Atlas entry
www.
12 capabilities over MCP. The inventory is incomplete. First atlas observation.
12 tools. 8 only read. 4 have no reading.◇
AI reading, beta. side-effects v1 on claude-haiku-5.5, calibrated on MCP (golden-3). Only readings above a measured precision count. Counts are tools, not calls: no tool was called.
AI readings summary · beta
The service lists 12 tools, and 8 have AI readings.
8 tools are read as read-only, including compare_fees, get_perp_stats and get_latest_news.
calculate_trading_cost: Estimates taker fees on a trading volume for one exchange, with and without a referral discount, plus a yearly figure.
get_perp_stats: Fetches daily, weekly and 30-day statistics plus past weekly rank results for one Binance TradFi perpetual market.
Written by code from the AI readings on this page: it groups them and says nothing they do not.
What an agent can do here
AI readings, beta · Readings on 8 of 12 MCP tools.
Moves money
0
No tool read this way.
Deletes or cancels records
0
No tool read this way.
Sends messages to people
0
No tool read this way.
Changes permissions
0
No tool read this way.
Runs code
0
No tool read this way.
Should ask a person first
0
No tool read this way.
No counted reading 4 tools No reading was counted, so any effect above is possible for them: calculate_trading_cost, check_referral_link, inspect_exchange_link, recommend_fee_option.
What changed
First atlas observation. Atlas history
Look first
AI reading, beta: AI adds items here; it never removes one.
No tool is read as one of the six effects. A zero is a count, not a clearance.
Surfaces
5 protocols checked
| ARD | Not found | No document retrieved |
|---|---|---|
| A2A | Not found | 0 skills |
| MCP | Valid | 2025-11-25 · 12 tools · 0 resources retained · listing incomplete · prompts not advertised |
| OpenAPI | Not detected | 0 operations |
| WebMCP | Not detected | 0 declarative form tools · experimental |
Exact states and meaning
- ARDabsent
Exact state: not found · No document retrieved
The supported discovery location returned no matching document.
Not found does not prove the service exposes no such interface elsewhere.
Not observed / not fetched
- A2Aabsent
Exact state: not found · 0 skills
The supported discovery location returned no matching document.
Not found does not prove the service exposes no such interface elsewhere.
Not observed / not fetched
- MCPobserved
Exact state: valid · Revision 2025-11-25 · 12 tools · 0 resources retained · listing incomplete · prompts not advertised
A usable protocol document was retrieved and validated.
Directly observed
- OpenAPIabsent
Exact state: not detected · 0 operations
No endpoint was established from the evidence and scope that InterfaceDelta inspected.
Not detected does not prove that no endpoint exists.
Not observed / not fetched
- WebMCPabsent
Exact state: not detected · 0 declarative form tools · experimental
No named declarative WebMCP form tools were observed in the origin root HTML.
Script-registered tools and other pages are not observed, so this does not mean the site has no WebMCP tools.
Not observed / not fetched
Capabilities
Showing 12 of 12.
| Tool and inputs | ◇ AI reading, beta · confidence | ||||||
|---|---|---|---|---|---|---|---|
| Read as none of the six 8 Not a clearance. | |||||||
| country, purpose* | Reads only0.85 | ||||||
| |||||||
| Lists exchanges allowed in a given two-letter country, optionally filtered by spot, futures or P2P purpose.country*, purpose | Reads only0.88 | ||||||
| |||||||
| Retrieves published base spot and futures maker/taker trading fees for covered exchanges, with and without the referral discount.no inputs | Reads only0.90 | ||||||
| |||||||
| Retrieves one exchange's referral code, discount rate and maker/taker fees with and without it, optionally by country.country, exchange* | Reads only0.85 | ||||||
| |||||||
| Returns up to 20 of the newest English-language articles CoinRebate has published, with titles, dates and links.limit | Reads only0.88 | ||||||
| |||||||
| Fetches daily, weekly and 30-day statistics plus past weekly rank results for one Binance TradFi perpetual market.symbol* | Reads only0.85 | ||||||
| |||||||
| Lists Binance perpetual futures tied to stock and commodity prices, optionally filtered by equity region or category.category | Reads only0.89 | ||||||
| |||||||
| Returns matching informational articles from a crypto rebate site's guide library for a keyword query, in a chosen language.lang, limit, query* | Reads only0.88 | ||||||
| |||||||
| No counted reading 4 No reading was counted, so any effect is possible. | |||||||
| Estimates taker fees on a trading volume for one exchange, with and without a referral discount, plus a yearly figure.country, exchange*, type*, volume* | unknown | unknown | unknown | unknown | unknown | unknown | No reading |
| |||||||
| Verifies that an exchange link uses CoinRebate's latest referral code and marks links with other codes as stale.url* | unknown | unknown | unknown | unknown | unknown | unknown | No reading |
| |||||||
| Checks an exchange sign-up link for official-domain status, reachability, referral owner and configured rebate.country, url* | unknown | unknown | unknown | unknown | unknown | unknown | No reading |
| |||||||
| Returns the lowest-fee exchange for a user's country and volume, with estimated annual cost and caveats, or a neutral fee table.country*, current_exchange, lang, monthly_volume_usd and 1 more | unknown | unknown | unknown | unknown | unknown | unknown | No reading |
| |||||||
Read as this effect No reading: unknown Not read as this effect◇ AI readings, beta. A zero is a count, not a clearance.
MCP resources 0+ observed
Inventory incomplete. The displayed count is a lower bound; missing items do not prove removal.
None recorded in this Passport.
Not observed in this Passport: A2A skills, MCP prompts, OpenAPI operations.
The atlas shows each capability by its plain identifier, inputs and declared sign-in. Publisher descriptions, paths, links and source evidence are not published here.
The comparison with the previous observation is shown only to the account that recorded it.
Atlas history
1 observation
- 12 capabilities · MCP 2025-11-25 · MCP endpoint truncated · 1 incomplete inventory groupFirst observation
Fingerprint and versions
- Fingerprint
6af790040c6d28646c81ef2c1a5f004ab8f8b13645036dce15c8b943670254a4(incomplete)- Passport schema
- 0.5.0, passport-semantic-v4
- Consistency
- MCP_PROMPTS_ADVERTISEMENT_LIST: not applicable · MCP_RESOURCES_ADVERTISEMENT_LIST: indeterminate · MCP_TOOLS_ADVERTISEMENT_LIST: match · OPENAPI_MCP_EXPLICIT_MAPPING: not applicable
Each class compares an observation with the previous atlas observation. Runs of unchanged observations are grouped. Struck values are what the previous observation recorded; inserted values are what this one recorded.
Declared and observed
12 tools declare hints; the AI readings agree with all 8 that have a reading.
A disagreement is not a finding about the service: either side can be wrong. How we compare declarations and readings.
About this entry
com.halffee/coinrebateListedOfficial MCP Registry · first listed 12 Nov 2026 · last listed 12 Nov 2026
Passive observations of a public interface listed in the Official MCP Registry. An observation does not verify security, ownership or compliance, and InterfaceDelta assigns no scores or rankings. Methodology · Report an inaccuracy · Ask for removal
Identity and snapshot
- Target key
sha256:8d3d4d6f462d7c732bac40abc82f53db1412a8171c91743404e28554cef838fc- Locator SHA-256
2c5bab924a40201efa31aa3841dded945db3eacf418a1ff1a6de29fc23f39d01- Snapshot generated
- 13 Nov 2026, 01:06 UTC
The entry is one exact observed target, not a real-world service identity, and implies no ownership. Endpoint paths are not published; the locator hash lets an operator confirm their own URL.