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Fillament

fillament.dev·Infrastructure

Fillament is an open-source React form library designed for the agent-driven web. It enables developers to build type-safe forms that expose machine-readable validation errors and integrate with AI agents and WebMCP tools. Ideal for developers building modern, AI-compatible web applications.

Open Source
WebCLISelf-hosted
F
Fillament preview
Visit fillament.dev↗

Overview

6 features

Fillament sits in PulseGate's Frameworks & SDKs category. It simplifies building robust, agent-compatible forms in React with type safety and AI-driven validation. It is built as an open-source project for react developers. Fillament is open source under the Open Source license. The product ships for the web and the command line, and it can be self-hosted.

Fillament first shipped in 2024. Key capabilities include type-safe forms, AI-native validation, and machine-readable errors. It exposes integrations via an MCP server.

  • ✓Type-safe forms
  • ✓AI-native validation
  • ✓Machine-readable errors
  • ✓WebMCP agent tools
  • ✓React integration
  • ✓Open source

Tags

react-formsai-nativetype-safe-validation

AI capabilities

Structured

Built with & integrations

Connectors
MCP
Runs on
BrowserCLISelf-hosted

Trust & compliance

LicenseOpen Source
Verified signals
✓ HTTPS✓ Open Source✓ Free tier

Recent events

Latest indexed changes and source events

  1. IndexedJul 1, 7:12 AM

    AI-native Formik alternative form library verified by the PulseGate indexer

    Source: PulseGate indexerOpen ↗

Frequently asked questions about Fillament

What does Fillament do?
Fillament simplifies building robust, agent-compatible forms in React with type safety and AI-driven validation. It is catalogued under Frameworks & SDKs on PulseGate.
Who is Fillament for?
Fillament is an open-source project built for react developers.
Is Fillament free?
Yes — Fillament is open source under the Open Source license and free to use.
What platforms does Fillament run on?
Fillament runs on the web and the command line. It can also be self-hosted.
Is Fillament still maintained?
PulseGate's liveness checks currently classify Fillament as active.
What are alternatives to Fillament?
Similar tools tracked by PulseGate include FormFiller, FillApp, and FillKit.FormFillerFillAppFillKit
When did Fillament launch?
Fillament first shipped in 2024.
Is Fillament open source?
Yes — Fillament is open source under the Open Source license.

At a glance

Pricing
Open Source
Platforms
Web
Languages
English
License
Open Source
First seen
Oct 15, 2024
Activity
🟢 Active
Status
🟢 Active
Built for
React developers
Model
Open source
Solves
Simplifies building robust, agent-compatible forms in React with type safety and AI-driven validation.

Developer

Fillament

Live coverage

Confidence
Medium · 73
Indexed
Jul 1, 2026
Lifecycle
Alive
Activity
Active
First seen
Oct 2024
Last seen
3w ago
Identity audit (9)
Entity ID
cmr1qoz0219rujltg33ygm1sv
Slug
ai-native-formik-alternative-form-library-fillament-dev
Verification state
Indexed for public listing
Claim / listing state
Unclaimed · listed: yes
Index status
Included in index
Latest evidence snapshot
Jul 1, 2026
Timeline basis
Indexed-at chronology (no inferred launch/funding milestones).
Last updated
Jul 1, 2026
Canonical URL
https://fillament.dev/

Similar apps

Other apps tracked under the same category.

  • FormFiller
    formfillerapp.com
  • FillApp
    fillapp.ai
  • FillKit
    fillkit.dev
  • MockFill
    mockfill.com
  • Fillwise
    fillwise.ai
  • Forms reinvented
    nativeform.app