# List Bulb

**Canonical:** https://apis.io/providers/listbulb/  
**Website:** https://listbulb.com/  
**APIs profiled:** 2

List Bulb is a hand‑reviewed AI and SaaS directory that helps founders and product teams discover, launch, and promote their tools. The platform offers a searchable catalog, pricing information, and a developer portal with an MCP server and OpenAPI spec for integration. It also provides blog content, changelog, and resources for AI agents and crawlers, aiming to increase visibility through dofollow backlinks and community engagement.

## Kin Score — 39.3 / 100 (developing)

Scored 2026-10-23 under rubric 0.25.0.

| Facet | Score |
|---|---|
| Discoverability | 56.7 |
| Contract Quality | 24.8 |
| Contract Governance | 19.7 |
| Operational Transparency | 21.1 |
| Developer Ergonomics | 42.9 |
| Access Clarity | 63.2 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 22.7 (matched via fallback).

## Agent readiness — 25.4 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | documented |
| Auth Clarity | bearer |
| Idempotency | documented |
| Error Semantics | no |
| OpenAPI Examples | partial |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| 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 | no |
| Operation Distinctiveness | distinct |

## APIs (2)

- **List Bulb API** — API for List Bulb directory
- **List Bulb API** — List Bulb API as documented publicly: 5 operations. Contract generated from the documentation by API Evangelist (2026-10-18); not the provider's own document.

## MCP servers (1)

- **List Bulb MCP Server** — Remote MCP server at www.listbulb.com.

## Security (2)

- **Listbulb Authentication** — 1 scheme
- **Listbulb Domain Security** — TLSv1.3 · HSTS · DMARC

## Plans (1)

- **Listbulb Plans Pricing**

## Tags

Company, Artificial Intelligence, Software-as-a-Service, Directory, Startups

---

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