Clara — Personal Clean Air Planner
REMOTE · CLARA-MCP.SOUTHLONDONSCIENTIFIC.COM · SCANNED SEP 25
UK personal air quality advice and daily exposure assessment. Pairs with Hermes for live data.
Available components
How this component scores in each security and reliability category. Every signal is checked automatically against the live server, and we only credit what we can confirm. How we score → Why this is hard to score →
Endpoint Security57
- The endpoint's TLS certificate is valid, in date, and uses a strong key. View diagnostics → Pass
- Authorisation not fully verified: no authorisation is required to call this server, and 2 tool(s) never declared a destructiveHint. The MCP spec treats an absent hint as destructive by default, so we cannot call this surface safe. See how to fix → View diagnostics → Unverified
- HTTPS is enforced; there's no plaintext access path. View diagnostics → Pass
- HSTS check failed: the Strict-Transport-Security header is absent. See how to fix → View diagnostics → Fail
- DNSSEC check failed: this domain isn't protected by DNSSEC. See how to fix → View diagnostics → Fail
Transport & Reachability100
- Verified streamable-http transport via a live MCP handshake. View diagnostics → Pass
Schema Quality & AI Usability54
- AI-judged instruction clarity (excellent).Pass
- Context-footprint check failed: tool/resource definitions use about 1553 tokens (~776/item across 2 items; 2 tools + 0 resources), over budget; trim descriptions and params. See how to fix → Fail
- Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management100
- No destabilizing schema changes in the last 30 days.Pass
Tool Coverage67
- 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
- 0% of tool parameters carry a description.Fail
Tool Safety100
- No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.Pass
- We read all 2 captured tool definition(s), and no name or description among them implies an irreversible operation.Pass
- An AI judge read all 3 captured unit(s) of tool text and found none that tries to manipulate the model reading it.Pass
Capabilities100
- Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.Pass
How do I install the Clara — Personal Clean Air Planner MCP server?
Clara — Personal Clean Air Planner is a hosted endpoint at https://clara-mcp.southlondonscientific.com/mcp, so there is nothing to install locally. Ready-made configuration for Claude, Cursor, VS Code, Codex and 5 more is on this page, copied from each client's own documentation.
remote · clara-mcp.southlondonscientific.com
claude mcp add --transport http com-southlondonscientific-clara 'https://clara-mcp.southlondonscientific.com/mcp'
{
"mcpServers": {
"com-southlondonscientific-clara": {
"url": "https://clara-mcp.southlondonscientific.com/mcp"
}
}
} {
"servers": {
"com-southlondonscientific-clara": {
"type": "http",
"url": "https://clara-mcp.southlondonscientific.com/mcp"
}
}
} [mcp_servers.com-southlondonscientific-clara] url = "https://clara-mcp.southlondonscientific.com/mcp"
{
"$schema": "https://opencode.ai/config.json",
"mcp": {
"com-southlondonscientific-clara": {
"type": "remote",
"url": "https://clara-mcp.southlondonscientific.com/mcp",
"enabled": true
}
}
} openclaw mcp add com-southlondonscientific-clara --url 'https://clara-mcp.southlondonscientific.com/mcp' --transport streamable-http
mcp_servers:
com-southlondonscientific-clara:
url: "https://clara-mcp.southlondonscientific.com/mcp" {
"McpServers": {
"com-southlondonscientific-clara": {
"Transport": "http",
"Url": "https://clara-mcp.southlondonscientific.com/mcp"
}
}
} assistant mcp add com-southlondonscientific-clara -t streamable-http -u 'https://clara-mcp.southlondonscientific.com/mcp'
{
"mcpServers": {
"com-southlondonscientific-clara": {
"type": "http",
"url": "https://clara-mcp.southlondonscientific.com/mcp"
}
}
} The mcpServers block is a cross-client convention. Remote transports vary, so check your client's docs.
Every change we have recorded for this component, newest first. Security-relevant changes are always shown. ▲ marks a change for the better, ▼ a change for the worse; unmarked changes are neutral.
- 25 Sept 26 0
- We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
- 26 Aug 26 0
- We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
- 25 Aug 26 0
- Stability: 0.97 → pass security
- 11 Aug 26 0
- We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
- 7 Aug 26 0
- The server no longer declares the “experimental” capability functional
- 31 Jul 26 0
- We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
- 27 Jul 26 0
- We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
- 26 Jul 26 0
First indexed and scored.
Diagnostic detail from the automated scan of this channel: what the scanner observed at each step, so you can see exactly where a check passed or failed. It is informational only and never changes the trust score.
Captured 25 Sept 2026 · Probed https://clara-mcp.southlondonscientific.com/mcp
TLS valid
Negotiated TLS 1.3 with TLS_AES_128_GCM_SHA256 .
| Subject | Issuer | Valid from | Valid until | Key | Signature | Serial |
|---|---|---|---|---|---|---|
| CN=clara-mcp.southlondonscientific.com | CN=YE1,O=Let's Encrypt,C=US | 1 Sept 2026 | 30 Nov 2026 | ECDSA 256 | ECDSA-SHA384 | 51301c1c7162fdf876bbd59046a7e005528 |
| SANs: clara-mcp.southlondonscientific.com | ||||||
| CN=YE1,O=Let's Encrypt,C=US (CA) | CN=Root YE,O=ISRG,C=US | 3 Sept 2025 | 2 Sept 2028 | ECDSA 384 | ECDSA-SHA384 | 5ddd70dd31f801c85c186a7a04b80afe |
| CN=Root YE,O=ISRG,C=US (CA) | CN=ISRG Root X2,O=Internet Security Research Group,C=US | 13 May 2026 | 2 Sept 2032 | ECDSA 384 | ECDSA-SHA384 | 872165fc34b6e5fba8add5b3705fb53a |
| CN=ISRG Root X2,O=Internet Security Research Group,C=US (CA) | CN=ISRG Root X1,O=Internet Security Research Group,C=US | 13 May 2026 | 2 Sept 2032 | ECDSA 384 | SHA256-RSA | 6c8f1dc727c7117f7baf853ac980f9cd |
Background: What to check on a remote MCP endpoint →
DNSSEC insecure
Validation of clara-mcp.southlondonscientific.com. — Not signed
| Zone | DS | Keys | Algorithms | Outcome |
|---|---|---|---|---|
| . | trust_anchor | 20326, 38696 | 8, 8 | Verified |
| com. | present | 19718 | 13 | Verified |
| southlondonscientific.com. | absent | Unsigned (proven) parent-signed NSEC/NSEC3 proves an unsigned delegation |
Authentication No authorisation required
The endpoint answered without asking for a token. Anyone who knows the URL can reach it.
| Result | No authorisation required |
|---|---|
| HTTP status | 200 |
| Header | Value |
|---|---|
| x-content-type-options | nosniff |
| referrer-policy | strict-origin-when-cross-origin |
Background: How OAuth 2.1 works in the 2026 MCP spec →
Transports 2 probes
| Transport | URL | Outcome | Status | Location |
|---|---|---|---|---|
| streamable-http | https://clara-mcp.southlondonscientific.com/mcp | Verified | 200 | |
| http (plaintext) | http://clara-mcp.southlondonscientific.com/mcp | HTTPS enforced | 308 | https://clara-mcp.southlondonscientific.com/mcp |
The tools this component advertises to a client, with an estimated token cost for each. Expand a tool to see its parameters and schema. The per-tool counts are indicative and are not scored directly; the schema's total context footprint is one signal in Schema Quality & AI Usability. A tool's description is untrusted text the model reads on every call, which is what makes this list a security surface and not just an inventory: how tool poisoning works →
contextual_advice ~405
Personalised 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.
| Name | Type | Req | Description |
|---|---|---|---|
| audience | string | – | – |
| commute_mode | – | – | – |
| has_gas_cooker | boolean | – | – |
| has_indoor_sources | boolean | – | – |
| latitude | – | – | – |
| longitude | – | – | – |
| no2 | – | – | – |
| pm25 | – | – | – |
| postcode | – | – | – |
| setting | string | – | – |
No output schema declared.
No examples provided.
exposure_assessment ~281
Estimate 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").
| Name | Type | Req | Description |
|---|---|---|---|
| commute_hour | – | – | – |
| cooker_type | string | – | – |
| home_postcode | string | yes | – |
| smoking_at_home | boolean | – | – |
| transport_mode | string | – | – |
| tube_line | – | – | – |
| work_frequency | string | – | – |
| work_postcode | – | – | – |
No output schema declared.
No examples provided.
What is the Clara — Personal Clean Air Planner MCP server?
Clara — Personal Clean Air Planner is an MCP server listed in the public MCP registry as com.southlondonscientific/clara. UK personal air quality advice and daily exposure assessment. Pairs with Hermes for live data. This page covers its hosted endpoint (https://clara-mcp.southlondonscientific.com/mcp).
Is the Clara — Personal Clean Air Planner MCP server safe to use?
Clara — Personal Clean Air Planner scores 72 out of 100 on VerifyMCP. That is a record of what we were able to check automatically, not an endorsement. The category breakdown on this page shows every signal behind the number, including the ones we could not confirm.
What tools does the Clara — Personal Clean Air Planner MCP server expose?
Clara — Personal Clean Air Planner exposes 2 tools: contextual_advice, exposure_assessment. Their descriptions and schemas cost roughly 686 tokens of context every time the server is loaded.
Does the Clara — Personal Clean Air Planner MCP server require authentication?
No. We connected to Clara — Personal Clean Air Planner without credentials and it answered, so anything it exposes is reachable by anyone who knows the address.
Is the Clara — Personal Clean Air Planner MCP server still maintained?
Clara — Personal Clean Air Planner is still listed as active in the MCP registry. We last reached this channel on 25 September 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.