, 2026
Proposal: To be able to easily run `@valibot/i18n` in Playground as well Open

enhancement

open-circle/valibot#1487 · 1 comment · 1 reaction · 2 assignees · Opened May 30, 2026
(i18n) Improve Japanese `ja.ts` error messages to be japanese friendly Open

enhancement

open-circle/valibot#1486 · 2 comments · 2 reactions · 1 assignee · Opened May 30, 2026
Proposal: Add a new package `@valibot/web-standards` Open

enhancement

open-circle/valibot#1484 · 5 comments · 1 reaction · 2 assignees · Opened May 29, 2026
Proposal: Add a new package `@valibot/config-loader` Open

enhancement

open-circle/valibot#1473 · 13 comments · 2 reactions · 2 assignees · Opened May 24, 2026
Proposal: ESM-Only Distribution Open

next version tooling

open-circle/valibot#1467 · 1 comment · 5 reactions · 1 assignee · Opened May 18, 2026
`forward(partialCheck(...))` fails to infer valid paths on merged generic object schemas Open

question

open-circle/valibot#1459 · 4 comments · 1 reaction · 1 assignee · Opened Apr 28, 2026
Improve Default Validation Messages for Forms and APIs Open

enhancement next version

open-circle/valibot#1453 · 5 comments · 12 reactions · 1 assignee · Opened Apr 14, 2026
Add `or`, `oneOf` or `some` action/method for OR logic between pipe actions Open

enhancement

open-circle/valibot#1446 · 3 reactions · 1 assignee · Opened Apr 4, 2026
The decimal check doesn't support scientific notation. Open

enhancement

open-circle/valibot#1445 · 8 comments · 2 reactions · 1 assignee · Opened Apr 3, 2026
Feature Request: redact / sensitive action Open

enhancement

open-circle/valibot#1440 · 5 comments · 3 reactions · 1 assignee · Opened Mar 24, 2026
Valibot 50/75% slower in `safeParse` than `zod` / `typebox` Open

performance priority

open-circle/valibot#1408 · 8 comments · 2 reactions · 1 assignee · Opened Feb 22, 2026
Consider changing input type of object schemas with Valibot v2 Open

enhancement intended next version

Difficulty 5/5 Over a week Newbie friendliness 25/100

open-circle/valibot#1389 · 4 comments · 3 reactions · Opened Jan 6, 2026
`v.record()` accepts arrays at runtime but TypeScript types reject them Open

enhancement next version

open-circle/valibot#1387 · 10 comments · 1 assignee · Opened Jan 5, 2026
`v.multipleOf` does not handle some non-integer inputs well Open

question

open-circle/valibot#1375 · 4 comments · 1 assignee · Opened Dec 20, 2025
Recursive schemas Open

enhancement priority

open-circle/valibot#1362 · 15 comments · 1 reaction · 1 assignee · Opened Nov 24, 2025
`AnyValibotSchema` utility type Open

question

open-circle/valibot#1356 · 2 comments · 1 reaction · 1 assignee · Opened Nov 19, 2025
Allow ISO 8601 timestamps with local time in `isoTimestamp` action Open

enhancement

open-circle/valibot#1355 · 7 comments · 1 reaction · 2 assignees · Opened Nov 18, 2025
Should InferInput return a type that is deep readonly? Open

enhancement next version

open-circle/valibot#1346 · 7 comments · 2 reactions · 1 assignee · Opened Nov 6, 2025
Standard schema contract violation Open

fix

open-circle/valibot#1343 · 7 comments · 1 reaction · 1 assignee · Opened Oct 29, 2025
The v.message validator doesn't work when v.setSchemaMessage is being used Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 50/100

open-circle/valibot#1340 · 6 comments · 1 reaction · Opened Oct 23, 2025
Improve `summarize()` to show nested validation errors Open

enhancement question

open-circle/valibot#1337 · 9 comments · 6 reactions · 1 assignee · Opened Oct 14, 2025
Is `object` a footgun? Open

documentation feedback

open-circle/valibot#1325 · 4 comments · 3 reactions · 1 assignee · Opened Sep 29, 2025
Support for more String transformation actions Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 45/100

open-circle/valibot#1324 · 2 reactions · Opened Sep 28, 2025
is it possible to implement short type extraction from schema to function incoming parameter? Open

question

open-circle/valibot#1323 · 2 comments · 1 reaction · 1 assignee · Opened Sep 28, 2025
union parse only get first item default value Open

question

open-circle/valibot#1317 · 5 comments · 2 reactions · 1 assignee · Opened Sep 21, 2025

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