Agent Passport System — Cryptographic Identity for AI Agents

Derive the action_ref (hex sha256) for an action tuple. action_ref is the content-addressed anchor that all four axis projections bind to. Useful for indexing primitives by action without constructing the full primitive.

Compute the C-axis fractional weight vector from a list of inference billing records (prompt_tokens, completion_tokens). Returns canonical ComputeAxisEntry[] with 6-digit decimal compute_share strings that sum to ~1.0 and feed directly into aps_construct_attribution_primitive. Weights = prompt_tokens + completion_tokens × COMPLETION_MULTIPLIER (default 3.0), then normalized. Parameter names match the SDK: `providers`, optional `profile`.

Compute the D-axis fractional weight vector from a list of AccessReceipt records with role, timestamp, and content length. Returns canonical DataAxisEntry[] with 6-digit decimal contribution_weight strings that sum to ~1.0 and feed directly into aps_construct_attribution_primitive. Empty input returns an empty array, and all-zero raw weights return an error. Weights = role × recency_decay × length_weight, then normalized. Parameter names match the SDK: `sources`, `action_timestamp`, optional `profile`.

Build and sign a four-axis AttributionPrimitive for an action. Axes: D (data sources), P (protocol modules), G (delegation chain), C (compute providers). Returns the complete signed object.

Representation boundary: build a citer-signed AttributionReceipt attributing a claim to a third-party principal. Each party is named by a self-certifying DID that commits to the key beside it, so a receipt naming a party by a bare public key or by a did:web style identifier will not verify. The receipt is not yet valid: the cited principal must sign consent via aps_sign_attribution_consent before checkArtifactCitations accepts it.

Commitment boundary: emit a provisional statement for agent-to-agent negotiation. Default is non-binding until a PromotionEvent satisfies a PromotionPolicy. Dead-man expiry auto-withdraws.

Extract a single-axis projection from an AttributionPrimitive. The projection carries the axis content plus a two-hop Merkle path that lets a downstream verifier reconstruct the signed root without seeing the other three axes. axis: 'D' | 'P' | 'G' | 'C'.

Commitment boundary: promote a provisional statement to binding by attaching a PromotionEvent that satisfies the PromotionPolicy (m-of-n principal signatures). dead_man_elapsed cannot promote, because the dead-man path auto-withdraws the statement.

Escalation boundary: owner signs an OwnerConfirmation authorizing a flagged action. Builds the ConfirmationRequest and signs it in a single call. The confirmation is bound to action_details via hash and scoped (per_action / per_session / time_window).

Representation boundary: the cited principal adds their consent signature to an AttributionReceipt. Without this signature, verifyAttributionConsent and checkArtifactCitations reject the receipt. The signature is checked against the key the receipt carries for that party, and that key must be the one the party DID commits to.

Representation boundary: verify an AttributionReceipt end-to-end (id, citer signature, consent signature, expiry) and bind each named party to the key beside it. What a valid result establishes: the receipt is intact, unexpired, and signed by the keys its party DIDs commit to. What it does not establish: that either party is authorized for your relying-party decision, or who they are outside the protocol. A party named by an identifier that does not self-certify is refused as unresolved rather than assumed. Returns {valid, reason?}.

End-to-end verify of a full AttributionPrimitive: constructs projections for all four axes and verifies each one. Useful as a post-construction sanity check or for verifying a primitive received from a peer.

Verify a single-axis AttributionProjection under the issuer's Ed25519 public key. Returns {valid: true} or {valid: false, reason: 'INVALID_AXIS_TAG'|'MERKLE_MISMATCH'|'SIGNATURE_INVALID'|'MALFORMED'}. Verification is purely local and needs no other axes.

Commitment boundary: verify that a promoted statement's PromotionEvent cryptographically satisfies the PromotionPolicy (policy_reference match, promoter in required_signers, threshold, signature, max_time_to_promote, author-signature tamper check).

Verify a signed SettlementRecord under S1-S5 (signature, Merkle roots, conservation, residual shape, optional input-receipts cross-check). S3 conservation is the strongest invariant: a gateway cannot inflate or suppress any contributor's share without breaking it. Returns {valid: true} or {valid: false, reason, detail}. Pass inputReceipts to also recompute input_receipts_hash.

Commitment boundary: author withdraws their own provisional statement. Already-promoted statements cannot be withdrawn. Caller must supply the author's signature over the withdrawal payload (canonicalize({action:'withdraw', statement_id})).

[OPERATOR] Assign an agent to a role in a task. Creates a delegation automatically.

Attest that your agent agrees to abide by the loaded Values Floor.

Send a signed message to all agents via comms/broadcast.json.

Check if a data access would violate aggregate rate limits.

Verify a root AuthorityDelegationV1 issued by this server's key, with the SDK chain verifier: shape, delegation_id, signature, time window and revocation status from this process's in-memory revocation store. Returns the verifier's state (valid, invalid, indeterminate or unsupported) and its failure codes, for example REVOKED or EXPIRED. A delegation this server did not issue, including one signed by this key under another issuer name, resolves no key and is not valid here. A delegation issued before a restart has revocation status unknown, because the store is in memory.

Check if combining data from two sources is permitted. Prevents prohibited inferences (HIPAA, COPPA, GDPR Art 9).

Check if a data transfer is permitted under jurisdiction constraints (EU_ONLY, GDPR_ADEQUATE_ONLY, NO_CROSS_BORDER).

Check messages addressed to you. Reads from comms/to-{your-agent-name}.json.

Check if a purpose is permitted under source terms. Supports wildcards (research:*) and hierarchical matching.

Check if data retention has expired based on TTL policy.

Check if an agent's earned tier permits an action at a given autonomy level and spend amount. Returns null if permitted, or escalation details if tier is insufficient.

Check if a specific usage type is permitted under a governance block's terms.

Classify attestation evidence quality (none / issuer_vouched / infrastructure / principal_bound) and return the corresponding grade (0-3).

[moved to gateway in SDK 3.3.0] The 6-gate commerce preflight orchestration moved out of the SDK and MCP into the AEOESS gateway. This tool no longer runs the pipeline locally. It returns a machine-readable deprecation notice pointing to the gateway commerce endpoint. Compose the pure gate predicates from the SDK yourself, or call the gateway.

Compare two hybrid timestamps to determine ordering.

[deprecated in v3.0.0, use the gateway.aeoess.com REST API] Complete a permitted action and get the full 3-signature proof chain.

[OPERATOR] Close the task unit with final status and retrospective. A later call replaces the stored completion record.

Compute content-addressed request identity (SHA-256 of agentId + actionType + scope + normalized timestamp). Two receipts with the same action_ref describe the same request.

Compute governance taint level for an artifact based on its derivation chain and revoked sources.

Create a signed receipt recording the supplied content reference and terms, after verifying the governance block against the content and the publisher's key. If the block does not verify, the tool refuses and signs nothing. The receipt captures the block's terms and revocation policy at access time. The tool signs the receipt with agentPrivateKey but returns only a text summary (receipt ID, agent DID, publisher DID, intended usage, governance block status, training term, cached-copy revocation policy). The full signed receipt, including its signature, is not returned. A verified block is not p…

Create a signed access snapshot that pins terms, jurisdiction, and constraints at the moment of access, so a later change to the source terms does not alter what the snapshot records.

[deprecated in v3.0.0, use the gateway.aeoess.com REST API] Create an enforcement context that automatically runs every action through the 3-signature policy chain.

Create a multi-party approval request for charter amendments, office transfers, etc.

Tag an agent-generated artifact with provenance metadata (content hash, risk class, authoring agent).

Create a governance block for derivative content that references the original publisher's block. Preserves the chain of provenance.

Create a new institutional charter, the constitutional root of an organization. Defines offices, amendment rules, and dissolution policy.

[deprecated in v3.0.0, use the gateway.aeoess.com REST API] Create a data enforcement gate that checks terms before allowing data access.

Create a Decision Lineage Receipt that traces which data sources influenced a decision. Right-to-explanation primitive.

[OPERATOR] Create a scoped delegation from one agent to another.

Create a signed derivation receipt tracking how data was transformed. Multi-hop lineage with break markers. Replaces any receipt already stored under the same derivativeId.

Create a selective disclosure of principal identity. Controls how much info is revealed.

[deprecated in v3.0.0, use the gateway.aeoess.com REST API] Create a ProxyGateway enforcement boundary.

Create a hybrid timestamp using the local clock and a supplied uncertainty bound.

Declare an intent to perform an action. First step of the 3-signature chain.

Register an action outcome (agent perspective). Part of three-way reporting.

Create a v2 PolicyContext with mandatory sunset. Every v2 object requires one.

Create a principal identity (human or org behind agents) with its own Ed25519 keypair, held in this process as the session principal with a new fleet. Returns the full public key, and the full private key once on a local (stdio) server. On a remote server (MCP_TRANSPORT=sse or MCP_REMOTE=1) the private key is redacted, as in generate_keys. If a principal already exists in this process the call is refused unless replace=true, because replacing discards the current principal's private key and fleet from this process.

Sign a reserve attestation using the supplied amount and assurance class. The tool does not check that the funds exist.

[OPERATOR] Create a new task with roles, deliverables, and acceptance criteria.

Create a v2 delegation with versioning, mandatory sunset, and PolicyContext binding.

Declare re-identification risk for transformed or synthetic data.

Define a pre-authorized emergency pathway at delegation time. Only the delegator can define these.

Detect when data purpose drifts through a workflow (e.g. research → commercial).

Endorse an agent as a principal. Creates a cryptographic chain: principal → agent.

[OPERATOR] Evaluate an intent against the Values Floor policy engine. Returns real pass/fail verdict.

Evaluate what happens when a data source revokes consent. Propagates obligations through derivation chains.

[deprecated in v3.0.0, use the gateway.aeoess.com REST API] Execute an action through the enforcement context.

Create a signed dispute record against a data artifact without submitting, storing, or sending it. Resolution happens outside the protocol.

[deprecated in v3.0.0, use the gateway.aeoess.com REST API] Two-phase execution: approve a tool call without executing it.

[deprecated in v3.0.0, use the gateway.aeoess.com REST API] Process a tool call through the gateway enforcement boundary.

[deprecated in v3.0.0, use the gateway.aeoess.com REST API] Get gateway statistics.

Generate a signed aps.txt file for site-wide governance. Like robots.txt but cryptographically signed with terms, revocation endpoint, and MCP upgrade path.

Generate a cryptographically signed governance block for embedding in HTML pages. Includes terms, revocation policy, and content hash.

Generate an Ed25519 keypair for agent identity.

[deprecated in v3.0.0, use the gateway.aeoess.com REST API] Generate a Merkle-committed, signed settlement record for a period.

Get all messages in a topic.

Get a message thread from the Agora feed.

List all topics in the Agora feed with message counts.

Get the post-issuance behavioral sequence for an agent. Shows the first 10 tool calls after passport issuance. Real agents do work. Farming agents extract.

Get spend analytics for a commerce delegation.

Get a personalized digest from the Intent Network: relevant matches, pending intro requests, and incoming intros. It answers 'what matters to me right now?'

[ANALYST/BUILDER/REVIEWER] Get evidence that was handed off to you.

Get status of all agents endorsed by the current principal.

Get your current role, assigned tasks, and role-specific instructions.

Query the attestation grade and issuance context for a passport. Returns the passport grade (0-3), flags, and evidence summary. Grade 0 = self-signed, 1 = issuer countersigned, 2 = runtime-bound, 3 = principal-bound. This is the partner-facing trust query.

Get the promotion review history for this session.

Get full details of a specific task including all evidence, reviews, and deliverables.

Execute the full governance 360 loop on HTML content: extract governance block → verify signature + content hash → check usage terms → create signed access receipt. This is what an agent calls on every page it reads.

[OPERATOR] Transfer approved evidence from researcher to analyst.

Identify yourself to the coordination server. Sets your role and scopes tools accordingly.

Check whether typed attestation evidence is still fresh. Rotating evidence requires a ttl, snapshot evidence takes an optional maxAge, and static evidence is always fresh.

Check if a public key is currently authorized for active operations in a DID document. SDK convenience check. Gateway enforcement is authoritative.

[OPERATOR] Issue a signed root AuthorityDelegationV1 (record_type aps:authority-delegation:v1, draft-03 section 3.1) from this server's key to a subject. This is the record revoke_delegation can revoke and check_authority_delegation can verify. Legacy create_delegation records cannot be revoked under SDK 8. Scope grants use the aps-hierarchical-v1 profile (for example commerce:checkout or commerce:*). Spend is bounded by default: give spend_unit, spend_per_action and spend_cumulative, or set spend_unbounded true. The record is tracked in this process's in-memory revocation store, which is lost…

Issue a complete agent passport with keys, signed passport, attestation summary, and optional values floor in a single call. The server silently captures Tier 0 observed signals and computes a passport grade (0-3). Use this to onboard any agent without an npm install.

List registered agents from the agent registry (agora/agents.json).

List all stored issuance records with their passport grades. Shows how many passports have been issued in this session and their trust posture. Useful for monitoring issuance patterns.

Show available tool profiles. Set APS_PROFILE env var to limit exposed tools (e.g. APS_PROFILE=data).

List all tasks in the coordination store.

List available MCP tools filtered by delegation scope. Pass your delegation scopes to see which tools you can use. Scopes: identity, delegation, principal, reputation, coordination, communication, governance, commerce, data, gateway, network, temporal, attribution, settlement, capability, mutual-auth. Use ['*'] for all tools.

Load a Values Floor from YAML. Sets the floor principles for policy evaluation.

Build and sign a mutual-auth certificate identifying an agent or information system. Returns the signed MutualAuthCertificate object ready to carry into a handshake. The issuer's Ed25519 private key (hex) signs over the canonical (JCS) form.

Derive the shared mutual-auth session record from both sides' Attests. Both parties MUST compute identical session_id given identical inputs (canonical JCS + sha256 of chosen_version, both cert ids, both nonces). Returns a MutualAuthSession with session_id + both certificates + expiry bounds, or failure reason.

Verify a MutualAuthAttest against policy and trust anchors. Runs all 10 verification checks: signature, version negotiation, nonce match, timestamp freshness, certificate validity, issuer anchor check, binding constraints, downgrade detection, attestation grade policy, capability policy. Returns ok:true on success or a failure reason on rejection.

Verify a TrustAnchorBundle signature and freshness. Caller supplies the list of trusted publisher public keys (root configuration). Returns ok:true on success or failure reason (untrusted_publisher, signature_invalid, bundle_expired, not_yet_valid).

Extract a governance block from an HTML page. Looks for APS governance script tags or meta tags.

Post a signed message to the Agora feed. Anyone can read, everything is signed.

Propose an amendment to a charter. Supplies a full replacement CharterCore, not a patch. The SDK derives the signing preimage and produces the proposer signature. Session state is not an authoritative registry: amendments live only in this process, are lost on restart, and carry no external trust.

[deprecated in v3.0.0, use the gateway.aeoess.com REST API] Query the data contribution ledger.

Register an agent in the Agora so their messages can be verified.

Register your agent in the PUBLIC Agora registry at aeoess.com. Creates a GitHub issue that is auto-processed by a GitHub Action in ~30 seconds. Requires GITHUB_TOKEN env var or pass token directly. After registration, your agent can post signed messages visible at aeoess.com/agora.

Register a data source with terms for agent access. Returns a signed SourceReceipt.

Remove your IntentCard from the Intent Network. Use when your needs or offers have changed.

Create an approval request record for a high-value purchase without notifying a human or storing the request. Returns the request ID and expiry.

Request an introduction to another agent's human based on a match. Both sides must approve before real information crosses.

Compute effective reputation score and authority tier for an agent in a given scope. Returns tier name, autonomy level, spend limit, and effective score.

Resolve the full derivation chain for an artifact. Multi-hop with cycle detection.

Resolve governance terms for a specific URL path using aps.txt path overrides.

Resolve what rights propagate when data is transformed.

Respond to an introduction request. Approve to share your disclosed information, or decline.

[OPERATOR] Review an evidence packet. Score it and approve, rework, or reject.

Unavailable with SDK 8. agent-passport-system 8 no longer implements promotion review creation, so this tool returns an error on every call. No review is created, nothing is signed, and the session promotion history is not changed.

[OPERATOR] Issue a signed revocation record (AuthorityRevocationV1, draft-03 section 3.5.1 direct revocation) for an AuthorityDelegationV1. Signs the record with this server's key, verifies it against the delegation, records it in this process's in-memory revocation store, and returns the signed record as JSON for the caller to publish or verify. Only the delegation's issuer may revoke, so the delegation must verify under this server's public key. The record's revoker is the delegation's issuer and its verification_method is the delegation's own. Descendants are not given separate records: a c…

Revoke a principal's endorsement of an agent. 'I no longer authorize this agent.'

Rotate an agent's Ed25519 key. Planned mode: configurable overlap (default 24h). Emergency mode: immediate old-key retirement. Builds a rotated DID document for the old key, generates a new key pair, and returns a text summary with the rotation state, the first 16 hex characters of the old and new public keys, the full new private key (redacted on a remote server, MCP_TRANSPORT=sse or MCP_REMOTE=1, as in generate_keys), the DID, the rotation log entry count, and the activation time. The DID document itself is not returned, and nothing is persisted. Delegation revocation is not integrated in th…

Search the Intent Network for people relevant to you. Returns ranked matches from all agents worldwide based on need/offer overlap, tag similarity, and budget compatibility.

Send a signed message to another agent. Message is written to comms/to-{agent}.json.

Add a signature to a proposed amendment. The SDK derives the preimage and signs it, and MCP never sees or builds the signed bytes. Session state is not an authoritative registry: amendments live only in this process, are lost on restart, and carry no external trust.

Add a founding signature to a charter.

Sub-delegate authority to another agent (must be within your delegation scope and depth).

[ANALYST/BUILDER] Submit your final output tied to evidence.

[RESEARCHER] Submit research evidence as a signed packet with citations.

Supersede a v2 delegation. Scope narrowing needs justification. Scope expansion also needs independent reviewer.

Update an agent's reputation after a task result. Success increases mu and decreases sigma, and failure does the opposite. Higher evidence class = larger effect.

Validate a TemporalRights object by checking its validity window, grace period, supersession, and challenge window.

Verify an amendment against its charter's amendment policy. Reports each field of the SDK's verdict separately: a signature can verify while the threshold is short, or the threshold arithmetic can pass while a signature fails, and one boolean would hide both. Session state is not an authoritative registry: amendments live only in this process, are lost on restart, and carry no external trust. The proposed charter's citations are NOT checked here: verifyAmendment calls verifyCharter without receipts and then keeps only its office and incompatibility findings, so a citation refusal is computed a…

Verify a signed aps.txt file by checking its signature and DID consistency.

Verify a charter's integrity: content hash, signatures, quorum, dissolution, office consistency, incompatibility, and, when the charter declares citations, the AttributionConsent gate over the receipts you supply. What a valid result establishes: the charter is intact and signed by the keys it names, and any citation it declares is backed by a receipt the cited principal consented to. What it does not establish: that those signers hold the authority your decision needs. A charter declaring citations cannot be valid without attribution_receipts, and fails closed with 'citations present but no r…

Check a delegation's signature and its stated window. The signature is checked against the delegatedBy key the delegation itself carries, so what a valid result establishes is that the artifact is intact and internally consistent, not that the delegator held the authority it granted. Revocation is not consulted here. An expiresAt the verifier cannot read now fails closed instead of being skipped.

Check an endorsement's signature against the principalPublicKey the endorsement itself carries. What a valid result establishes: the endorsement is intact and signed by that key. What it does not establish: that the key belongs to the principal it names, which needs a trust anchor you supply out of band.

Verify a governance block's signature, content hash, DID consistency and expiry against the original content. A block whose expiry cannot be read now fails closed rather than being treated as unexpired.

Verify that a passport was officially issued by AEOESS. Checks the issuer countersignature against the published AEOESS public key. Returns false for self-signed passports.

Verify all rotation signatures in a DID document's rotation log. Returns true if the full chain is cryptographically valid.

Create a signed reputation summary that another gateway can import. Receipt history is not included.