name: Neuronto ARD Registry
description: Agentic Resource Discovery (ARD) index. One search covers this index and every other public ARD registry,
  and results carry the tools each MCP server actually exposes, read from its own tools/list. The index holds 15,412
  resources from 6,926 publishers, 14,522 verified to respond, and answers over REST, MCP and A2A with no key and no
  signup.
image: https://neuronto.com/icon.svg
url: https://raw.githubusercontent.com/api-evangelist/neuronto/refs/heads/main/apis.yml
created: '2026-08-31'
modified: '2026-09-07'
specificationVersion: '0.23'
tags:
- Agentic Resource Discovery
- ARD
- MCP
- A2A
- API Discovery
- Registry
apis:
- aid: neuronto:ard-registry
  name: Neuronto ARD Registry API
  description: 'Search, explore and audit Agentic Resource Discovery entries: MCP servers, A2A agents, OpenAPI services
    and documentation. REST, MCP and A2A answer from one index. No key, no signup.'
  image: https://neuronto.com/icon.svg
  humanURL: https://neuronto.com
  baseURL: https://neuronto.com
  tags:
  - Agentic Resource Discovery
  - ARD
  - MCP
  - A2A
  - API Discovery
  - Registry
  properties:
  - type: OpenAPI
    url: openapi/neuronto-openapi.json
  - type: Documentation
    url: https://neuronto.com/api-docs
  - type: MCPServer
    url: mcp/neuronto-mcp.yml
  - type: MCPServerCard
    url: https://neuronto.com/.well-known/mcp/server-card.json
  - type: ToolCrosswalk
    url: mcp/neuronto-tool-crosswalk.yml
  - type: AgentCard
    url: a2a/neuronto-a2a.yml
  - type: Website
    url: https://neuronto.com
  - type: GitHubRepository
    url: https://github.com/neuronto/agentic-resource-discovery
  - type: License
    url: https://www.apache.org/licenses/LICENSE-2.0
  - type: Overlay
    url: overlays/neuronto-ard-registry-overlay.yaml
  - type: ErrorCatalog
    url: errors/neuronto-problem-types.yml
maintainers:
- FN: Neuronto
  url: https://neuronto.com
x-source:
  via: api-search/inbox#24; built from the provider-served apis.json (200) -- one of three ever to resolve
  fetched: '2026-09-07'
  note: Only the self url re-pointed; descriptor is theirs.
common:
- type: DomainSecurity
  url: security/neuronto-domain-security.yml
- type: Packages
  url: packages/neuronto-packages.yml
- type: SDKs
  url: packages/neuronto-packages.yml
- type: CLI
  url: cli/neuronto-cli.yml
- type: WellKnown
  url: well-known/neuronto-well-known.yml
- type: LLMsTxt
  url: llms/neuronto-llms.txt
- type: Website
  url: https://neuronto.com
- type: Conformance
  url: conformance/neuronto-conformance.yml
- type: Authentication
  url: authentication/neuronto-authentication.yml
- type: Conventions
  url: conventions/neuronto-conventions.yml
- type: Idempotency
  url: conventions/neuronto-conventions.yml
- type: Lifecycle
  url: lifecycle/neuronto-lifecycle.yml
- type: Plans
  url: plans/neuronto-plans-pricing.yml
- type: Pricing
  url: https://neuronto.com/pricing
- type: RateLimits
  url: rate-limits/neuronto-rate-limits.yml
- type: AgentSkill
  url: skills/_index.yml
- type: Blog
  url: https://neuronto.com/blog
- type: BlogRSS
  url: https://neuronto.com/feed.xml
- type: PrivacyPolicy
  url: https://neuronto.com/privacy
- type: GettingStarted
  url: https://neuronto.com/publish
- type: GitHubOrganization
  url: https://github.com/neuronto
x-enrichment:
  date: '2026-09-07'
  status: enriched
  artifacts_added: 26
  pass: local-v3