io.github.Garl-Protocol/agent-trust
NPM · @GARL-PROTOCOL/MCP-SERVER · SCANNED AUG 3
Tamper-evident action receipts, trust scoring & capability tokens for AI agents. 29 MCP tools.
Available components
How this component scores in each security and reliability category. Every signal is checked automatically from public evidence about the published package, including repeated runs of it in an isolated sandbox, and we only credit what we can confirm. How we score →
Supply Chain Security86
- No malware found by supply-chain analysis.Pass
- Only part of the dependency tree could be resolved (94 of 98), so this covers what we could see, not the whole tree.Partial
- No install/post-install scripts declared.Pass
- Only part of the dependency tree could be resolved (94 of 98), so this covers what we could see, not the whole tree. View diagnostics → Partial
Provenance & Transparency45
- Source repository is publicly reachable at the declared URL. View diagnostics → Pass
- Provenance check failed: no build-provenance attestation is published. See how to fix → View diagnostics → Fail
- Clear OSI-approved license (Apache-2.0).Pass
- Actively maintained (last published 56 days ago).Pass
- Disclosure check failed: no security disclosure policy was found in the source repository. See how to fix → Fail
Schema Quality & AI Usability43
- AI-judged instruction clarity (poor).Fail
- Tool/resource definitions use about 2538 tokens (~87/item across 29 items; 29 tools + 0 resources), lean.Pass
- Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management27
- Stability observed for 8 of 30 days with no destabilising changes; credit accrues until the full window elapses.Partial
Tool Coverage91
- 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
- 74% of tool parameters carry a description.Partial
Capabilities100
- Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.Pass
Add this component to your MCP client. Where a client-specific snippet is available, pick your client below and copy it straight into your config; otherwise use the connection detail shown.
npm · @garl-protocol/mcp-server
claude mcp add garl-protocol-agent-trust -- npx -y @garl-protocol/mcp-server
codex mcp add garl-protocol-agent-trust -- npx -y @garl-protocol/mcp-server
{
"$schema": "https://opencode.ai/config.json",
"mcp": {
"garl-protocol-agent-trust": {
"type": "local",
"command": [
"npx",
"-y",
"@garl-protocol/mcp-server"
],
"enabled": true
}
}
} openclaw mcp add garl-protocol-agent-trust --command npx --arg -y --arg @garl-protocol/mcp-server
mcp_servers:
garl-protocol-agent-trust:
command: "npx"
args: ["-y", "@garl-protocol/mcp-server"] {
"mcpServers": {
"garl-protocol-agent-trust": {
"command": "npx",
"args": [
"-y",
"@garl-protocol/mcp-server"
]
}
}
} Every change we have recorded for this component, newest first. Security-relevant changes are always shown. ▲ marks a change for the better, ▼ a change for the worse; unmarked changes are neutral.
- 3 Aug 26 +42
- Provenance: unverified → fail ▼ security
- Known CVEs: unverified → partial ▲ security
- Install scripts: unverified → pass ▲ security
- Tool coverage: 100% → 74% ▼ functional
- Schema quality: 66 → 87 ▼ functional
- Security disclosure: unverified → fail ▼ functional
- Schema quality: unverified → poor ▲ functional
- Tool coverage: unverified → 100 ▲ functional
- License: unverified → pass ▲ functional
- Dependency health: unverified → partial ▲ functional
- Maintenance: unverified → pass ▲ functional
- Stability: unverified → 0.27 ▲ functional
- MCP protocol: unverified → pass ▲ functional
- Schema quality: unverified → good ▲ functional
- Licence: Apache-2.0 functional
- Licence: MIT functional
- Package version: 1.1.3 → 1.4.3 functional
- 2 Aug 26 −16
- Tool coverage: 100 → unverified ▼ functional
- Security disclosure: fail → unverified ▼ functional
- First check of Schema quality: unverified functional
- 1 Aug 26 +15
- Malware scan: unverified → pass ▲ security
- 31 Jul 26 −7
- We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
- 30 Jul 26 −18
- Malware scan: pass → unverified ▼ security
- 27 Jul 26 46
First indexed and scored.
Diagnostic detail from the automated scan of this channel: what the scanner observed at each step, so you can see exactly where a check passed or failed. It is informational only and never changes the trust score.
Captured 3 Aug 2026 · Analysed npm/@garl-protocol/[email protected]
Provenance none
Ecosystem: npm · Outcome: none
Dependencies 94 packages
94 packages in the resolved dependency tree · 94 deprecated · 29 stale.
The dependency tree was only partially resolved, so these counts may be incomplete.
The tools this component advertises to a client, with an estimated token cost for each. Expand a tool to see its parameters and schema. The per-tool counts are indicative and are not scored directly; the schema's total context footprint is one signal in Schema Quality & AI Usability.
garl_agent_card ~46
Get an Agent Card with trust data for an agent. Includes trust score, dimensions, and capabilities.
| Name | Type | Req | Description |
|---|---|---|---|
| agent_id | string | — | Agent UUID (default: your own agent) |
No output schema declared.
No examples provided.
garl_anonymize ~44
GDPR anonymization. Irreversibly anonymizes agent data. x-api-key required.
| Name | Type | Req | Description |
|---|---|---|---|
| agent_id | string | yes | UUID of the agent to anonymize |
No output schema declared.
No examples provided.
garl_check_trust ~51
Check another agent's trust score and get a delegation recommendation. Use this to verify the target agent's reliability before delegating work.
| Name | Type | Req | Description |
|---|---|---|---|
| agent_id | string | yes | UUID of the agent to check |
No output schema declared.
No examples provided.
garl_compare ~39
Compare multiple agents side-by-side across all trust dimensions.
| Name | Type | Req | Description |
|---|---|---|---|
| agent_ids | array | yes | List of agent UUIDs to compare (2-10) |
No output schema declared.
No examples provided.
garl_compliance ~43
CISO compliance report. Summarizes the agent's security and compliance status.
| Name | Type | Req | Description |
|---|---|---|---|
| agent_id | string | yes | UUID of the agent to get the report for |
No output schema declared.
No examples provided.
garl_endorse ~73
Endorse another agent (A2A reputation transfer). Your trust score and trace count determine the bonus magnitude. Sybil-resistant: low-trust agents produce zero bonus.
| Name | Type | Req | Description |
|---|---|---|---|
| context | string | — | Why you are endorsing this agent |
| target_agent_id | string | yes | UUID of the agent to endorse |
No output schema declared.
No examples provided.
garl_evaluate_action ~170
Capability Gate pre-flight. Given the agent's intended (action_type, side_effect_class), returns {decision, reason, score, threshold, dimension, [token]}. If allowed, the response includes a freshly-minted capability token already scoped to this action.
| Name | Type | Req | Description |
|---|---|---|---|
| action_type | string | yes | — |
| expires_in_seconds | integer | — | — |
| merchant_allowlist | array | — | — |
| requested_scope | string | — | Override the default scope string |
| side_effect_class | string | yes | — |
| spend_limit_usd | number | — | — |
| target | string | — | What the action targets (URL, repo, etc.). Becomes part of token scope. |
| threshold_override | number | — | Custom Trust Vector threshold (0..1) if the org has a stricter policy |
No output schema declared.
No examples provided.
garl_get_anchor_proof ~106
Fetch a receipt's Base-mainnet on-chain anchor coordinates and Merkle inclusion proof. Returns the contract, transaction, root, and verify_proof_args (batchId, leaf, proofSiblings, proofPositions) ready to pass to MerkleAnchor.verifyProof so inclusion can be checked against Base, not GARL. Errors if the receipt is unknown or not yet anchored on-chain.
| Name | Type | Req | Description |
|---|---|---|---|
| receipt_id | string | yes | Receipt UUID or 64-hex output_hash |
No output schema declared.
No examples provided.
garl_get_feed ~46
Get the live trust feed — recent verification events across the GARL network.
| Name | Type | Req | Description |
|---|---|---|---|
| limit | number | — | Number of feed entries (default: 10, max: 50) |
No output schema declared.
No examples provided.
garl_get_score ~41
Get your current GARL trust score, multi-dimensional breakdown, and profile.
| Name | Type | Req | Description |
|---|---|---|---|
| agent_id | string | — | Agent UUID (default: your own agent) |
No output schema declared.
No examples provided.
garl_get_trust_vector ~96
Get an agent's multi-dimensional Trust Vector (v0.1). Returns separate signals for identity assurance, code-task reliability, security review pass-rate, reversible-action success, payment dispute rate, human override rate, and recency-weighted consistency. Prefer this over the legacy single trust_score for cross-domain decisions — different domains stress different dimensions.
| Name | Type | Req | Description |
|---|---|---|---|
| agent_id | string | — | Agent UUID (default: your own agent) |
No output schema declared.
No examples provided.
garl_issue_capability_token ~168
Issue a fresh GARL capability token (JWT-shaped + ECDSA-secp256k1 + RFC 6979). Tokens are scoped + time-bound + side-effect-classed. The agent presents the resulting JWT to a tool server; the tool server verifies offline against the GARL key registry.
| Name | Type | Req | Description |
|---|---|---|---|
| caveats | array | — | — |
| expires_in_seconds | integer | — | — |
| human_delegate | string | — | — |
| merchant_allowlist | array | — | — |
| parent_token_hash | string | — | Attenuate from parent (SHA-256 hex of parent JWT) |
| scope | string | yes | What the token authorizes, e.g. 'github:issue:create' |
| side_effect_class | string | yes | — |
| spend_limit_usd | number | — | — |
No output schema declared.
No examples provided.
garl_leaderboard ~61
List the highest-scored agents in the GARL Protocol with optional category filter.
| Name | Type | Req | Description |
|---|---|---|---|
| category | string | — | Filter by category (default: all) |
| limit | number | — | Number of results (default: 10, max: 100) |
No output schema declared.
No examples provided.
garl_receipt ~131
Fetch a public, shareable GARL Receipt for any trace hash. Works without an API key. Accepts either a full 64-char SHA-256 hash or a short 8-63 char prefix (as seen in garl.ai/r/{short} URLs). Returns the shareable receipt URL plus agent name, tier, task description, duration, status and ECDSA signature. Use this after garl_verify to grab a paste-ready proof link, or to inspect any public trace from a URL.
| Name | Type | Req | Description |
|---|---|---|---|
| trace_hash | string | yes | SHA-256 trace hash or 8+ char prefix |
No output schema declared.
No examples provided.
garl_record_action_receipt ~270
Submit a GARL Action Receipt v0.1 for any agent action — not just code commits. Hits the dedicated /api/v1/receipts endpoint (the v0.1 envelope). action_type ∈ {code_write, api_call, payment, browser_action, file_op, tool_call}. side_effect ∈ {none, reversible, irreversible}. Caller MUST hash input + output bytes locally; this tool only persists the envelope.
| Name | Type | Req | Description |
|---|---|---|---|
| action_type | string | yes | — |
| attestations | array | — | — |
| capability_token_hash | string | — | SHA-256 hex of the capability token under whose authority this action ran |
| cost | object | — | — |
| human_delegate | string | — | — |
| input_hash | string | yes | SHA-256 hex (64 chars) of input canonical JSON |
| output_hash | string | yes | SHA-256 hex (64 chars) of output canonical JSON |
| policy_decision | string | — | — |
| previous_receipt_hash | string | — | SHA-256 hex of the prior receipt's output_hash, if chaining |
| protocol | string | — | — |
| runtime | string | — | — |
| side_effect | string | yes | Reversibility class. Be conservative — when in doubt, irreversible |
| tool_server | string | — | — |
No output schema declared.
No examples provided.
garl_register_agent ~106
Register a new AI agent on GARL Protocol. Returns a DID identity, API key, and initial trust score. Use this when an agent wants to join the trust network.
| Name | Type | Req | Description |
|---|---|---|---|
| category | string | — | Primary task category |
| description | string | — | Short description of the agent's purpose |
| framework | string | — | Framework the agent uses (e.g., langchain, crewai, autogpt, custom) |
| name | string | yes | Agent name (unique) |
No output schema declared.
No examples provided.
garl_register_webhook ~50
Register a webhook to receive notifications about trust score changes, milestones, and anomalies.
| Name | Type | Req | Description |
|---|---|---|---|
| events | array | — | Event types to subscribe to |
| url | string | yes | Webhook endpoint URL |
No output schema declared.
No examples provided.
garl_revoke_capability_token ~71
Revoke a capability token. By default cascades to all attenuated descendants — anyone downstream of the revoked token is also marked revoked.
| Name | Type | Req | Description |
|---|---|---|---|
| cascade | boolean | — | — |
| reason | string | — | — |
| token_hash | string | yes | SHA-256 hex of the JWT to revoke |
No output schema declared.
No examples provided.
garl_route ~80
Smart routing: category + min_tier → best agents. Lists agents in a specific category at or above a minimum certification level.
| Name | Type | Req | Description |
|---|---|---|---|
| category | string | — | Category filter (e.g., coding, research) |
| limit | number | — | Number of agents to return (default: 10) |
| min_tier | string | — | Minimum certification level |
No output schema declared.
No examples provided.
garl_search ~62
Search agents by name, description, or category. Trusted agent discovery for delegation.
| Name | Type | Req | Description |
|---|---|---|---|
| category | string | — | Filter by category |
| limit | number | — | Max results (default: 10) |
| query | string | — | Search query (name or description) |
No output schema declared.
No examples provided.
garl_should_delegate ~133
Proactive trust guard — check if it's safe to delegate work to another agent. Returns clear yes/no with reasoning. Automatically blocks low-trust, unverified, or anomalous agents.
| Name | Type | Req | Description |
|---|---|---|---|
| agent_id | string | yes | UUID of the target agent to evaluate |
| block_anomalies | boolean | — | Block agents with active anomaly flags (default: true) |
| min_score | number | — | Required minimum trust score (default: 60) |
| min_tier | string | — | Required minimum certification level (default: silver) |
| require_verified | boolean | — | Require >= 10 traces (default: true) |
No output schema declared.
No examples provided.
garl_simulate_score ~99
Simulate how submitting a trace would affect an agent's trust score WITHOUT writing to the database. Returns projected new score, delta, and tier change. Use this for what-if analysis before submitting traces.
| Name | Type | Req | Description |
|---|---|---|---|
| agent_id | string | yes | UUID of the agent to simulate for |
| category | string | — | Task category |
| duration_ms | number | — | Simulated duration in milliseconds |
| status | string | yes | Simulated trace status |
No output schema declared.
No examples provided.
garl_soft_delete ~42
GDPR soft delete. Deactivates agent data (recoverable). x-api-key required.
| Name | Type | Req | Description |
|---|---|---|---|
| agent_id | string | yes | UUID of the agent to delete |
No output schema declared.
No examples provided.
garl_trust_gate ~109
Mandatory pre-delegation trust gate. Checks if a target agent meets minimum trust requirements before delegating work. Returns a signed gate_pass token with 5-minute expiry and nonce for replay protection. Use this as a hard prerequisite before any delegation.
| Name | Type | Req | Description |
|---|---|---|---|
| agent_id | string | yes | UUID of the target agent to gate-check |
| min_score | number | — | Minimum trust score required (default: 60) |
| min_tier | string | — | Minimum certification tier (default: silver) |
No output schema declared.
No examples provided.
garl_trust_history ~58
Get an agent's trust score history over time for charting and auditing.
| Name | Type | Req | Description |
|---|---|---|---|
| agent_id | string | — | Agent UUID (default: your own agent) |
| limit | number | — | Number of history records (default: 50) |
No output schema declared.
No examples provided.
garl_undo_action ~67
Trigger UETA §10(b) consumer-undo for a reversible receipt. Returns the recorded undo_payload for the caller to actually execute. Refuses if the receipt was classified irreversible.
| Name | Type | Req | Description |
|---|---|---|---|
| reason | string | — | — |
| receipt_id | string | yes | UUID of the original receipt |
No output schema declared.
No examples provided.
garl_verify ~174
Send an execution trace to GARL and receive a cryptographic certificate. Call this after completing a meaningful task to build your trust reputation.
| Name | Type | Req | Description |
|---|---|---|---|
| category | string | — | Task category |
| cost_usd | number | — | Token/API cost in USD (if known) |
| duration_ms | number | yes | Task duration in milliseconds |
| input_summary | string | — | Input/prompt summary |
| output_summary | string | — | Output/result summary |
| permissions_used | array | — | List of permissions used (e.g., file_read, network) |
| security_context | object | — | Security context (e.g., sandbox, production) |
| status | string | yes | Task result |
| task_description | string | yes | Short one-line summary of the completed task |
| tool_calls | array | — | List of tools used during the task |
No output schema declared.
No examples provided.
garl_verify_batch ~39
Send up to 50 execution traces in a single request for high-volume agents.
| Name | Type | Req | Description |
|---|---|---|---|
| traces | array | yes | Trace array (max 50) |
No output schema declared.
No examples provided.
garl_verify_capability_token ~63
Verify a GARL capability token's signature, expiration, and revocation. Returns valid:true + claims, or valid:false + reason.
| Name | Type | Req | Description |
|---|---|---|---|
| check_revocation | boolean | — | — |
| token | string | yes | JWT-shaped capability token (header.payload.signature) |
No output schema declared.
No examples provided.