"instructions": "This MCP server provides data provenance and cryptographic signing for agent state files and agent-to-agent messaging. Agent state tools: jacs_sign_state (sign files), jacs_verify_state (verify integrity), jacs_load_state (load with verification), jacs_update_state (update and re-sign), jacs_list_state (list signed docs), jacs_adopt_state (adopt external files). Memory tools: jacs_memory_save (save a memory), jacs_memory_recall (search memories by query), jacs_memory_list (list all memories), jacs_memory_forget (soft-delete a memory), jacs_memory_update (update an existing memory). Messaging tools: jacs_message_send (create and sign a message), jacs_message_update (update and re-sign a message), jacs_message_agree (co-sign/agree to a message), jacs_message_receive (verify and extract a received message). Agent management: jacs_create_agent (create new agent with keys), jacs_reencrypt_key (rotate private key password). A2A artifacts: jacs_wrap_a2a_artifact (sign artifact with provenance), jacs_verify_a2a_artifact (verify wrapped artifact), jacs_assess_a2a_agent (assess remote agent trust level). A2A discovery: jacs_export_agent_card (export Agent Card), jacs_generate_well_known (generate .well-known documents), jacs_export_agent (export full agent JSON). Trust store: jacs_trust_agent (add agent to trust store), jacs_untrust_agent (remove from trust store, requires JACS_MCP_ALLOW_UNTRUST=true), jacs_list_trusted_agents (list all trusted agent IDs), jacs_is_trusted (check if agent is trusted), jacs_get_trusted_agent (get trusted agent JSON). Attestation: jacs_attest_create (create signed attestation with claims), jacs_attest_verify (verify attestation, optionally with evidence checks), jacs_attest_lift (lift signed document into attestation), jacs_attest_export_dsse (export attestation as DSSE envelope). Security: jacs_audit (read-only security audit and health checks). Audit trail: jacs_audit_log (record events as signed audit entries), jacs_audit_query (search audit trail by action, target, time range), jacs_audit_export (export audit trail as signed bundle). Search: jacs_search (unified search across all signed documents)."
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