FLOPS Index
REMOTE · APP.FLOPSINDEX.COM · 2 COMPONENTS
GPU rental reference prices (spot, on-demand, DePIN), key-free; every value carries a verify URL.
Available components
Last scanned (23 hours ago)
Scores higher than 65% of remote servers
Reachable. Last reached 17 Oct 2026.
Category Finance and Payments
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 Security80
- 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
- The HSTS (Strict-Transport-Security) header is present. View diagnostics → Pass
- 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 Usability73
- AI-judged instruction clarity (excellent).Pass
- Context-footprint check failed: tool/resource definitions use about 727 tokens (~145/item across 5 items; 5 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 Management10
- Stability observed for 3 of 30 days with no destabilising changes; credit accrues until the full window elapses.Partial
Tool Coverage95
- 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
- 86% 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 5 captured tool definition(s), and no name or description among them implies an irreversible operation.Pass
- An AI judge read all 6 captured unit(s) of tool text and found none that tries to manipulate the model reading it.Pass
Capabilities60
- Spec-recency check failed: implements MCP spec 2025-06-18; the latest is 2026-07-28. See how to fix → Fail
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.
- 17 Oct 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 7 to 10. That category is still filling its 30-day observation window: 2 days of observed history at the previous scan, 3 at this one. The score rises as the window fills, whether or not the server changes.
- 15 Oct 26 +8
- Authorization: unverified → partial ▲ security
- Tool “get_price” rewrote its description, which is the text the model reads security
- Stability: unverified → 0.03 ▲ functional
- “verify” reworded the description of “index_id” cosmetic
- Tool “get_index” changed its title: Get a FLOPS index citation cosmetic
- Tool “get_price” changed its title: Get a FLOPS index price cosmetic
- Tool “list_indices” changed its title: List public FLOPS indices cosmetic
- Tool “search_indices” changed its title: Search FLOPS indices cosmetic
- Tool “verify” changed its title: Verify a FLOPS value cosmetic
- 14 Oct 26 64
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 17 Oct 2026 · Probed https://app.flopsindex.com/mcp
TLS valid
Negotiated TLS 1.3 with TLS_AES_128_GCM_SHA256 .
| Subject | Issuer | Valid from | Valid until | Key | Signature | Serial |
|---|---|---|---|---|---|---|
| CN=app.flopsindex.com | CN=YE2,O=Let's Encrypt,C=US | 22 Aug 2026 | 20 Nov 2026 | ECDSA 256 | ECDSA-SHA384 | 6d67121d03b734fbfcc58b7ac512f8c8d92 |
| SANs: app.flopsindex.com | ||||||
| CN=YE2,O=Let's Encrypt,C=US (CA) | CN=Root YE,O=ISRG,C=US | 3 Sept 2025 | 2 Sept 2028 | ECDSA 384 | ECDSA-SHA384 | 4df3b15dd6c0784c507cd37b58e6f115 |
| 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 app.flopsindex.com. — Not signed
| Zone | DS | Keys | Algorithms | Outcome |
|---|---|---|---|---|
| . | trust_anchor | 20326, 38696 | 8, 8 | Verified |
| com. | present | 19718 | 13 | Verified |
| flopsindex.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 |
|---|---|
| strict-transport-security | max-age=63072000; includeSubDomains |
| x-content-type-options | nosniff |
| x-frame-options | DENY |
| referrer-policy | strict-origin-when-cross-origin |
| permissions-policy | geolocation=(), microphone=(), camera=(), payment=(), usb=() |
Background: How OAuth 2.1 works in the 2026 MCP spec →
Transports 2 probes
| Transport | URL | Outcome | Status | Location |
|---|---|---|---|---|
| streamable-http | https://app.flopsindex.com/mcp | Verified | 200 | |
| http (plaintext) | http://app.flopsindex.com/mcp | HTTPS enforced | 301 | https://app.flopsindex.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 →
get_index Get a FLOPS index citation ~105
Resolve a FLOPS index to its source-opaque PUBLIC citation payload. Returns exactly {index_id, value, unit, as_of, data_tier, confidence, methodology_url, verify_url, citation_url, permalink} — no source-level detail. Prefer get_index when you intend to CITE the value.
| Name | Type | Req | Description |
|---|---|---|---|
| index_id | string | yes | FLOPS index id / slug, e.g. 'FLOPS-H100-OD', 'FLOPS-A100-SPOT'. |
No output schema declared.
No examples provided.
get_price Get a FLOPS index price ~149
Fetch the current published value for a FLOPS compute price index. Returns {value, unit, as_of, data_tier, confidence, verify_url, citation_url}. Cheapest way to answer 'what is the latest public reference price for X?' (refreshed every 6 hours). Confidence is a label (HIGH or MED), never a numeric weight. Carries no methodology or source attribution by design — the anonymous surface does not enumerate the tiers or families it withholds.
| Name | Type | Req | Description |
|---|---|---|---|
| slug | string | yes | FLOPS index slug. Accepts FLOPS-<MODEL>-OD, FLOPS-<MODEL>-SPOT, FLOPS-<MODEL>-DEPIN, or a bare gpu_model. |
No output schema declared.
No examples provided.
list_indices List public FLOPS indices ~103
List all public FLOPS compute-price indices. Returns {count, indices[]} where each row is {index_id, family, value, unit, as_of, confidence, change_24h, delayed}. Use this to discover available indices before calling get_price or verify. No auth required.
| Name | Type | Req | Description |
|---|---|---|---|
| family_filter | string | – | Optional family prefix to filter by (e.g. 'FLOPS-H100' or 'FLOPS-B300'). Case-sensitive substring match. |
No output schema declared.
No examples provided.
search_indices Search FLOPS indices ~94
Resolve a free-text query to canonical FLOPS index slugs. Use when you don't know the exact slug — e.g. 'H100 spot' returns the matching SPOT family entries. Best paired with get_price to look up + quote a value in one turn.
| Name | Type | Req | Description |
|---|---|---|---|
| limit | integer | – | – |
| q | string | yes | Free-text query (e.g. 'h100 spot' or 'b200 on-demand'). |
No output schema declared.
No examples provided.
verify Verify a FLOPS value ~220
Check a FLOPS index value against the published index. Pass `value` with a number you are about to cite (or already hold) and the response tells you whether it is right: `verified` true/false, `expected` (what you submitted), `actual_value` (what FLOPS publishes) and `delta_pct`. Omit `value` to simply look up the current published value — then `verified` is null, which means 'not checked', NOT 'correct'. Without an API key you are checked against the public value, which is rounded to 2 decimals and delayed onto a 6-hour grid, so a full-precision real-time number will not match anonymously. No source list or source-count is exposed.
| Name | Type | Req | Description |
|---|---|---|---|
| index_id | string | yes | FLOPS index identifier (e.g. 'FLOPS-H100-OD', 'FLOPS-B300-OD'). |
| value | number | – | Optional. The number you want checked, e.g. 2.14. Omit it to do a plain lookup. |
No output schema declared.
No examples provided.
How do I install the FLOPS Index MCP server?
FLOPS Index is a hosted endpoint at https://app.flopsindex.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 · app.flopsindex.com
claude mcp add --transport http zeroatflops-flopsindex-mcp 'https://app.flopsindex.com/mcp'
What is the FLOPS Index MCP server?
FLOPS Index is an MCP server listed in the public MCP registry as io.github.zeroatflops/flopsindex-mcp. GPU rental reference prices (spot, on-demand, DePIN), key-free; every value carries a verify URL. This page covers its hosted endpoint (https://app.flopsindex.com/mcp).
Is the FLOPS Index MCP server safe to use?
FLOPS Index scores 73 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 FLOPS Index MCP server expose?
FLOPS Index exposes 5 tools: list_indices, verify, get_price, search_indices, get_index. Their descriptions and schemas cost roughly 671 tokens of context every time the server is loaded.
Does the FLOPS Index MCP server require authentication?
No. We connected to FLOPS Index without credentials and it answered, so anything it exposes is reachable by anyone who knows the address.
Is the FLOPS Index MCP server still maintained?
FLOPS Index is still listed as active in the MCP registry. We last reached this channel on 17 October 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.