Vigil MCP
Provides agent control, signed receipts, watchdogs, opaque journal storage, and optional paid source verification. It allows agents to lease actions, notarize digests, verify receipts, and manage watchdogs for monitoring.
Endpoint and access
No sign-in to connect and list tools. Individual tools may still need a vendor account, credentials, or permissions; check the documented prerequisites.
POST /v1/register with {"handle":"your-name"} returns a once-issued bearer key.
MCP endpoint (Streamable HTTP)
https://vigilnotary.com/mcpWhat its tools do
26 tools, grouped by the hints the server advertises. Hints are self-declared, not verified behavior.
Read-only (13)
Checks and signals
Each line is separate evidence, not a trust score.
- Passed Endpoint answered the live check ·
- Passed Official MCP Registry namespace is tied to vigilnotary.com ·
- Passed Endpoint is on the registry namespace domain ·
- Availability 1 of 1 checks passed in 30 days
What you can do with it
- Lease agent actions with signed receipts
- Notarize data digests for audit trails
- Set up watchdogs to monitor external events
- Verify source claims for AI agents
Source and maintenance
Vendor evidenceRegistry 0.1.0
Protocol and capabilities
- Server
- vigil 0.1-mvp
- MCP protocol negotiated in check
- 2025-06-18
- Tools
- 26 advertised
- Resources
- Not advertised
- Resource templates
- Not advertised
- Prompts
- Not advertised
Server-advertised capabilities
{
"tools": {
"listChanged": false
}
}Server-provided instructions
Untrusted server output shown for inspection. It is not Koskamo guidance and is excluded from knowledge search.
Tools
26 advertised
vigil_info
Advertised read-only
Service description, the Ed25519 signing pubkey to verify receipts against, current chain head, and free-tier limits. No key required.
vigil_info input schema
{
"type": "object",
"examples": [
{}
],
"properties": {},
"additionalProperties": false
}vigil_info annotations
{
"readOnlyHint": true,
"openWorldHint": false,
"idempotentHint": true,
"destructiveHint": false
}vigil_register
Create a key. Returns a bearer key shown ONCE — store it; it is your only identity. No email, no account. Starts on the free tier. Creates a persistent identity. The returned key grants full account control; provision it in a trusted client, not a model transcript.
vigil_register input schema
{
"type": "object",
"examples": [
{
"handle": "example-agent"
}
],
"required": [
"handle"
],
"properties": {
"handle": {
"type": "string",
"pattern": "^[a-z0-9][a-z0-9_-]{0,63}$",
"maxLength": 64,
"minLength": 1,
"description": "1-64 chars, lowercase alnum plus - and _."
}
},
"additionalProperties": false
}vigil_register annotations
{
"readOnlyHint": false,
"openWorldHint": false,
"idempotentHint": false,
"destructiveHint": false
}vigil_pricing
Advertised read-only
The plans and per-tier limits (free, dev, pro). No key required.
vigil_pricing input schema
{
"type": "object",
"examples": [
{}
],
"properties": {},
"additionalProperties": false
}vigil_pricing annotations
{
"readOnlyHint": true,
"openWorldHint": false,
"idempotentHint": true,
"destructiveHint": false
}vigil_usage
Advertised read-only
Your current tier, its limits, and how much you've used today. Requires your key.
vigil_usage input schema
{
"type": "object",
"examples": [
{}
],
"required": [],
"properties": {
"vigil_key": {
"type": "string",
"maxLength": 256,
"minLength": 1,
"deprecated": true,
"description": "DEPRECATED legacy account-wide credential, including deletion and permission issuance. Prefer the client-injected HTTP Authorization: Bearer header; omit this argument when that header authenticates the request. This is not a scoped agent token."
}
},
"additionalProperties": false
}vigil_usage annotations
{
"readOnlyHint": true,
"openWorldHint": false,
"idempotentHint": true,
"destructiveHint": false
}vigil_notarize
Notarize work: POST the sha256 (64 hex chars) of anything and get back an Ed25519-signed, timestamped, hash-chained, serial-numbered receipt. Chain position orders submitted records; the timestamp is a signed assertion of Vigil's clock. Free tier: 10/day. Irreversibly publishes the digest, label and account handle in the public chain; no deletion tool exists. It proves signed-data integrity, not that an action happened or a claim is true.
vigil_notarize input schema
{
"type": "object",
"examples": [
{
"label": "public example digest",
"subject_sha256": "0000000000000000000000000000000000000000000000000000000000000000"
}
],
"required": [
"subject_sha256"
],
"properties": {
"label": {
"type": "string",
"maxLength": 200,
"description": "Optional human label, <=200 chars. Public — do not put secrets here."
},
"vigil_key": {
"type": "string",
"maxLength": 256,
"minLength": 1,
"deprecated": true,
"description": "DEPRECATED legacy account-wide credential, including deletion and permission issuance. Prefer the client-injected HTTP Authorization: Bearer header; omit this argument when that header authenticates the request. This is not a scoped agent token."
},
"subject_sha256": {
"type": "string",
"pattern": "^[0-9a-fA-F]{64}$",
"maxLength": 64,
"minLength": 64,
"description": "64 lowercase hex chars: the sha256 of the thing you are notarizing."
}
},
"additionalProperties": false
}vigil_notarize annotations
{
"readOnlyHint": false,
"openWorldHint": false,
"idempotentHint": false,
"destructiveHint": false
}vigil_get_receipt
Advertised read-only
Fetch a receipt by serial number. Public — anyone can read any receipt.
vigil_get_receipt input schema
{
"type": "object",
"examples": [
{
"serial": 1
}
],
"required": [
"serial"
],
"properties": {
"serial": {
"type": "integer",
"maximum": 9223372036854776000,
"minimum": 1,
"description": "The receipt serial number."
}
},
"additionalProperties": false
}vigil_get_receipt annotations
{
"readOnlyHint": true,
"openWorldHint": false,
"idempotentHint": true,
"destructiveHint": false
}vigil_verify_receipt
Advertised read-only
Verify a receipt's hash and Ed25519 signature against a mandatory, independently pinned Ed25519 public key. The key must not come from the receipt being checked. Returns valid=false for tampering, forgery, a wrong signer, or malformed input. Read-only and local to Vigil.
vigil_verify_receipt input schema
{
"type": "object",
"required": [
"receipt",
"pubkey_hex"
],
"properties": {
"receipt": {
"type": "object",
"description": "A full receipt object as returned by vigil_notarize / vigil_get_receipt."
},
"pubkey_hex": {
"type": "string",
"pattern": "^[0-9a-f]{64}$",
"maxLength": 64,
"minLength": 64,
"description": "Mandatory Ed25519 public key pinned from a trusted out-of-band source; never copy it from the receipt."
}
},
"additionalProperties": false
}vigil_verify_receipt annotations
{
"readOnlyHint": true,
"openWorldHint": false,
"idempotentHint": true,
"destructiveHint": false
}vigil_chain
Advertised read-only
Read a range of receipts to audit chain continuity. Max 1000 per call.
vigil_chain input schema
{
"type": "object",
"examples": [
{
"to_serial": 10,
"from_serial": 1
}
],
"properties": {
"to_serial": {
"type": "integer",
"maximum": 9223372036854776000,
"minimum": 1,
"description": "Last serial (default = from_serial)."
},
"from_serial": {
"type": "integer",
"maximum": 9223372036854776000,
"minimum": 1,
"description": "First serial (default 1)."
}
},
"additionalProperties": false
}vigil_chain annotations
{
"readOnlyHint": true,
"openWorldHint": false,
"idempotentHint": true,
"destructiveHint": false
}vigil_set_watchdog
Advertised destructiveOpen-world
Arm a dead-man switch. Register an interval and an https webhook; then call vigil_heartbeat before each interval elapses. Miss one and Vigil attempts a signed 'absence' payload to your webhook, retrying failed delivery. Free tier: 1 watchdog. Overwrites an existing watchdog and resets its timer and delivery state. A missed heartbeat sends the supplied message to an external HTTPS recipient; failed delivery is capped at five attempts per armed interval.
vigil_set_watchdog input schema
{
"type": "object",
"examples": [
{
"name": "agent-health",
"message": "agent missed heartbeat",
"interval_s": 300,
"webhook_url": "https://alerts.example.com/vigil"
}
],
"required": [
"name",
"interval_s",
"webhook_url"
],
"properties": {
"name": {
"type": "string",
"maxLength": 64,
"minLength": 1,
"description": "A name for this watchdog, 1-64 chars."
},
"message": {
"type": "string",
"maxLength": 2000,
"description": "Optional note included in the absence payload, <=2000 chars."
},
"vigil_key": {
"type": "string",
"maxLength": 256,
"minLength": 1,
"deprecated": true,
"description": "DEPRECATED legacy account-wide credential, including deletion and permission issuance. Prefer the client-injected HTTP Authorization: Bearer header; omit this argument when that header authenticates the request. This is not a scoped agent token."
},
"interval_s": {
"type": "integer",
"maximum": 604800,
"minimum": 60,
"description": "Seconds allowed between heartbeats, 60..604800."
},
"webhook_url": {
"type": "string",
"pattern": "^https://[^\\s]+$",
"maxLength": 2048,
"minLength": 1,
"description": "An https URL resolving to a public address; fired once on a missed heartbeat."
}
},
"additionalProperties": false
}vigil_set_watchdog annotations
{
"readOnlyHint": false,
"openWorldHint": true,
"idempotentHint": false,
"destructiveHint": true
}vigil_heartbeat
Advertised destructive
'Still alive.' Reset a watchdog's timer. Call this at least once per interval. Resets the deadline and delivery state, potentially suppressing an overdue alert or rearming delivery.
vigil_heartbeat input schema
{
"type": "object",
"examples": [
{
"name": "agent-health"
}
],
"required": [
"name"
],
"properties": {
"name": {
"type": "string",
"maxLength": 64,
"minLength": 1,
"description": "Watchdog name, 1..64 characters."
},
"vigil_key": {
"type": "string",
"maxLength": 256,
"minLength": 1,
"deprecated": true,
"description": "DEPRECATED legacy account-wide credential, including deletion and permission issuance. Prefer the client-injected HTTP Authorization: Bearer header; omit this argument when that header authenticates the request. This is not a scoped agent token."
}
},
"additionalProperties": false
}vigil_heartbeat annotations
{
"readOnlyHint": false,
"openWorldHint": false,
"idempotentHint": false,
"destructiveHint": true
}vigil_watchdog_status
Advertised read-only
Read a watchdog's state: interval, last beat, whether it is overdue, fired, or exhausted.
vigil_watchdog_status input schema
{
"type": "object",
"examples": [
{
"name": "agent-health"
}
],
"required": [
"name"
],
"properties": {
"name": {
"type": "string",
"maxLength": 64,
"minLength": 1,
"description": "Watchdog name, 1..64 characters."
},
"vigil_key": {
"type": "string",
"maxLength": 256,
"minLength": 1,
"deprecated": true,
"description": "DEPRECATED legacy account-wide credential, including deletion and permission issuance. Prefer the client-injected HTTP Authorization: Bearer header; omit this argument when that header authenticates the request. This is not a scoped agent token."
}
},
"additionalProperties": false
}vigil_watchdog_status annotations
{
"readOnlyHint": true,
"openWorldHint": false,
"idempotentHint": true,
"destructiveHint": false
}vigil_delete_watchdog
Advertised destructive
Remove a watchdog. Destructive: deletes its configuration and stops future alerts. No undo or restoration of the previous timer is provided.
vigil_delete_watchdog input schema
{
"type": "object",
"examples": [
{
"name": "agent-health"
}
],
"required": [
"name"
],
"properties": {
"name": {
"type": "string",
"maxLength": 64,
"minLength": 1,
"description": "Watchdog name, 1..64 characters."
},
"vigil_key": {
"type": "string",
"maxLength": 256,
"minLength": 1,
"deprecated": true,
"description": "DEPRECATED legacy account-wide credential, including deletion and permission issuance. Prefer the client-injected HTTP Authorization: Bearer header; omit this argument when that header authenticates the request. This is not a scoped agent token."
}
},
"additionalProperties": false
}vigil_delete_watchdog annotations
{
"readOnlyHint": false,
"openWorldHint": false,
"idempotentHint": true,
"destructiveHint": true
}vigil_grant_lease
Advertised destructive
Grant a short-lived, Ed25519-signed LEASE authorizing an agent to perform an action until it expires. A customer-run gateway verifies the lease offline (fail-closed) before letting the action through. This is the guard on a money/data-moving action. Free tier: 1 active lease (guarded agent). Security-sensitive: grants authority. Keep this account key outside the controlled agent. A signed lim string is enforced only by the customer's gateway.
vigil_grant_lease input schema
{
"type": "object",
"examples": [
{
"lim": "amount<=100usd",
"agent": "refund-agent",
"ttl_s": 60,
"action": "stripe.refund"
}
],
"required": [
"agent",
"action",
"ttl_s"
],
"properties": {
"lim": {
"type": "string",
"maxLength": 256,
"description": "Optional limit string the gateway enforces, e.g. 'amount<=50usd'."
},
"agent": {
"type": "string",
"maxLength": 128,
"minLength": 1,
"description": "Identifier for the agent being authorized (1-128 chars)."
},
"ttl_s": {
"type": "integer",
"maximum": 604800,
"minimum": 5,
"description": "Lease lifetime in seconds, 5..604800. Keep it short; renew to extend."
},
"action": {
"type": "string",
"maxLength": 128,
"minLength": 1,
"description": "The action class this lease authorizes, e.g. 'stripe.refund' (1-128 chars)."
},
"vigil_key": {
"type": "string",
"maxLength": 256,
"minLength": 1,
"deprecated": true,
"description": "DEPRECATED legacy account-wide credential, including deletion and permission issuance. Prefer the client-injected HTTP Authorization: Bearer header; omit this argument when that header authenticates the request. This is not a scoped agent token."
}
},
"additionalProperties": false
}vigil_grant_lease annotations
{
"readOnlyHint": false,
"openWorldHint": false,
"idempotentHint": false,
"destructiveHint": true
}vigil_renew_lease
Advertised destructive
Extend a lease with a fresh signed token and new expiry. Renewing is how a healthy agent keeps acting; stop renewing (or revoke) and it lapses. Security-sensitive: extends authority and refreshes the offline recheck window. Keep renewal credentials outside the controlled agent.
vigil_renew_lease input schema
{
"type": "object",
"examples": [
{
"ttl_s": 60,
"lease_id": "lease_example"
}
],
"required": [
"lease_id",
"ttl_s"
],
"properties": {
"ttl_s": {
"type": "integer",
"maximum": 604800,
"minimum": 5,
"description": "Requested lease lifetime in seconds, 5..604800; offline trust still ends at recheck_by_ms within 30 seconds."
},
"lease_id": {
"type": "string",
"maxLength": 128,
"minLength": 1,
"description": "Opaque lease identifier returned by vigil_grant_lease."
},
"vigil_key": {
"type": "string",
"maxLength": 256,
"minLength": 1,
"deprecated": true,
"description": "DEPRECATED legacy account-wide credential, including deletion and permission issuance. Prefer the client-injected HTTP Authorization: Bearer header; omit this argument when that header authenticates the request. This is not a scoped agent token."
}
},
"additionalProperties": false
}vigil_renew_lease annotations
{
"readOnlyHint": false,
"openWorldHint": false,
"idempotentHint": false,
"destructiveHint": true
}vigil_revoke_lease
Advertised destructive
Revoke a lease. A compliant v2 gateway refuses the old offline token at recheck_by_ms (at most 30 seconds after issue/renewal), or earlier if it polls revocation. Revocation is not instantaneous. Irreversible for this lease ID; it cannot be renewed again. Already admitted actions are not undone.
vigil_revoke_lease input schema
{
"type": "object",
"examples": [
{
"lease_id": "lease_example"
}
],
"required": [
"lease_id"
],
"properties": {
"lease_id": {
"type": "string",
"maxLength": 128,
"minLength": 1,
"description": "Opaque lease identifier returned by vigil_grant_lease."
},
"vigil_key": {
"type": "string",
"maxLength": 256,
"minLength": 1,
"deprecated": true,
"description": "DEPRECATED legacy account-wide credential, including deletion and permission issuance. Prefer the client-injected HTTP Authorization: Bearer header; omit this argument when that header authenticates the request. This is not a scoped agent token."
}
},
"additionalProperties": false
}vigil_revoke_lease annotations
{
"readOnlyHint": false,
"openWorldHint": false,
"idempotentHint": true,
"destructiveHint": true
}vigil_lease_status
Advertised read-only
Public status of a lease (active / expired / revoked). What a gateway polls for revocation. No key required.
vigil_lease_status input schema
{
"type": "object",
"examples": [
{
"lease_id": "lease_example"
}
],
"required": [
"lease_id"
],
"properties": {
"lease_id": {
"type": "string",
"maxLength": 128,
"minLength": 1,
"description": "Opaque lease identifier returned by vigil_grant_lease."
}
},
"additionalProperties": false
}vigil_lease_status annotations
{
"readOnlyHint": true,
"openWorldHint": false,
"idempotentHint": true,
"destructiveHint": false
}vigil_verify_lease
Advertised read-only
Offline, FAIL-CLOSED check of a lease token against a mandatory, independently pinned Ed25519 public key. Returns allow=true only for a valid signature before expiry and recheck_by_ms. It does not authenticate the calling agent, enforce action/amount policy, or query live revocation; a customer gateway must do those checks before every provider action. Checks signature, expiry and the signed recheck deadline only. It does not check live revocation, agent identity, action, amount or gateway policy; those checks are mandatory at the gateway.
vigil_verify_lease input schema
{
"type": "object",
"required": [
"lease",
"pubkey_hex"
],
"properties": {
"lease": {
"type": "object",
"description": "A full lease token from vigil_grant_lease."
},
"pubkey_hex": {
"type": "string",
"pattern": "^[0-9a-f]{64}$",
"maxLength": 64,
"minLength": 64,
"description": "Mandatory Ed25519 public key pinned from a trusted out-of-band source; never copy it from the lease."
}
},
"additionalProperties": false
}vigil_verify_lease annotations
{
"readOnlyHint": true,
"openWorldHint": false,
"idempotentHint": true,
"destructiveHint": false
}vigil_leases
Advertised read-only
List your leases and their states.
vigil_leases input schema
{
"type": "object",
"examples": [
{}
],
"required": [],
"properties": {
"vigil_key": {
"type": "string",
"maxLength": 256,
"minLength": 1,
"deprecated": true,
"description": "DEPRECATED legacy account-wide credential, including deletion and permission issuance. Prefer the client-injected HTTP Authorization: Bearer header; omit this argument when that header authenticates the request. This is not a scoped agent token."
}
},
"additionalProperties": false
}vigil_leases annotations
{
"readOnlyHint": true,
"openWorldHint": false,
"idempotentHint": true,
"destructiveHint": false
}vigil_anchors
Advertised read-only
Public timestamp submissions to OpenTimestamps calendars. A submission is pending, not an independently verified Bitcoin confirmation. No key required.
vigil_anchors input schema
{
"type": "object",
"examples": [
{}
],
"properties": {},
"additionalProperties": false
}vigil_anchors annotations
{
"readOnlyHint": true,
"openWorldHint": false,
"idempotentHint": true,
"destructiveHint": false
}vigil_anchor
Open-world
PRO: anchor the current chain head to OpenTimestamps on demand (the chain is auto-anchored every few hours regardless). Sends the public chain-head digest to external OpenTimestamps calendars; submission is not verified Bitcoin confirmation.
vigil_anchor input schema
{
"type": "object",
"examples": [
{}
],
"required": [],
"properties": {
"vigil_key": {
"type": "string",
"maxLength": 256,
"minLength": 1,
"deprecated": true,
"description": "DEPRECATED legacy account-wide credential, including deletion and permission issuance. Prefer the client-injected HTTP Authorization: Bearer header; omit this argument when that header authenticates the request. This is not a scoped agent token."
}
},
"additionalProperties": false
}vigil_anchor annotations
{
"readOnlyHint": false,
"openWorldHint": true,
"idempotentHint": false,
"destructiveHint": false
}vigil_journal_put
Advertised destructive
Store an opaque blob under a slug (overwrites). Encrypt client-side: the server stores exactly the bytes supplied and cannot enforce client encryption. Send bytes as base64. Free tier: 4 slots, 64KB each. Destructive when the slug exists: previous bytes are replaced with no version history or undo.
vigil_journal_put input schema
{
"type": "object",
"examples": [
{
"slug": "encrypted-state",
"data_base64": "ZW5jcnlwdGVkLWJ5dGVz"
}
],
"required": [
"slug",
"data_base64"
],
"properties": {
"slug": {
"type": "string",
"pattern": "^[A-Za-z0-9_-]{1,64}$",
"maxLength": 64,
"minLength": 1,
"description": "1-64 alnum/-/_ chars."
},
"vigil_key": {
"type": "string",
"maxLength": 256,
"minLength": 1,
"deprecated": true,
"description": "DEPRECATED legacy account-wide credential, including deletion and permission issuance. Prefer the client-injected HTTP Authorization: Bearer header; omit this argument when that header authenticates the request. This is not a scoped agent token."
},
"data_base64": {
"type": "string",
"maxLength": 100000,
"description": "The (already-encrypted) bytes, base64-encoded."
}
},
"additionalProperties": false
}vigil_journal_put annotations
{
"readOnlyHint": false,
"openWorldHint": false,
"idempotentHint": false,
"destructiveHint": true
}vigil_journal_get
Advertised read-only
Fetch a journal blob by slug. Returns base64 (decrypt client-side).
vigil_journal_get input schema
{
"type": "object",
"examples": [
{
"slug": "encrypted-state"
}
],
"required": [
"slug"
],
"properties": {
"slug": {
"type": "string",
"pattern": "^[A-Za-z0-9_-]{1,64}$",
"maxLength": 64,
"minLength": 1,
"description": "Journal slot name, 1..64 ASCII letters, numbers, hyphens, or underscores."
},
"vigil_key": {
"type": "string",
"maxLength": 256,
"minLength": 1,
"deprecated": true,
"description": "DEPRECATED legacy account-wide credential, including deletion and permission issuance. Prefer the client-injected HTTP Authorization: Bearer header; omit this argument when that header authenticates the request. This is not a scoped agent token."
}
},
"additionalProperties": false
}vigil_journal_get annotations
{
"readOnlyHint": true,
"openWorldHint": false,
"idempotentHint": true,
"destructiveHint": false
}vigil_journal_list
Advertised read-only
List your journal slots (slug, size, last-updated).
vigil_journal_list input schema
{
"type": "object",
"examples": [
{}
],
"required": [],
"properties": {
"vigil_key": {
"type": "string",
"maxLength": 256,
"minLength": 1,
"deprecated": true,
"description": "DEPRECATED legacy account-wide credential, including deletion and permission issuance. Prefer the client-injected HTTP Authorization: Bearer header; omit this argument when that header authenticates the request. This is not a scoped agent token."
}
},
"additionalProperties": false
}vigil_journal_list annotations
{
"readOnlyHint": true,
"openWorldHint": false,
"idempotentHint": true,
"destructiveHint": false
}vigil_journal_delete
Advertised destructive
Delete a journal slot. Destructive: removes stored bytes with no undo through the API.
vigil_journal_delete input schema
{
"type": "object",
"examples": [
{
"slug": "encrypted-state"
}
],
"required": [
"slug"
],
"properties": {
"slug": {
"type": "string",
"pattern": "^[A-Za-z0-9_-]{1,64}$",
"maxLength": 64,
"minLength": 1,
"description": "Journal slot name, 1..64 ASCII letters, numbers, hyphens, or underscores."
},
"vigil_key": {
"type": "string",
"maxLength": 256,
"minLength": 1,
"deprecated": true,
"description": "DEPRECATED legacy account-wide credential, including deletion and permission issuance. Prefer the client-injected HTTP Authorization: Bearer header; omit this argument when that header authenticates the request. This is not a scoped agent token."
}
},
"additionalProperties": false
}vigil_journal_delete annotations
{
"readOnlyHint": false,
"openWorldHint": false,
"idempotentHint": true,
"destructiveHint": true
}vigil_revoke_key
Advertised destructive
Revoke your own key. It stops authenticating immediately. Irreversible. Irreversible: also revokes the account's leases and deletes its watchdogs. Private journal access is lost; public receipts remain. It does not cancel a Stripe subscription.
vigil_revoke_key input schema
{
"type": "object",
"examples": [
{}
],
"required": [],
"properties": {
"vigil_key": {
"type": "string",
"maxLength": 256,
"minLength": 1,
"deprecated": true,
"description": "DEPRECATED legacy account-wide credential, including deletion and permission issuance. Prefer the client-injected HTTP Authorization: Bearer header; omit this argument when that header authenticates the request. This is not a scoped agent token."
}
},
"additionalProperties": false
}vigil_revoke_key annotations
{
"readOnlyHint": false,
"openWorldHint": false,
"idempotentHint": true,
"destructiveHint": true
}vigil_verify_source
Advertised destructiveOpen-world
Paid source-local verification with exact evidence and signed receipt. Does not establish absolute truth. Read price and payment requirements before authorizing; settlement spends USDC irreversibly and there is no automatic refund. Identical tool arguments alone are NOT idempotent: retry with the identical arguments, same vigil/idempotency-key metadata and original payment proof.
vigil_verify_source input schema
{
"type": "object",
"required": [
"source_url",
"claim"
],
"properties": {
"claim": {
"type": "string",
"pattern": "\\S",
"maxLength": 2000,
"minLength": 1
},
"options": {
"type": "object",
"properties": {
"max_price_usd": {
"type": "string",
"pattern": "^(0|[1-9][0-9]*)(\\.[0-9]{1,6})?$",
"maxLength": 32
},
"max_age_seconds": {
"type": "integer",
"default": 60,
"maximum": 300,
"minimum": 0
}
},
"additionalProperties": false
},
"source_url": {
"type": "string",
"format": "uri",
"pattern": "^https://[^\\s]+$",
"maxLength": 2048
}
},
"additionalProperties": false
}vigil_verify_source output schema
{
"type": "object",
"allOf": [
{
"if": {
"properties": {
"assessment_scope": {
"const": "literal_quotation_only"
}
}
},
"then": {
"properties": {
"evidence": {
"items": {
"properties": {
"stance": {
"const": "mentions"
}
}
}
},
"claim_support": {
"enum": [
"not_assessed",
"insufficient_evidence"
]
}
}
}
},
{
"if": {
"properties": {
"claim_support": {
"const": "supports"
}
}
},
"then": {
"properties": {
"evidence": {
"allOf": [
{
"contains": {
"required": [
"stance"
],
"properties": {
"stance": {
"const": "supports"
}
}
},
"minContains": 1
}
]
}
}
}
},
{
"if": {
"properties": {
"claim_support": {
"const": "contradicts"
}
}
},
"then": {
"properties": {
"evidence": {
"allOf": [
{
"contains": {
"required": [
"stance"
],
"properties": {
"stance": {
"const": "contradicts"
}
}
},
"minContains": 1
}
]
}
}
}
},
{
"if": {
"properties": {
"claim_support": {
"const": "mixed"
}
}
},
"then": {
"properties": {
"evidence": {
"allOf": [
{
"contains": {
"required": [
"stance"
],
"properties": {
"stance": {
"const": "supports"
}
}
},
"minContains": 1
},
{
"contains": {
"required": [
"stance"
],
"properties": {
"stance": {
"const": "contradicts"
}
}
},
"minContains": 1
}
]
}
}
}
}
],
"required": [
"schema_version",
"request_id",
"status",
"verification_type",
"source",
"reachable",
"source_identity",
"claim",
"claim_support",
"explanation",
"evidence",
"confidence",
"risk_flags",
"checked_at",
"served_at",
"methodology_version",
"assessment_scope",
"limits",
"cache",
"payment",
"receipt"
],
"properties": {
"cache": {
"type": "object",
"required": [
"hit",
"age_seconds",
"original_checked_at"
],
"properties": {
"hit": {
"type": "boolean"
},
"age_seconds": {
"type": "integer",
"minimum": 0
},
"original_checked_at": {
"type": "string",
"format": "date-time",
"pattern": "^[0-9]{4}-(0[1-9]|1[0-2])-(0[1-9]|[12][0-9]|3[01])T([01][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9](\\.[0-9]{1,6})?Z$"
}
},
"additionalProperties": false
},
"claim": {
"type": "string",
"maxLength": 2000,
"minLength": 1
},
"limits": {
"type": "object",
"required": [
"max_text_chars"
],
"properties": {
"fixture": {
"const": true
},
"max_redirects": {
"type": "integer",
"maximum": 5,
"minimum": 0
},
"max_text_chars": {
"type": "integer",
"maximum": 100000,
"minimum": 1
},
"max_wire_bytes": {
"type": "integer",
"maximum": 4194304,
"minimum": 1
},
"timeout_seconds": {
"anyOf": [
{
"type": "integer",
"maximum": 60,
"minimum": 1
},
{
"type": "string",
"pattern": "^(0|[1-9][0-9]*)\\.[0-9]+$"
}
]
},
"max_header_bytes": {
"type": "integer",
"maximum": 65536,
"minimum": 1
},
"max_decoded_bytes": {
"type": "integer",
"maximum": 8388608,
"minimum": 1
},
"socket_timeout_seconds": {
"anyOf": [
{
"type": "integer",
"maximum": 15,
"minimum": 1
},
{
"type": "string",
"pattern": "^(0|[1-9][0-9]*)\\.[0-9]+$"
}
]
}
},
"additionalProperties": false
},
"source": {
"type": "object",
"required": [
"requested_url",
"final_url",
"http_status",
"content_type",
"content_sha256",
"text_sha256",
"normalized_text",
"offset_unit",
"redirects",
"wire_bytes",
"decoded_bytes"
],
"properties": {
"final_url": {
"type": "string",
"format": "uri",
"pattern": "^https://",
"maxLength": 49152
},
"redirects": {
"type": "array",
"items": {
"type": "object",
"required": [
"url",
"status"
],
"properties": {
"url": {
"type": "string",
"format": "uri",
"pattern": "^https://",
"maxLength": 49152
},
"status": {
"enum": [
301,
302,
303,
307,
308
]
}
},
"additionalProperties": false
},
"maxItems": 5
},
"wire_bytes": {
"type": "integer",
"maximum": 26000000,
"minimum": 0
},
"http_status": {
"const": 200
},
"offset_unit": {
"const": "unicode_codepoint"
},
"text_sha256": {
"type": "string",
"pattern": "^[0-9a-f]{64}$"
},
"content_type": {
"type": "string",
"pattern": "^[Tt][Ee][Xx][Tt]/([Hh][Tt][Mm][Ll]|[Pp][Ll][Aa][Ii][Nn])(?:\\s*;.*)?$",
"maxLength": 32768
},
"decoded_bytes": {
"type": "integer",
"maximum": 8388608,
"minimum": 0
},
"requested_url": {
"type": "string",
"format": "uri",
"pattern": "^https://[^\\s]+$",
"maxLength": 2048
},
"content_sha256": {
"type": "string",
"pattern": "^[0-9a-f]{64}$"
},
"normalized_text": {
"type": "string",
"maxLength": 100000
}
},
"additionalProperties": false
},
"status": {
"const": "completed"
},
"payment": {
"type": "object",
"required": [
"status",
"provider",
"mode",
"simulated",
"network",
"asset",
"currency",
"amount_atomic",
"price_usd",
"transaction",
"facilitator_fee_usd",
"network_fee_usd"
],
"properties": {
"mode": {
"enum": [
"offline",
"testnet",
"mainnet"
]
},
"asset": {
"type": "string",
"maxLength": 128,
"minLength": 1
},
"status": {
"const": "settled"
},
"network": {
"enum": [
"eip155:8453",
"eip155:84532",
"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"solana:EtWTRABZaYq6iMfeYKouRu166VU2xqa1",
"none"
]
},
"currency": {
"const": "USDC"
},
"provider": {
"type": "string",
"maxLength": 64,
"minLength": 1
},
"price_usd": {
"type": "string",
"pattern": "^(0|[1-9][0-9]*)(\\.[0-9]{1,6})?$",
"maxLength": 32
},
"simulated": {
"type": "boolean"
},
"transaction": {
"type": [
"string",
"null"
],
"maxLength": 512
},
"amount_atomic": {
"type": "string",
"pattern": "^(0|[1-9][0-9]{0,17})$"
},
"network_fee_usd": {
"anyOf": [
{
"type": "string",
"pattern": "^(0|[1-9][0-9]*)(\\.[0-9]{1,6})?$",
"maxLength": 32
},
{
"type": "null"
}
]
},
"facilitator_fee_usd": {
"anyOf": [
{
"type": "string",
"pattern": "^(0|[1-9][0-9]*)(\\.[0-9]{1,6})?$",
"maxLength": 32
},
{
"type": "null"
}
]
}
},
"description": "USDC uses six atomic decimals. Offline mock payments simulate USDC and move no funds. Null fees are unknown, not zero.",
"additionalProperties": false
},
"receipt": {
"type": "object",
"required": [
"envelope",
"canonical_envelope_base64",
"attestation",
"verification"
],
"properties": {
"envelope": {
"type": "object",
"required": [
"type",
"version",
"request_id",
"result_sha256",
"checked_at",
"methodology_version",
"payment",
"issued_at"
],
"properties": {
"type": {
"const": "vigil.source-verification.purchase"
},
"payment": {
"type": "object",
"required": [
"status",
"provider",
"mode",
"simulated",
"network",
"asset",
"currency",
"amount_atomic",
"price_usd",
"transaction",
"facilitator_fee_usd",
"network_fee_usd"
],
"properties": {
"mode": {
"enum": [
"offline",
"testnet",
"mainnet"
]
},
"asset": {
"type": "string",
"maxLength": 128,
"minLength": 1
},
"status": {
"const": "settled"
},
"network": {
"enum": [
"eip155:8453",
"eip155:84532",
"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"solana:EtWTRABZaYq6iMfeYKouRu166VU2xqa1",
"none"
]
},
"currency": {
"const": "USDC"
},
"provider": {
"type": "string",
"maxLength": 64,
"minLength": 1
},
"price_usd": {
"type": "string",
"pattern": "^(0|[1-9][0-9]*)(\\.[0-9]{1,6})?$",
"maxLength": 32
},
"simulated": {
"type": "boolean"
},
"transaction": {
"type": [
"string",
"null"
],
"maxLength": 512
},
"amount_atomic": {
"type": "string",
"pattern": "^(0|[1-9][0-9]{0,17})$"
},
"network_fee_usd": {
"anyOf": [
{
"type": "string",
"pattern": "^(0|[1-9][0-9]*)(\\.[0-9]{1,6})?$",
"maxLength": 32
},
{
"type": "null"
}
]
},
"facilitator_fee_usd": {
"anyOf": [
{
"type": "string",
"pattern": "^(0|[1-9][0-9]*)(\\.[0-9]{1,6})?$",
"maxLength": 32
},
{
"type": "null"
}
]
}
},
"description": "USDC uses six atomic decimals. Offline mock payments simulate USDC and move no funds. Null fees are unknown, not zero.",
"additionalProperties": false
},
"version": {
"const": 1
},
"issued_at": {
"type": "string",
"format": "date-time",
"pattern": "^[0-9]{4}-(0[1-9]|1[0-2])-(0[1-9]|[12][0-9]|3[01])T([01][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9](\\.[0-9]{1,6})?Z$"
},
"checked_at": {
"type": "string",
"format": "date-time",
"pattern": "^[0-9]{4}-(0[1-9]|1[0-2])-(0[1-9]|[12][0-9]|3[01])T([01][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9](\\.[0-9]{1,6})?Z$"
},
"request_id": {
"type": "string",
"format": "uuid"
},
"result_sha256": {
"type": "string",
"pattern": "^[0-9a-f]{64}$"
},
"methodology_version": {
"type": "string",
"maxLength": 256,
"minLength": 1
}
},
"additionalProperties": false
},
"attestation": {
"type": "object",
"required": [
"v",
"serial",
"subject_sha256",
"label",
"requested_by",
"key_id",
"ts_ms",
"ts_utc",
"prev_hash",
"pubkey_hex",
"receipt_hash",
"sig_ed25519_hex"
],
"properties": {
"v": {
"const": 1
},
"label": {
"type": [
"string",
"null"
],
"maxLength": 200
},
"ts_ms": {
"type": "integer",
"minimum": 0
},
"key_id": {
"type": "integer",
"minimum": 0
},
"serial": {
"type": "integer",
"minimum": 1
},
"ts_utc": {
"type": "string",
"format": "date-time",
"pattern": "^[0-9]{4}-(0[1-9]|1[0-2])-(0[1-9]|[12][0-9]|3[01])T([01][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9](\\.[0-9]{1,6})?Z$"
},
"prev_hash": {
"type": "string",
"pattern": "^[0-9a-f]{64}$"
},
"pubkey_hex": {
"type": "string",
"pattern": "^[0-9a-f]{64}$"
},
"receipt_hash": {
"type": "string",
"pattern": "^[0-9a-f]{64}$"
},
"requested_by": {
"type": "string",
"maxLength": 128,
"minLength": 1
},
"subject_sha256": {
"type": "string",
"pattern": "^[0-9a-f]{64}$"
},
"sig_ed25519_hex": {
"type": "string",
"pattern": "^[0-9a-f]{128}$"
}
},
"additionalProperties": false
},
"verification": {
"type": "string",
"maxLength": 1000,
"minLength": 1
},
"canonical_envelope_base64": {
"type": "string",
"pattern": "^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=)?$",
"maxLength": 16384,
"minLength": 4,
"contentEncoding": "base64"
}
},
"description": "Pin Vigil's key independently. Verify the Ed25519 attestation, SHA256 of canonical envelope bytes, and SHA256 of the result with receipt removed. Schema validation alone does not authenticate a receipt.",
"additionalProperties": false
},
"evidence": {
"type": "array",
"items": {
"type": "object",
"required": [
"evidence_id",
"quote",
"start",
"end",
"stance",
"source_sha256",
"text_sha256"
],
"properties": {
"end": {
"type": "integer",
"maximum": 100000,
"minimum": 1
},
"quote": {
"type": "string",
"maxLength": 1000,
"minLength": 1
},
"start": {
"type": "integer",
"maximum": 99999,
"minimum": 0
},
"stance": {
"enum": [
"supports",
"contradicts",
"mentions"
]
},
"evidence_id": {
"type": "string",
"pattern": "^e[1-6]$"
},
"text_sha256": {
"type": "string",
"pattern": "^[0-9a-f]{64}$"
},
"source_sha256": {
"type": "string",
"pattern": "^[0-9a-f]{64}$"
}
},
"description": "Offsets count Unicode code points in source.normalized_text. Verify start < end and exact substring/digest matches independently; JSON Schema cannot establish them.",
"additionalProperties": false
},
"maxItems": 6
},
"reachable": {
"const": true
},
"served_at": {
"type": "string",
"format": "date-time",
"pattern": "^[0-9]{4}-(0[1-9]|1[0-2])-(0[1-9]|[12][0-9]|3[01])T([01][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9](\\.[0-9]{1,6})?Z$"
},
"checked_at": {
"type": "string",
"format": "date-time",
"pattern": "^[0-9]{4}-(0[1-9]|1[0-2])-(0[1-9]|[12][0-9]|3[01])T([01][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9](\\.[0-9]{1,6})?Z$"
},
"confidence": {
"type": "null",
"description": "No numerical confidence is published before calibration."
},
"request_id": {
"type": "string",
"format": "uuid"
},
"risk_flags": {
"type": "array",
"items": {
"type": "string",
"pattern": "^[a-z][a-z0-9_]*$",
"maxLength": 128
},
"maxItems": 32,
"uniqueItems": true
},
"explanation": {
"type": "string",
"maxLength": 800
},
"claim_support": {
"enum": [
"supports",
"contradicts",
"mixed",
"insufficient_evidence",
"not_assessed"
]
},
"schema_version": {
"const": "1.0.0"
},
"source_identity": {
"type": "object",
"required": [
"hostname",
"tls_verified",
"publisher_identity"
],
"properties": {
"hostname": {
"type": "string",
"maxLength": 253,
"minLength": 1
},
"tls_verified": {
"type": "boolean"
},
"publisher_identity": {
"const": "unknown"
}
},
"additionalProperties": false
},
"assessment_scope": {
"enum": [
"source_local_semantic_support",
"literal_quotation_only"
]
},
"verification_type": {
"const": "source"
},
"methodology_version": {
"type": "string",
"maxLength": 256,
"minLength": 1
}
},
"description": "A completed source observation and purchase. Retrieval failures return the error contract and are not submitted for settlement. Source support does not establish truth.",
"additionalProperties": false
}vigil_verify_source annotations
{
"readOnlyHint": false,
"openWorldHint": true,
"idempotentHint": false,
"destructiveHint": true
}Prompts
Not advertised
Resources
Not advertised
90-day uptime
A lightweight connection check about every six hours, sampled on hosts with many listings. It shows the server answered, not that its tools work.
- 2026-11-07: 1 of 1 checks answered
30-day availability
Aggregated from read-only remote checks; this is not a tool-execution or security guarantee.
- Successful checks
- 1 of 1 (100%)
- Average latency
- 694 ms
- 95th percentile latency
- 694 ms
Maintenance history
Public check and source-refresh events. Editorial and ownership records remain private.
- · probe · passed · 694 ms · metadata changed · 26 tool(s)
Connect from your client
Each snippet registers the same endpoint; pick the client you use.
Claude Code
Claude Code configuration
claude mcp add --transport http vigil-mcp-vigilnotary https://vigilnotary.com/mcpCodex
Codex configuration
codex mcp add vigil-mcp-vigilnotary --url https://vigilnotary.com/mcpCursor
Cursor configuration
{
"mcpServers": {
"vigil-mcp-vigilnotary": {
"url": "https://vigilnotary.com/mcp"
}
}
}Cline
Cline configuration
{
"mcpServers": {
"vigil-mcp-vigilnotary": {
"type": "streamableHttp",
"url": "https://vigilnotary.com/mcp",
"disabled": false
}
}
}VS Code
VS Code configuration
{
"servers": {
"vigil-mcp-vigilnotary": {
"type": "http",
"url": "https://vigilnotary.com/mcp"
}
}
}Gemini CLI
Gemini CLI configuration
gemini mcp add --transport http vigil-mcp-vigilnotary https://vigilnotary.com/mcpClaude Desktop
Claude Desktop configuration
https://vigilnotary.com/mcpWindsurf
Windsurf configuration
{
"mcpServers": {
"vigil-mcp-vigilnotary": {
"serverUrl": "https://vigilnotary.com/mcp"
}
}
}Let your agent find its tools
Find servers like Vigil MCP from your agent. Add Koskamo once to search the index for endpoints, access requirements, and client setup. Public discovery needs no key.
Other ai and machine learning servers
Do you run Vigil MCP?
Prove ownership with a DNS record, a well-known file, or your Official MCP Registry entry, and your edits publish immediately. Proofs are re-checked weekly; admins can still hide or remove a listing.