Atlas entry
www.mailbypony.com
42 capabilities over MCP. First atlas observation.
Surfaces
5 protocols checked
| ARD | Not found | No document retrieved |
|---|---|---|
| A2A | Not found | 0 skills |
| MCP | Valid | 2026-07-28 · 39 tools · 3 resources · 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 2026-07-28 · 39 tools · 3 resources · 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
42 · inventory complete
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.
MCP tools 39
add_library_artworkinputs
artwork_id(required),draft_id(required),idempotency_key(required),version(required)archive_draftinputs
draft_id(required),idempotency_key(required),version(required)cancel_orderinputs
approved(required),grant_id,idempotency_key,order_id(required)catalogcheckoutinputs
consent_id(required),preparation_id(required)create_batchinputs
content_policy_acknowledged(required),idempotency_key(required),items(required)create_credit_topupinputs
amount_minor(required),currency(required),idempotency_key(required)create_draftinputs
content_policy_acknowledged(required),content_type,decorations,envelopeand 12 morecreate_payment_linkinputs
draft_id(required),idempotency_key(required),version(required)create_templateinputs
content_policy_acknowledged(required),content_type,envelope,idempotency_key(required) and 7 morecreate_template_draftinputs
content_policy_acknowledged(required),idempotency_key(required),recipient,recipient_idand 5 moredelete_templateinputs
idempotency_key(required),template_id(required)get_batchinputs
batch_id(required)get_checkout_preparationinputs
preparation_id(required)get_connection_identityget_credit_balanceget_credit_topupinputs
topup_id(required)get_draftinputs
draft_id(required)get_orderinputs
order_id(required)get_proofinputs
proof_id(required)get_templateinputs
template_id(required)list_address_referenceslist_agent_grantslist_credit_transactionsinputs
cursor,limitlist_draftslist_ordersinputs
client_referencelist_templatesprepare_checkoutinputs
draft_id(required),idempotency_key(required),version(required)previewinputs
draft_id(required),idempotency_key,version(required)quoteinputs
draft_id(required),version(required)quote_for_sendinputs
client_reference(required),draft_id(required),idempotency_key(required),proof_id(required) and 2 morereconcile_paymentinputs
order_id(required)remove_attachmentinputs
draft_id(required),file_id(required),idempotency_key(required),version(required)request_statusinputs
idempotency_key(required),tool(required)send_with_creditsinputs
currency(required),expected_total_minor(required),grant_id,idempotency_key(required) and 3 moreshow_letterinputs
draft_id(required),version(required)ui_diagnosticupdate_draftinputs
content_policy_acknowledged(required),content_type,decorations,draft_id(required) and 14 moreupload_attachmentinputs
content_base64(required),content_policy_acknowledged(required),draft_id(required),idempotency_key(required) and 3 more
MCP resources 3
name not shownname not shownname not shown
Not observed in this Passport: A2A skills, MCP prompts, OpenAPI operations.
Declared and observed
39 tools declare hints; the AI readings agree with all 0 that have a reading.
A disagreement is not a finding about the service: either side can be wrong. How we compare declarations and readings.
Atlas history
1 observation
- 42 capabilities · MCP 2026-07-28 · MCP endpoint validFirst observation
Fingerprint and versions
- Fingerprint
f41f8cd957a60c24843e612b482933e080078502f1f13652efde273b183fb2d8- Passport schema
- 0.5.0, passport-semantic-v4
- Consistency
- MCP_PROMPTS_ADVERTISEMENT_LIST: not applicable · MCP_RESOURCES_ADVERTISEMENT_LIST: match · 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.
About this entry
com.mailbypony/mail-by-ponyListedOfficial MCP Registry · first listed 3 Nov 2026 · last listed 3 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:e6f49cdae14810b0a0fcd77cc8ffefeaefa40e22fed843c960d0d04d919309b2- Locator SHA-256
02518bcdfdbe96b942c7ffc343d7e531c3f450ee79aadb798a77a0b92fb7fe73- Snapshot generated
- 4 Nov 2026, 07:02 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.

