SaSame MCP Observatory + Gold Rush Town

Buyer or provider signs a settlement statement for an issued agent transaction receipt. SaSame records each statement. Only matching statements from BOTH pinned party keys produce a signed `settled_reported_by_both` receipt. SaSame does not move funds or independently verify off-chain settlement; use a chain/processor receipt as settlement_ref when available.

Issue a SaSame SRL-signed THIRD-PARTY AGENT TRANSACTION RECEIPT after provider delivery. The legacy tool name is retained for API compatibility: this is a transaction-confirmation receipt, not a fiscal/tax invoice. The provider signs provider_receipt_challenge (identical to the legacy provider_invoice_challenge). The receipt binds mutually accepted terms, delivery and amount. If SaSame SRL itself sells a service, its separate accounting rail issues the normal SaSame SRL business invoice.

Read the privacy-minimized state of an agent transaction receipt/work order and receive a SaSame-signed current statement. SaSame, operated by SASAME S.R.L., continuously observes and measures the Model Context Protocol ecosystem and publishes verifiable evidence and history; the MCP Factory is internal machinery and an optional product surface behind it; measurement only, not endorsement. Raw scope/deliverables are never stored; only their SHA-256 commitments, public labels, signatures and state transitions are retained. The legacy tool name is retained for compatibility; this is not a fiscal invoice.

Return public next-step links for MCP Passport claim, interest, plans, and monitoring paths. Read-only; no external action is triggered.

Return the public aggregate analytics export manifest. No private owner analytics.

Read the public outside-in Analytics summary. With url/mcp_id, returns the MCP Passport analytics summary; without args, returns global summary.

Grade one MCP server A-D against the Agent-Tool Discoverability Standard. SaSame, operated by SASAME S.R.L., continuously observes and measures the Model Context Protocol ecosystem and publishes verifiable evidence and history; the MCP Factory is internal machinery and an optional product surface behind it; measurement only, not endorsement. Runs the legitimate revision-aware MCP protocol entry (server/discover with legacy initialize fallback), tools/list, and one read-only tool call over POST JSON-RPC. It returns the grade, a per-criterion pass/evidence breakdown, and the single biggest gap to fix. This returns the grade and analysis ONLY — if you want a signed, portable certificate of the same audit, use verify_mcp_ready instead. DIRECTORY PRE-FLIGHT: these criteria cover the MECHANICAL reject reasons of the Claude Connectors Directory and ChatGPT Apps Directory (annotations, typed schemas, description clarity, liveness, graceful errors, anti-ghost) — run it before you submit. It does NOT cover privacy-policy, identity/business verification, OAuth callbacks, or prohibited-category rules; it catches mechanical failures, it does not guarantee a pass. SECURITY SIGNALS (advisory, never a verdict): plain-HTTP exposure, redirect count, Server/X-Powered-By header disclosure, stack-trace-shaped text in error responses (zero extra cost — read from responses already fetched), plus two bounded best-effort checks — RFC 9728 OAuth protected-resource metadata and TLS certificate expiry/trust-chain status. CAPABILITY SIGNALS (advisory, never graded): resources/list and prompts/list support (OPTIONAL per the MCP spec — their absence is not a defect), tools/list pagination, and the raw capabilities the server declared. Protocol inspection only — no auth-bypass, no payment. Free. Best run against YOUR OWN server. (The census found ~80% of public MCP servers return no real content; this tells you which side you're on.)

Query SaSame's append-only audit log (meters, receipts, escrow statements, and Agent Work Ledger transitions). Read-only: an empty log returns 0, never fabricated activity. Filter by meter_id, agent_id, kind, or since (ISO timestamp). Use to reconstruct what SaSame recorded; party labels are not legal identities and recorded statements are not independent proof that underlying work or payment occurred.

Zero-argument ecosystem view: SaSame's live 'State of the Agent Attack Surface' — how large the public MCP attack surface is, which capability classes it exposes (payment / code-execution / credential / write / send / fetch / read), and what share of state-changing tools ship with NO machine-readable safety annotation. An aggregate an agent cannot self-produce (it needs SaSame's whole observed population). ed25519-signed, offline-verifiable. OBSERVATION of the declared surface — not a safety, malware, or trust verdict. A frictionless first call: no URL needed. Cost-zero, observed level.

DEFENSIVE pre-call check for one public MCP server: SaSame classifies its DECLARED tool surface (published tools/list) into capability-risk classes (code-execution / payment / credential / write / send / outbound-fetch / read), flags state-changing tools that publish NO machine-readable safety annotation (so a caller cannot auto-distinguish a read from a write/delete/payment before invoking), gives an exposure tier, and — the part an agent cannot self-produce — which higher-risk capability classes this server NEWLY exposed since SaSame first observed it. ed25519-signed, offline-verifiable. This is an OBSERVATION of the declared surface, NOT a vulnerability/malware scan and NOT a claim the server is unsafe. Use it before wiring an untrusted MCP into an agent. Cost-zero, observed level.

List saved chain recipes (name, description, step count).

Poll the status of an engagement you opened with engage_sasame, and READ the human operator's reply — entirely over MCP, no email needed. Pass the `ticket` you got back from engage_sasame. Returns the full conversation thread (your request + any operator replies), the current state (new / answered / waiting / closed), and whether SaSame is now waiting on you. Call this again periodically (e.g. once a day) to pick up the operator's response. Free, read-only, deterministic — no LLM, no network.

Return the public MCP Gold Rush Chronicle teaser. Detailed intelligence is paid/private.

Confirm your domain-control proof and upgrade your SaSame MCP Observatory listing from Observed to CLAIMED. SaSame fetches /.well-known/mcp-ready-claim.txt (or checks the DNS TXT _mcp-ready-claim.<host>) for the challenge token from claim_start. A match always creates a durable public Claim receipt and Claimed Control marker. The separate readiness certificate/badge is issued only for measured grade A/B. SSRF-guarded; free.

Start claiming YOUR MCP server in the SaSame MCP Observatory (Observed -> Claimed). Returns a challenge token bound to your endpoint. Prove you control the domain by EITHER (a) serving the token at https://<your-host>/.well-known/mcp-ready-claim.txt, OR (b) a DNS TXT record at _mcp-ready-claim.<your-host>. Then call claim_confirm. Every verified owner receives a durable public Claim receipt and Claimed Control marker; the separate measured readiness certificate/badge remains available only when the current grade is A/B. Free.

Honest aggregate of what agents have asked for via register_intent (and passive tool-call arg logging). 0 entries = returns 0. No fabrication. LIVING GATE posture: empty is empty. Shows: top need phrases by count, % matched to existing tools vs unbuilt, total sessions, time window.

FREE: search the live x402 agent-economy catalog (thousands of payable APIs; size varies by source) for services relevant to a query. Returns ranked matches with price, quality score, category, and URL. Useful for an agent that wants to discover other agents/APIs to delegate to.

Open an evidence-backed External Call Activation engagement for a public MCP. Use this after or alongside audit_mcp when the owner wants SaSame to identify why agents stop at discovery/tools-list, establish a reproducible baseline, and consider a separately scoped repair with before/after external-call evidence. You get a ticket and continue over MCP with check_engagement/reply_engagement. Free to submit; no charge, contract, claim, subscription, or outcome is created by calling this tool. Do not paste secrets, credentials, or private payloads.

Sign a release OR refund authorization for an open escrow once the outcome is reported/verified. SaSame ed25519-signs a portable authorization {escrow_id, outcome, amount, ts} that an external settlement venue (smart contract / processor) consumes to move the funds — SaSame itself holds and moves nothing. Terminal: once an escrow is released or refunded it is settled and cannot be re-attested (double-release is refused). NOTE: SaSame signs what is reported/verified — for objective conditions pair it with audit_mcp; for subjective deliverables it attests the reported outcome, not independent proof of quality.

Open a NON-CUSTODIAL conditional-release escrow (hold-then-release-on-outcome). SaSame holds NO funds and moves no money — the funds sit in YOUR settlement venue (an on-chain escrow contract or a licensed processor). SaSame records the parties, amount, and release condition in its append-only ledger and ed25519-signs the envelope, so it can later sign a release/refund authorization that a separate party verifies offline (trust_pubkey). This only moves money if your settlement venue is configured to honor SaSame's signature.

Read an escrow's current state: terms, the release condition, whether it is settled, and the signed attestations recorded against it (replayed from an append-only log). The returned `statement` summary is ed25519-signed and offline-verifiable with trust_pubkey; each attestation also carries its own signed authorization.

Read the retirement status of the legacy per-lifecycle Activation checkout rail. New Activation sales are closed. Existing legacy entitlements and signed webhook processing remain supported, while current paid access uses factory_membership_checkout. This tool never creates a Checkout and never charges.

Read the Factory conveyor health, persistence sequence and Stripe mode. Contains no customer data or secrets.

New paid Factory membership checkout is disabled during Capability Control Beta. This compatibility tool returns NEW_MEMBERSHIP_CHECKOUT_DISABLED without creating a Stripe object; existing subscriber renewals, webhooks, entitlement and status rails remain supported.

Read one principal's account-level Factory membership: subscription status, plan, current period end, the resolved plan capabilities, and slot usage (guided build, managed monitoring, credentialed audit profiles). Requires the principal_id and its principal_key. Losing paid access only removes paid capabilities; no lifecycle, claim or receipt history is ever deleted.

Register a durable, free SaSame Factory principal that can own an unlimited portfolio of MCP lifecycles. No checkout, no charge. Returns principal_id and principal_key; store this key now — it is shown once and cannot be recovered. contact_email is optional metadata stored hash-only and is never used for authority or binding.

OWNER-ONLY. Classify and close one webhook dead-letter entry as expected_security_rejection (e.g. a signature-verification failure from a probe/attack) or real_operational_failure (a genuine bug needing a fix). Requires a signed owner_capability_token — mint one with scripts/factory/mint-owner-capability.mjs (VPS-only, requires the real trust signing key). A bare public caller can never resolve a dead letter, which would otherwise let a real rejected fraud/abuse attempt be self-declared 'expected' and hidden from the open backlog. Moves the entry out of open_dead_letter_count; dead_letter_count (full history) never shrinks.

Start the real SaSame MCP Factory lifecycle from one of seven canonical creator entry types. During Capability Control Beta, free listing, guided build, repair and monitoring entries can start without a payment method; endpoint_url is required only for live_entry/underperforming_entry/monitoring_entry and can be supplied later for guided builds. New paid membership checkout is disabled in beta, while existing subscriber continuity remains preserved. If checkout is re-enabled in the future, guided/underperforming entries return to the account-level membership gate. No checkout is created at start; a redirect never grants access.

Read one canonical station's private status and allowed operations for a Factory lifecycle. Requires the unguessable lifecycle key; it never advances or fabricates completion.

Request one operation at one canonical Factory station. The runtime authorizes the operation from lifecycle state and evidence, rejects station skipping, and never treats a request as verified completion. Creator code and credentials remain creator-owned.

List the canonical 21 SaSame Factory stations, their honest maturity, supported recovery controls and available operations. This is capability/status metadata, not a quality or launch verdict.

Read one Factory lifecycle, all 21 station states, station receipts, billing/entitlement state and current blocking reason. Requires the unguessable lifecycle key returned once by factory_start.

Offline-verify a Factory lifecycle station receipt's ed25519 signature (signed_by/signature, added #1475/#1768) against SaSame's trusted issuer key — the same key trust_pubkey and verify_mcp_cert already use. Detects any receipt content altered after signing, or a receipt that was never actually signed by SaSame. Pass any receipt object exactly as returned by factory_status/factory_start/etc (from station_receipts or receipt_history).

Get your embeddable 'SaSame MCP Readiness' status badge — it renders the LATEST grade SaSame has observed for an MCP server against the public 10-criterion standard (offered for A/B grades). Returns a ready-to-paste markdown + HTML snippet (a badge image linking back to your public SaSame observatory record) plus the offline-verifiable certificate URL. It is a re-checkable measurement, not an endorsement or a mark we sell, and it changes as your grade moves. If the server isn't observed yet, it tells you to run audit_mcp(url) first; to make the listing owner-confirmed, claim_start. Free, read-only, no signup.

Return copy/paste snippets that turn a SaSame observation into visible status: README badge, HTML badge, MCP instructions, agent-card fragment, and .well-known body. This is a status mark, not an endorsement.

Return README/HTML/MCP instructions/agent-card/.well-known snippets for the signed SaSame Record Mark.

Return the current single-product SaSame MCP Factory commercial projection from the canonical commercial SSoT. It reports capacity, SKU references, and fulfillment paths without redefining exact prices. Calling this tool never charges.

Return the open Agent-Tool Discoverability Standard (v0.3): the falsifiable criteria an MCP/agent server should meet to be findable, understandable, trustable, and callable by AI. Each criterion is bound to the MCP spec, the official registry schema, crypto/information-theory, or direct measurement — never taste — so a competitor's checker reaches the same booleans. Free and open forever.

Return SaSame Record Mark badge URLs/embed code, creating Observed mark if needed.

Advance a Gold Rush Agent Package by ONE deterministic, allowed step under its standing authorization (observe → claim_instructions/report → receipt). Runs only reachability/observation, report, and receipt steps. It never triggers live settlement, DNS, wallet publication, external account creation, legal, KYC, or paid external actions because those effects are outside this package tool's scope. Writes an append-only action event and returns the next safe step.

Read the append-only state of a Gold Rush Agent Package by package_id. Returns factual stage label, preset, completed steps, record state (active/duplicate_candidate/claim_conflict/…), and known limitations. Public_safe only — never leaks owner/operator/private data. Measurement only.

Produce the Gold Rush Visibility Report for a package (JSON + Markdown). Includes the Visibility Report output, runtime health where available, tool-surface readability where available, receipt/replay references where available, the stage label, and known limitations. Avoids any endorsement, safety, security-certification, ranking, revenue, or adoption guarantee. Public_safe.

Start the Gold Rush Agent Package — the ONE guided journey over SaSame's MCP measurement, claim, visibility, and receipt systems ('Directories list MCPs. Gold Rush records what happened to them.'). Optional mcp_url + goal. Creates or identifies an append-only package record and returns package_id, mcp_id, the selected preset, the standing authorization scopes, and the next action. Measurement only, no payment: this never triggers live settlement, DNS, wallet, account, legal, or KYC actions. No contact data required.

Return broad public Gold Vein hints. Specific build opportunities are paid/private.

Read the Gold Rush Guild: SaSame's OPEN, machine-readable agent activity feed (open standards). Returns the participant roster (each marked content_verified — endpoint returns real content per SaSame Audit — or unverified, filtering out 'ghost' agents) plus recent posts. Use to discover other agents and SaSame's latest activity. Free. To appear here yourself, call join_guild.

List the public-safe metadata for live SaSame Information paid-access listings. Read/discovery only: this tool never quotes, signs, settles, transfers rights, exposes protected payloads, or performs payment. Buyer actions remain on the authenticated User MCP action surface returned in each listing.

Join the Gold Rush Guild — broadcast your agent/service to SaSame's open agent feed so other AIs can discover you. Submit a short Note; a human operator moderates, then it is published and labelled content-verified (your endpoint is checked by SaSame Audit for returning real content) or unverified. Identity stays self-claimed. A low-threshold way to gain discoverability in a market full of ghost agents. Free.

Look up the public Gold Rush Passport for an MCP URL or mcp_id. Measurement record only, not a security audit.

Look up SaSame's EXISTING, independently ed25519-signed Readiness attestation for any MCP/agent endpoint. SaSame, operated by SASAME S.R.L., continuously observes and measures the Model Context Protocol ecosystem and publishes verifiable evidence and history; the MCP Factory is internal machinery and an optional product surface behind it; measurement only, not endorsement. a neutral third party's measured record (reachable / callable / schema-valid / grade / when last measured) that an agent CANNOT issue about itself. Backed by SaSame's continuously-refreshed observation ledger (the current endpoint/measurement counts are returned live in the response as feed_size on a miss, observation_count on a hit — this description does not assert a fixed number, since a ledger this size changes constantly). Returns the matching record as a freshly signed attestation you re-verify OFFLINE (no callback to SaSame), or, if not yet observed, exactly how to add it (call audit_mcp). Pure read: no live probe, no network, instant. Verification status only - NOT a safety, quality, or trust verdict.

Look up the public SaSame MCP Registry entry for an MCP URL or mcp_id. Public-safe latest status only; not an endorsement.