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UAParse

R0· no sign-in

Parse a User-Agent: browser, OS, device, plus bot, search crawler, AI crawler and AI agent flags.

v0.3.2 · active · website · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality100strong
Trust83of 100
Uptime, 30 days100%
Latency p50151 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "uaparse": {
      "type": "http",
      "url": "https://uaparse.mike-tusa.workers.dev/mcp",
      "headers": {
        "Authorization": "Bearer ${UAPARSE_TOKEN}"
      }
    }
  }
}
claude mcp add --transport http uaparse https://uaparse.mike-tusa.workers.dev/mcp --header "Authorization: Bearer ${UAPARSE_TOKEN}"
[mcp_servers.uaparse]
url = "https://uaparse.mike-tusa.workers.dev/mcp"
bearer_token_env_var = "UAPARSE_TOKEN"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "uaparse": {
      "type": "remote",
      "url": "https://uaparse.mike-tusa.workers.dev/mcp",
      "enabled": true,
      "headers": {
        "Authorization": "Bearer {env:UAPARSE_TOKEN}"
      }
    }
  }
}
{
  "mcpServers": {
    "uaparse": {
      "type": "http",
      "url": "https://uaparse.mike-tusa.workers.dev/mcp",
      "headers": {
        "Authorization": "Bearer ${UAPARSE_TOKEN}"
      }
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=uaparse&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vdWFwYXJzZS5taWtlLXR1c2Eud29ya2Vycy5kZXYvbWNwIiwiaGVhZGVycyI6eyJBdXRob3JpemF0aW9uIjoiQmVhcmVyICR7VUFQQVJTRV9UT0tFTn0ifX0%3D"
}
{
  "servers": {
    "uaparse": {
      "type": "http",
      "url": "https://uaparse.mike-tusa.workers.dev/mcp",
      "headers": {
        "Authorization": "Bearer ${UAPARSE_TOKEN}"
      }
    }
  }
}
{
  "mcpServers": {
    "uaparse": {
      "httpUrl": "https://uaparse.mike-tusa.workers.dev/mcp",
      "headers": {
        "Authorization": "Bearer ${UAPARSE_TOKEN}"
      }
    }
  }
}
extensions:
  "uaparse":
    enabled: true
    name: "uaparse"
    type: streamable_http
    uri: "https://uaparse.mike-tusa.workers.dev/mcp"
    headers:
      "Authorization": "Bearer ${UAPARSE_TOKEN}"
    timeout: 300

Placeholders to fill from your own secret store: ${UAPARSE_TOKEN}. The registry never accepts secret values.

Quality 100 / 100strong

protocol100 · weight 25
  • pass
    protocol.modernsupports 2026-07-28 (server/discover)
  • pass
    protocol.statelessanswers without a session
  • pass
    protocol.transportstreamable HTTP
  • pass
    protocol.list_ttltool list is cacheable (ttlMs 3600000)
authorizationn/a · weight 15
  • n/a
    auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
  • n/a
    auth.secret_in_urlno templated URL
tool hygiene100 · weight 30
  • pass
    tools.descriptionsevery tool has a description
  • pass
    tools.description_lengthdescriptions are concise
  • pass
    tools.schemasevery tool has an object input schema
  • pass
    tools.annotations1 of 1 tools declare readOnlyHint or destructiveHint
  • pass
    tools.directory_hintsevery tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
  • pass
    tools.token_costabout 306 tokens to load every tool
  • pass
    tools.api_dumptools are not a one-to-one API dump
stability100 · weight 15
  • pass
    stability.changesno tool changes in 30 days
  • pass
    stability.rug_pullno tool changed its meaning under the same name
dependenciesn/a · weight 15
  • n/a
    deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

1 tools, about 306 tokens to load them all · tool set b4a33b891744 · checked 2026-10-20 18:06 UTC

Tool changes

No tool definition changes recorded. A server's first observation is its baseline; later probes record what changes.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 83 / 100

no-repository
provenance55
liveness100
freshness100
hygiene80

+dns-namespace +website +reachable +uptime-100% +updated-12d-ago -no-repository

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remoteauthreachableuptime 30dp50protocollast ok
https://uaparse.mike-tusa.workers.dev/mcp streamable-httpnoneyes100%151 ms2026-07-28, 2025-11-25, 2025-06-18, 2025-03-26, 2024-11-052026-10-20

Tools (1)

parse_user_agentread-onlyParse one User-Agent string. Returns browser, engine, OS, device type and CPU (ua-parser-js 1.0.41), and whether it is a known bot, search crawler, AI crawler (with its AI purpose) or an AI agent acting for a user (is_ai_agent, ai_agent_kind fetch | browsing), plus the bot name, operator, robots.txt token and operator docs link from a curated list of 151 bots (list 2026-10-08). verified is always false: the User-Agent is self-reported and UAParse does no IP or reverse-DNS checks. Read-only, no network lookups. Same engine and limits as the UAParse JSON API (POST /v1/parse); each call is one lookup. UAParse is independent and not affiliated with Meta, OpenAI, Google, Anthropic, Amazon, Perplexity or Mistral AI.

Schemas: list_tools.

Similar MCP servers

Official server.json
{
  "name": "dev.workers.mike-tusa.uaparse/uaparse",
  "icons": [
    {
      "src": "https://uaparse.mike-tusa.workers.dev/favicon.svg",
      "sizes": [
        "any"
      ],
      "mimeType": "image/svg+xml"
    }
  ],
  "title": "UAParse",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://uaparse.mike-tusa.workers.dev/mcp",
      "type": "streamable-http",
      "headers": [
        {
          "name": "Authorization",
          "isSecret": true,
          "description": "Optional. 'Bearer up_live_…' (free API key, issued by email request) for higher limits. Works without a key."
        }
      ]
    }
  ],
  "version": "0.3.2",
  "websiteUrl": "https://uaparse.mike-tusa.workers.dev/",
  "description": "Parse a User-Agent: browser, OS, device, plus bot, search crawler, AI crawler and AI agent flags."
}