io.github.dimabalony/whentofly
REMOTE · WHENTOFLY.IO · SCANNED SEP 22
whentofly: flexible-date economy/business flight search + price-level context for AI agents
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 Security74
- The endpoint's TLS certificate is valid, in date, and uses a strong key. View diagnostics → Pass
- No authorisation is required to call this server. Every tool declares its destructiveHint and none is destructive, so open access doesn't expose one. See how to fix → View diagnostics → Partial
- 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 Usability51
- AI-judged instruction clarity (good).Pass
- Context-footprint check failed: tool/resource definitions use about 2016 tokens (~1008/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 Coverage98
- 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
- 94% of tool parameters carry a description.Partial
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 2 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 io.github.dimabalony/whentofly MCP server?
io.github.dimabalony/whentofly is a hosted endpoint at https://whentofly.io/mcp?ch=mcp-registry, 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 · whentofly.io
claude mcp add --transport http dimabalony-whentofly 'https://whentofly.io/mcp?ch=mcp-registry'
{
"mcpServers": {
"dimabalony-whentofly": {
"url": "https://whentofly.io/mcp?ch=mcp-registry"
}
}
} {
"servers": {
"dimabalony-whentofly": {
"type": "http",
"url": "https://whentofly.io/mcp?ch=mcp-registry"
}
}
} [mcp_servers.dimabalony-whentofly] url = "https://whentofly.io/mcp?ch=mcp-registry"
{
"$schema": "https://opencode.ai/config.json",
"mcp": {
"dimabalony-whentofly": {
"type": "remote",
"url": "https://whentofly.io/mcp?ch=mcp-registry",
"enabled": true
}
}
} openclaw mcp add dimabalony-whentofly --url 'https://whentofly.io/mcp?ch=mcp-registry' --transport streamable-http
mcp_servers:
dimabalony-whentofly:
url: "https://whentofly.io/mcp?ch=mcp-registry" {
"McpServers": {
"dimabalony-whentofly": {
"Transport": "http",
"Url": "https://whentofly.io/mcp?ch=mcp-registry"
}
}
} assistant mcp add dimabalony-whentofly -t streamable-http -u 'https://whentofly.io/mcp?ch=mcp-registry'
{
"mcpServers": {
"dimabalony-whentofly": {
"type": "http",
"url": "https://whentofly.io/mcp?ch=mcp-registry"
}
}
} 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.
- 16 Sept 26 0
- Tool “search_flights” rewrote its description, which is the text the model reads security
- Schema quality: 870 → 1008 ▼ functional
- Schema quality: excellent → good functional
- “search_flights” added an optional parameter “sellers” cosmetic
- 12 Sept 26 0
- Tool “search_flights” rewrote its description, which is the text the model reads security
- Schema quality: good → excellent functional
- “search_flights” reworded the description of “earliest” cosmetic
- “search_flights” reworded the description of “latest” cosmetic
- 10 Sept 26 0
- Tool “search_flights” rewrote its description, which is the text the model reads security
- 29 Aug 26 0
- Tool “search_flights” rewrote its description, which is the text the model reads security
- 27 Aug 26 0
- Tool “search_flights” rewrote its description, which is the text the model reads security
- “search_flights” reworded the description of “earliest” cosmetic
- “search_flights” reworded the description of “latest” cosmetic
- 26 Aug 26 +1
- 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 +1
- Stability: 0.97 → pass security
- 17 Aug 26 0
- Tool “search_flights” rewrote its description, which is the text the model reads security
- Schema quality: 620 → 695 ▼ functional
- “search_flights” reworded the description of “ch” cosmetic
- “search_flights” reworded the description of “verify” cosmetic
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 22 Sept 2026 · Probed https://whentofly.io/mcp?ch=mcp-registry
TLS valid
Negotiated TLS 1.3 with TLS_AES_128_GCM_SHA256 .
| Subject | Issuer | Valid from | Valid until | Key | Signature | Serial |
|---|---|---|---|---|---|---|
| CN=whentofly.io | CN=WE1,O=Google Trust Services,C=US | 25 Aug 2026 | 23 Nov 2026 | ECDSA 256 | ECDSA-SHA256 | e968937bf1eff3c8132a881beedfbf59 |
| SANs: whentofly.io, *.whentofly.io | ||||||
| CN=WE1,O=Google Trust Services,C=US (CA) | CN=GTS Root R4,O=Google Trust Services LLC,C=US | 13 Dec 2023 | 20 Feb 2029 | ECDSA 256 | ECDSA-SHA384 | 7ff31977972c224a76155d13b6d685e3 |
| CN=GTS Root R4,O=Google Trust Services LLC,C=US (CA) | CN=GlobalSign Root CA,OU=Root CA,O=GlobalSign nv-sa,C=BE | 15 Nov 2023 | 28 Jan 2028 | ECDSA 384 | SHA256-RSA | 7fe530bf331343bedd821610493d8a1b |
Background: What to check on a remote MCP endpoint →
DNSSEC insecure
Validation of whentofly.io. — Not signed
| Zone | DS | Keys | Algorithms | Outcome |
|---|---|---|---|---|
| . | trust_anchor | 20326, 38696 | 8, 8 | Verified |
| io. | present | 57355 | 8 | Verified |
| whentofly.io. | 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 |
Background: How OAuth 2.1 works in the 2026 MCP spec →
Transports 2 probes
| Transport | URL | Outcome | Status | Location |
|---|---|---|---|---|
| streamable-http | https://whentofly.io/mcp?ch=mcp-registry | Verified | 200 | |
| http (plaintext) | http://whentofly.io/mcp?ch=mcp-registry | HTTPS enforced | 301 | https://whentofly.io/mcp?ch=mcp-registry |
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 →
search_flights ~1,928
Find the cheapest round-trip across a FLEXIBLE multi-month date window with a min/max trip length — e.g. "10–15 days, anytime Sep–Nov". Search a broad date window rather than requiring the traveler to choose exact dates first. First call the search_locations MCP tool for city or airport names, then pass each returned airport:AAA or city:AAA value unchanged as origin/destination (explicit legacy IATA codes remain supported). Dates are OPTIONAL: add an earliest/latest window when the traveler has one, or omit them (or give just one side) and a sensible default window is searched — metadata.window_defaulted says so and query echoes the window used, so a dateless call always returns flights instead of an error. Add min/max trip duration; get back a ranked list of the cheapest fares (with booking links) plus a price verdict — an honest read of whether the cheapest fare is low, typical, or high versus the route's usual price, or unknown when we lack a usable typical-price band (a price-level read, not a buy-now-or-wait timing prediction). Non-economy requests may return action-bound Google Flights seller quotes or separate route-price evidence in metadata.route_price_check. For a specific route, set checked_bags=1 when the traveler needs one checked bag, then inspect each result's price_basis; anywhere discovery does not support baggage pricing. Checked-bag searches still run seller enrichment but set the fare-only verdict and metadata.route_price_check to null; verify=full does not override that boundary. Use it for any flight question where the dates are flexible, unknown, or the user wants the cheapest time to fly. If a window comes back thin or cannot fit the return, the search widens it one step itself and reports that in metadata.hints — no second call needed. A city:/airport: prefix that contradicts its code (city:CDG names an airport, airport:PAR names a city) is likewise searched as the identity the catalog does know, with a selector_corrected entry in metadata.…
| Name | Type | Req | Description |
|---|---|---|---|
| cabin | string | – | Cabin class: economy (default), premium_economy, business, or first. The Travelpayouts calendar covers economy; Google Flights may additionally return action-bound seller quotes for the requested cab… |
| ch | string | – | Acquisition channel tag (e.g. web, mcp, a campaign name) for first-party analytics. Durable booking links retain the validated Travelpayouts marker for commission but do not trust opaque shortlinks s… |
| checked_bags | integer | – | Checked bags requested for the current one-adult, specific-route search contract. Anywhere discovery rejects checked_bags=1. Set to 1 to add a seller's unambiguous first-checked-bag fee to the ranked… |
| currency | string | – | Result currency, 3-letter ISO code UPPERCASE. |
| earliest | string | – | Earliest acceptable departure date (ISO YYYY-MM-DD). Optional: omit it and a default window is searched, with the applied window echoed in `query` and flagged by `metadata.window_defaulted`. A date a… |
| from | string | yes | Origin location. Use a legacy 3-letter code (SHA), an exact airport (airport:SHA), or an all-airports city (city:SHA). Required for every search, including to=anywhere. |
| latest | string | – | Latest acceptable return date for round-trip, or latest acceptable departure for one-way (ISO YYYY-MM-DD). Window from earliest must be ≤365 days. Optional: omit it and it is derived from `earliest`… |
| max_days | integer | – | Maximum round-trip duration in days (return - departure); ignored for one-way and anywhere mode. |
| max_transfers | integer | – | Maximum number of transfers/layovers per leg. 0 = nonstop only, 1 = up to 1 stop, etc. Omit for no filter. |
| min_days | integer | – | Minimum round-trip duration in days (return - departure); ignored for one-way and anywhere mode. |
| one_way | boolean | – | If true, search one-way flights; return_date and duration_days will be null. |
| sellers | boolean | – | Whether to run the live seller-quote wave (Google Flights `booking_options`) for this request. Default `true`: unchanged behavior — the bounded frontier resolves seller prices, baggage basis, and the… |
| to | string | – | Destination location: a legacy code, airport:AAA, or city:AAA. Pass `anywhere` (or omit) to get the cheapest destinations from the origin instead of a specific route. |
| top_n | integer | – | Maximum number of results to return, sorted cheapest-first. Specific routes allow up to 50; anywhere mode returns at most 12. |
| verify | string | – | How hard to cross-check the top result's route, dates, and cabin against Google Flights (SerpApi). `false` (default): the check still runs automatically on a fresh search when the top isn't already a… |
No output schema declared.
No examples provided.
search_locations ~88
Resolve a city or airport name or code before searching flights. Returns typed values such as city:SHA to search every catalog airport in Shanghai or airport:SHA for Hongqiao only. Pass the selected value unchanged to search_flights. Ask the traveler when multiple results are plausible.
| Name | Type | Req | Description |
|---|---|---|---|
| limit | integer | – | – |
| q | string | yes | Airport/city name or 3-letter code prefix. |
No output schema declared.
No examples provided.
What is the io.github.dimabalony/whentofly MCP server?
io.github.dimabalony/whentofly is an MCP server listed in the public MCP registry as io.github.dimabalony/whentofly. whentofly: flexible-date economy/business flight search + price-level context for AI agents. This page covers its hosted endpoint (https://whentofly.io/mcp?ch=mcp-registry).
Is the io.github.dimabalony/whentofly MCP server safe to use?
io.github.dimabalony/whentofly scores 81 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 io.github.dimabalony/whentofly MCP server expose?
io.github.dimabalony/whentofly exposes 2 tools: search_locations, search_flights. Their descriptions and schemas cost roughly 2,016 tokens of context every time the server is loaded.
Does the io.github.dimabalony/whentofly MCP server require authentication?
No. We connected to io.github.dimabalony/whentofly without credentials and it answered, so anything it exposes is reachable by anyone who knows the address.
Is the io.github.dimabalony/whentofly MCP server still maintained?
io.github.dimabalony/whentofly is still listed as active in the MCP registry. We last reached this channel on 22 September 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.