# usesignal-dev

**Canonical:** https://apis.io/providers/usesignal-dev/  
**Website:** https://usesignal.dev/  
**APIs profiled:** 1

useSignal offers a suite of free, browser‑based tools that require no registration. Users can download video or audio from URLs, record screen or voice, compress and merge PDF files, generate QR codes, and format or beautify JSON data. All tools run client‑side, ensuring privacy and quick results, and are accessible via a clean web interface at usesignal.dev.

## Kin Score — 17.0 / 100 (emerging)

Scored 2026-11-06 under rubric 0.27.0. Trend: falling (-10.4 from 27.4).

| Facet | Score |
|---|---|
| Discoverability | 65.0 |
| Contract Quality | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 2.6 |
| Developer Ergonomics | 25.0 |
| Access Clarity | 22.4 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 19.6 (matched via fallback).

## Agent readiness — 6.3 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | documented |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | yes |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |
| Pagination Ratio | na |
| Operation Distinctiveness | na |
| MCP Tool Quality | na |

## Access

Open access — onboarding: open, pricing: unknown, trial: no (confidence: low).

## APIs (1)

- **usesignal MCP** — Machine Control Protocol (MCP) providing tool definitions for useSignal utilities.

## MCP servers (1)

- **usesignal-dev MCP Server** — Remote MCP server at www.usesignal.dev.

## Security (2)

- **Usesignal Dev Authentication** — 0 schemes
- **Usesignal Dev Domain Security** — TLSv1.3 · HSTS

## Tags

Free Tools, Video, Audio, PDF, QR Codes, JSON

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/usesignal-dev/). Scores are computed from the provider's own public artifacts under a published rubric.