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Clara — Personal Clean Air Planner

R0· no sign-in

UK personal air quality advice and daily exposure assessment. Pairs with Hermes for live data.

v0.3.0 · active · website · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality76good
Trust76of 100
Uptime, 30 days100%
Latency p501009 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "clara": {
      "type": "http",
      "url": "https://clara-mcp.southlondonscientific.com/mcp"
    }
  }
}
claude mcp add --transport http clara https://clara-mcp.southlondonscientific.com/mcp
[mcp_servers.clara]
url = "https://clara-mcp.southlondonscientific.com/mcp"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "clara": {
      "type": "remote",
      "url": "https://clara-mcp.southlondonscientific.com/mcp",
      "enabled": true
    }
  }
}
{
  "mcpServers": {
    "clara": {
      "type": "http",
      "url": "https://clara-mcp.southlondonscientific.com/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=clara&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vY2xhcmEtbWNwLnNvdXRobG9uZG9uc2NpZW50aWZpYy5jb20vbWNwIn0%3D"
}
{
  "servers": {
    "clara": {
      "type": "http",
      "url": "https://clara-mcp.southlondonscientific.com/mcp"
    }
  }
}
{
  "mcpServers": {
    "clara": {
      "httpUrl": "https://clara-mcp.southlondonscientific.com/mcp"
    }
  }
}
extensions:
  "clara":
    enabled: true
    name: "clara"
    type: streamable_http
    uri: "https://clara-mcp.southlondonscientific.com/mcp"
    timeout: 300

Quality 76 / 100good

protocol75 · weight 25
  • warn
    protocol.modernnewest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
  • n/a
    protocol.statelessonly applies to 2026-07-28 servers
  • pass
    protocol.transportstreamable HTTP
  • n/a
    protocol.list_ttlonly applies to 2026-07-28 servers
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 hygiene64 · weight 30
  • pass
    tools.descriptionsevery tool has a description
  • warn
    tools.description_length1 tools have descriptions over 1,024 characters, which crowds the context
  • pass
    tools.schemasevery tool has an object input schema
  • fail
    tools.annotationsno tool declares readOnlyHint or destructiveHint, so clients cannot tell safe calls from risky ones
  • fail
    tools.directory_hintsno tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: exposure_assessment (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); contextual_advice (readOnlyHint, destructiveHint, idempotentHint, openWorldHint)
  • pass
    tools.token_costabout 1,030 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

2 tools, about 1,030 tokens to load them all · tool set 709eef4180fe · checked 2026-10-19 10:52 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 76 / 100

no-repository
provenance55
liveness100
freshness65
hygiene80

+dns-namespace +website +reachable +uptime-100% ~updated-167d-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://clara-mcp.southlondonscientific.com/mcp streamable-httpnoneyes100%1009 ms2025-11-252026-10-19

Tools (2)

contextual_advicePersonalised air quality advice for a UK location and a specific user context. Use this tool whenever the user asks an air-quality question that depends on *who they are* or *what they're about to do*: e.g. asthma, pregnancy, school-age child, gas cooker at home, tube commute, outdoor exercise. It composes location-specific pollution with the user's personal context to produce evidence-based advice — far more targeted than a generic "high pollution day" handout. Composable with Hermes: pass pm25/no2 from Hermes get_current_aq for advice based on live readings rather than annual average estimates. Returns structured advice with a plain-English summary, health context, and local intervention information. Present the 'summary' to users first. Args: postcode: UK postcode (e.g. "SE17 1RL"). Provides coords + LAEI pollution. latitude: Latitude for coordinate-based lookup. longitude: Longitude for coordinate-based lookup. pm25: PM2.5 concentration in ug/m3. Overrides location-based estimate. no2: NO2 concentration in ug/m3. Overrides location-based estimate. setting: Context — residential, school, workplace, outdoor_exercise, commute. has_gas_cooker: Whether the person has a gas cooker (affects indoor advice). commute_mode: If setting is commute — walk, cycle, bus, car, train, tube. has_indoor_sources: Indoor pollution sources (smoking, woodstove). audience: Target audience — general, children, elderly, respiratory, pregnant.
exposure_assessmentEstimate personal daily air pollution exposure across home, work, and commute. Uses time-weighted modelling across environments: home (with indoor source adjustments), work, and commute (with route-based pollution and transport mode factors). Based on annual average pollution estimates, not live readings. Args: home_postcode: Home location UK postcode (e.g. "SE17 1RL"). Required. work_postcode: Work/school location postcode. Omit if not commuting. transport_mode: Commute mode — walk, cycle, bus, car, train, tube. work_frequency: How often you commute — most_days, some_days, less_often, never. commute_hour: Hour of commute (0-23) for time-of-day pollution adjustment. cooker_type: Home cooker type — gas, electric, induction, unknown. smoking_at_home: Whether anyone smokes indoors (major PM2.5 source). tube_line: London Underground line for tube commuters (e.g. "victoria").

Schemas: list_tools.

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Official server.json
{
  "name": "com.southlondonscientific/clara",
  "icons": [
    {
      "src": "https://www.southlondonscientific.com/logos/clara.svg",
      "sizes": [
        "any"
      ],
      "mimeType": "image/svg+xml"
    }
  ],
  "title": "Clara — Personal Clean Air Planner",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://clara-mcp.southlondonscientific.com/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "0.3.0",
  "websiteUrl": "https://www.southlondonscientific.com",
  "description": "UK personal air quality advice and daily exposure assessment. Pairs with Hermes for live data."
}