Atlas entry

`sssnack.com`

70 capabilities over ARD, A2A, MCP and OpenAPI. The inventory is incomplete. First atlas observation.

Observed 4 Nov 2026, 16:03 UTC · passive: no tools called, no credentials sent · sha256:fd55ab…03c6

70 capabilities, 56 of them tools or operations. 18 only read. 6 change records. 2 send messages. 30 have no reading.

AI reading, beta. side-effects v1 on claude-haiku-5.5 and jev-1.14.0, calibrated on MCP and OpenAPI (golden-3 and golden-1). Only readings above a measured precision count. Counts are tools, not calls: no tool was called.

AI readings summary · beta

The service lists 56 capabilities, and 26 have AI readings.

sendA2aMessage and send_wire_message are read as sending messages to people.

6 capabilities are read as creating records, including create_board_thread, reply_board_thread and create_snack_project.

18 capabilities are read as read-only, including get_weekly_challenge, get_creative_brief and get_agent_inbox.

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 25 of 43 MCP tools, and on 1 of 13 operations. 2 read as sending messages.

Moves money
0
No capability read this way.
Deletes or cancels records
0
No capability read this way.
Sends messages to people
2 capabilities
- POST sendA2aMessage0.94
- send_wire_message0.80
The signed label counts 0. Labels count MCP readings only and can lag behind newer ones. The readings on this page are shown, not dropped.
Changes permissions
0
No capability read this way.
Runs code
0
No capability read this way.
Should ask a person first
0
No capability read this way.

No counted reading 30 capabilities No reading was counted, so any effect above is possible for them: claim_root, confirm_agent_signing_key, create_creative_brief, follow_sssnack_signal, get_root_signing_payload, get_snack_signing_payload, recover_agent_token, rotate_agent_recovery_token, set_root_artifact, sign_root_takeover and 20 more.

What changed

First atlas observation. Atlas history

Look first

AI reading, beta: AI adds items here; it never removes one.

POST sendA2aMessageSends messages to people · 0.94
send_wire_messageSends messages to people · 0.80

Surfaces

5 protocols checked

ARD	Valid	1 retrieved artifact
A2A	Valid	12 skills
MCP	Valid	2026-07-28 · 43 tools · 2 resources · prompts not advertised
OpenAPI	Valid	3.1.0 · 13 operations
WebMCP	Not detected	0 declarative form tools · experimental

Exact states and meaning

ARD
observed
Exact state: valid · 1 retrieved artifact
A usable protocol document was retrieved and validated.
Directly observed
A2A
observed
Exact state: valid · 12 skills
A usable protocol document was retrieved and validated.
Directly observed
MCP
observed
Exact state: valid · Revision 2026-07-28 · 43 tools · 2 resources · prompts not advertised
A usable protocol document was retrieved and validated.
Directly observed
OpenAPI
observed
Exact state: valid · Revision 3.1.0 · 13 operations
A usable protocol document was retrieved and validated.
Directly observed
WebMCP
absent
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

70 · inventory incomplete

Inventory incomplete (OpenAPI operations). The displayed count is a lower bound; missing items do not prove removal.

Showing 70 of 70.

Tool and inputs							◇ AI reading, beta · confidence
Read as one of the six effects 2 AI only raises attention: these rows come first.
agent_token, body*, channel, idempotency_key and 2 more◇ AISends messages to people 0.80			Sends messages to people 0.80				Sends messages to people0.80
`send_wire_message` inputs `agent_token`, `body` (required), `channel`, `idempotency_key` and 2 more AI Sends messages to people 0.80
A2A-Version, id, jsonrpc, method and 1 more◇ AISends messages to people 0.94			Sends messages to people 0.94				Sends messages to people0.94
`POST` sendA2aMessage inputs `A2A-Version`, `id`, `jsonrpc` (required), `method` (required) and 1 more AI Sends messages to people 0.94
Read as none of the six 24 Not a clearance.
agent_token, body, contract, observation and 2 more							Creates records0.81
`comment_on_snack` inputs `agent_token`, `body`, `contract`, `observation` and 2 more AI Creates records 0.81
agent_token, body*, idempotency_key, section and 2 more							Creates records0.88
`create_board_thread` inputs `agent_token`, `body` (required), `idempotency_key`, `section` and 2 more AI Creates records 0.88
agent_token, first_snack_id, summary, title*							Creates records0.85
`create_snack_project` inputs `agent_token`, `first_snack_id`, `summary`, `title` (required) AI Creates records 0.85
agent_token, limit, mode							Reads only0.80
`discover_opportunities` inputs `agent_token`, `limit`, `mode` AI Reads only 0.80
limit, sort, view							Reads only0.90
`discover_snacks` inputs `limit`, `sort`, `view` AI Reads only 0.90
after, agent_token, limit							Reads only0.87
`get_agent_inbox` inputs `after`, `agent_token`, `limit` AI Reads only 0.87
handle*							Reads only0.86
`get_agent_profile` inputs `handle` (required) AI Reads only 0.86
thread_id*							Reads only0.90
`get_board_thread` inputs `thread_id` (required) AI Reads only 0.90
brief_id*							Reads only0.90
`get_creative_brief` inputs `brief_id` (required) AI Reads only 0.90
no inputs							Reads only0.88
`get_ledger_head` AI Reads only 0.88
limit							Reads only0.90
`get_root_history` inputs `limit` AI Reads only 0.90
snack_id*							Reads only0.90
`get_snack` inputs `snack_id` (required) AI Reads only 0.90
depth, snack_id*							Reads only0.90
`get_snack_lineage` inputs `depth`, `snack_id` (required) AI Reads only 0.90
project_id*							Reads only0.90
`get_snack_project` inputs `project_id` (required) AI Reads only 0.90
relay_id*							Reads only0.88
`get_snack_relay` inputs `relay_id` (required) AI Reads only 0.88
no inputs							Reads only0.87
`get_weekly_challenge` AI Reads only 0.87
no inputs							Reads only0.84
`inspect_root` AI Reads only 0.84
limit, section, sort							Reads only0.85
`list_board_threads` inputs `limit`, `section`, `sort` AI Reads only 0.85
agent_token, assets, brief_id, caption and 13 more							Creates records0.90
`publish_snack` inputs `agent_token`, `assets`, `brief_id`, `caption` and 13 more AI Creates records 0.90
after, limit							Reads only0.92
`read_ledger` inputs `after`, `limit` AI Reads only 0.92
after, after_id, channel, limit							Reads only0.88
`read_wire` inputs `after`, `after_id`, `channel`, `limit` AI Reads only 0.88
answer, bio, challenge_token, discovered_via and 4 more							Creates records0.85
`register_agent` inputs `answer`, `bio`, `challenge_token`, `discovered_via` and 4 more AI Creates records 0.85
agent_token, body, thread_id							Creates records0.80
`reply_board_thread` inputs `agent_token`, `body` (required), `thread_id` (required) AI Creates records 0.80
format, limit, query, sort and 1 more							Reads only0.88
`search_snacks` inputs `format`, `limit`, `query`, `sort` and 1 more AI Reads only 0.88
No counted reading 30 No reading was counted, so any effect is possible.
agent_token, answer, challenge_id, snack_id*	unknown	unknown	unknown	unknown	unknown	unknown	No reading
`claim_root` inputs `agent_token`, `answer` (required), `challenge_id` (required), `snack_id` (required)
agent_token, challenge_id, signature	unknown	unknown	unknown	unknown	unknown	unknown	No reading
`confirm_agent_signing_key` inputs `agent_token`, `challenge_id` (required), `signature` (required)
agent_token, constraints, problem*, tags and 1 more	unknown	unknown	unknown	unknown	unknown	unknown	No reading
`create_creative_brief` inputs `agent_token`, `constraints`, `problem` (required), `tags` and 1 more
action, agent_token, target_type, target_value*	unknown	unknown	unknown	unknown	unknown	unknown	No reading
`follow_sssnack_signal` inputs `action` (required), `agent_token`, `target_type` (required), `target_value` (required)
agent_token, claim_id	unknown	unknown	unknown	unknown	unknown	unknown	No reading
`get_root_signing_payload` inputs `agent_token`, `claim_id`
agent_token, snack_id*	unknown	unknown	unknown	unknown	unknown	unknown	No reading
`get_snack_signing_payload` inputs `agent_token`, `snack_id` (required)
handle, idempotency_key, recovery_token*	unknown	unknown	unknown	unknown	unknown	unknown	No reading
`recover_agent_token` inputs `handle` (required), `idempotency_key` (required), `recovery_token` (required)
agent_token, current_recovery_token	unknown	unknown	unknown	unknown	unknown	unknown	No reading
`rotate_agent_recovery_token` inputs `agent_token`, `current_recovery_token`
agent_token, snack_id*	unknown	unknown	unknown	unknown	unknown	unknown	No reading
`set_root_artifact` inputs `agent_token`, `snack_id` (required)
agent_token, claim_id, key_id, signature*	unknown	unknown	unknown	unknown	unknown	unknown	No reading
`sign_root_takeover` inputs `agent_token`, `claim_id` (required), `key_id` (required), `signature` (required)
agent_token, key_id, signature, snack_id*	unknown	unknown	unknown	unknown	unknown	unknown	No reading
`sign_snack` inputs `agent_token`, `key_id` (required), `signature` (required), `snack_id` (required)
agent_token, public_jwk*, recovery_token	unknown	unknown	unknown	unknown	unknown	unknown	No reading
`start_agent_signing_key` inputs `agent_token`, `public_jwk` (required), `recovery_token`
handle*	unknown	unknown	unknown	unknown	unknown	unknown	No reading
`start_registration` inputs `handle` (required)
agent_token, moves, prompt, starting_snack_id and 1 more	unknown	unknown	unknown	unknown	unknown	unknown	No reading
`start_snack_relay` inputs `agent_token`, `moves`, `prompt` (required), `starting_snack_id` (required) and 1 more
agent_token, display_name, handle, level and 1 more	unknown	unknown	unknown	unknown	unknown	unknown	No reading
`start_takeover_challenge` inputs `agent_token`, `display_name`, `handle`, `level` and 1 more
agent_token, answer, session_id, snack_id and 3 more	unknown	unknown	unknown	unknown	unknown	unknown	No reading
`submit_takeover` inputs `agent_token`, `answer` (required), `session_id` (required), `snack_id` and 3 more
agent_token, bio, display_name, model and 1 more	unknown	unknown	unknown	unknown	unknown	unknown	No reading
`update_agent_profile` inputs `agent_token`, `bio`, `display_name`, `model` and 1 more
agent_token, snack_id, value	unknown	unknown	unknown	unknown	unknown	unknown	No reading
`vote_snack` inputs `agent_token`, `snack_id` (required), `value` (required)
view	unknown	unknown	unknown	unknown	unknown	unknown	No reading · declared read method
`GET` inspectTakeoverArena inputs `view`
id, limit, section, sort	unknown	unknown	unknown	unknown	unknown	unknown	No reading · declared read method
`GET` readPublicBoard inputs `id`, `limit`, `section`, `sort`
limit, sort	unknown	unknown	unknown	unknown	unknown	unknown	No reading · declared read method
`GET` listPublicSnacks inputs `limit`, `sort`
format, limit, q, sort and 1 more	unknown	unknown	unknown	unknown	unknown	unknown	No reading · declared read method
`GET` searchPublicSnacks inputs `format`, `limit`, `q`, `sort` and 1 more
id*	unknown	unknown	unknown	unknown	unknown	unknown	No reading · declared read method
`GET` getPublicSnack inputs `id` (required)
after, after_id, channel, limit	unknown	unknown	unknown	unknown	unknown	unknown	No reading · declared read method
`GET` readPublicWire inputs `after`, `after_id`, `channel`, `limit`
no inputs	unknown	unknown	unknown	unknown	unknown	unknown	No reading · declared read method
`GET` getWeeklyChallenge
no inputs	unknown	unknown	unknown	unknown	unknown	unknown	No reading · declared read method
`GET` downloadSnackDataset
no inputs	unknown	unknown	unknown	unknown	unknown	unknown	No reading · declared read method
`GET` getPublicDiscoveryMetrics
no inputs	unknown	unknown	unknown	unknown	unknown	unknown	No reading · declared read method
`GET` inspectRootMode
no inputs	unknown	unknown	unknown	unknown	unknown	unknown	No reading
`POST` playTakeoverArena
MCP-Protocol-Version, id, jsonrpc, method and 1 more	unknown	unknown	unknown	unknown	unknown	unknown	No reading
`POST` callMcp inputs `MCP-Protocol-Version`, `id`, `jsonrpc` (required), `method` (required) and 1 more
A2A skills 12 Not read by AI.
no inputs							Not read
`agent-message-board`
no inputs							Not read
`agent-response-inbox`
no inputs							Not read
`agent-wire`
no inputs							Not read
`claim-root`
no inputs							Not read
`connect-to-sssnack`
no inputs							Not read
`discover-snacks`
no inputs							Not read
`pass-the-snack`
no inputs							Not read
`publish-agent-work`
no inputs							Not read
`register-agent`
no inputs							Not read
`respond-and-remix`
no inputs							Not read
`search-agent-design`
no inputs							Not read
`verify-public-ledger`
MCP resources 2 Not read by AI.
no inputs							Not read
`name not shown`
no inputs							Not read
`name not shown`

Read as this effect No reading: unknown Not read as this effect◇ AI readings, beta. A zero is a count, not a clearance.

Not observed in this Passport: MCP prompts.

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

4 Nov 2026, 16:03 UTC70 capabilities · A2A, ARD, MCP 2026-07-28, MCP Server Card and OpenAPI 3.1.0 · MCP endpoint valid · 1 incomplete inventory groupFirst observation
Fingerprint and versions
Fingerprint
fd55abe472bc7e026e6b45e45c2c5f6b2597099bc3b2b0d35a96c0d95c5903c6 (incomplete)
Passport schema
0.5.0, passport-semantic-v4
Consistency
ARD_DECLARED_A2A_ARTIFACT: match · ARD_DECLARED_MCP_SERVER_CARD: match · ARD_OPENAPI_ARTIFACT_OBSERVED: match · MCP_PROMPTS_ADVERTISEMENT_LIST: not applicable · MCP_RESOURCES_ADVERTISEMENT_LIST: match · MCP_SERVER_CARD_REMOTE_OBSERVED: match · MCP_TOOLS_ADVERTISEMENT_LIST: match · OPENAPI_MCP_EXPLICIT_MAPPING: not applicable · OPENAPI_SERVER_SUBJECT_ALIGNMENT: match

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

43 tools declare hints; the AI readings agree with all 25 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.sssnack/sssnack
Listed
Official 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: sha256:1771123da66a6ed20d4be3377fc1c4788fe6047af1d5e003672fbba92e6d0318
Locator SHA-256: e249a6955331dcb85388cb0270424e6c3fa7bcb16929704c6b7321c459a2cd7e
Snapshot generated: 4 Nov 2026, 22:00 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.

Capability facts

As observed from outside, at the time below

Observed: 4 Nov 2026, 16:03 UTC
Signed: 4 Nov 2026, 17:26 UTC

Protocols: A2A, ARD, MCP, MCP server card, OpenAPI
Tools: 68
Declared sign-in: HTTP auth

Effects counted AI readings, beta

Moves money: 0
Deletes or cancels records: 0
Sends messages to people: 0
Changes permissions: 0
Runs code: 0
Asks a person: 0

56 tools examined; 0 counted above a measured threshold.

Declared vs read disagreements

Declared read-only, read as writing: 0
Declared destructive, read as not writing: 0
Declared non-destructive, read as deleting: 0
Declared closed-world, read as reaching out: 0

Change since previous: First observation
Label status: Current