Stellar Agent Search
NPM · STELLAR-AGENT-SEARCH
Discover and rank Stellar 8004 agents with a read-only MCP server and fail-closed contract probes.
Available components
Last scanned (11 minutes ago)
Scores higher than 93% of npm servers
Category AI and Machine Learning
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 → Why this is hard to score →
Supply Chain Security81
- No malware found by supply-chain analysis.Pass
- CVE check failed: a known high-severity CVE affects @modelcontextprotocol/client 2.0.0, a direct dependency. A fixed version is available. View diagnostics → Fail
- No install/post-install scripts declared.Pass
- 14 of 57 dependencies flagged as unhealthy. View diagnostics → Partial
Provenance & Transparency100
- Source repository is publicly reachable at the declared URL. View diagnostics → Pass
- Cryptographically verified build provenance (signed, bound to berkingurcan/stellar-agent-search). View diagnostics → Pass
- Clear OSI-approved license (MIT).Pass
- Actively maintained (last published 98 days ago).Pass
- Publishes a security disclosure policy (SECURITY.md).Pass
Schema Quality & AI Usability82
- 100% of prompts and resources have a non-trivial description (not blank, and not just the item's name).Pass
- AI-judged instruction clarity (excellent).Pass
- Context-footprint check failed: tool/resource definitions use about 2089 tokens (~130/item across 16 items; 13 tools + 3 resources), over budget; trim descriptions and params. See how to fix → Fail
- Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management100
- No destabilizing schema changes in the last 30 days.Pass
Tool Coverage88
- 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
- 60% of tool parameters carry a description.Partial
- Structured output schemas are declared (100% of tools); any adoption earns full credit.Pass
Tool Safety100
- No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.Pass
- We read all 13 captured tool definition(s), and no name or description among them implies an irreversible operation.Pass
- An AI judge read all 15 captured unit(s) of tool text and found none that tries to manipulate the model reading it.Pass
Capabilities100
- Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.Pass
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.
- 31 Oct 26 0
- Stability: 0.97 → pass security
- 30 Oct 26 0
- Stability: pass → 0.97 functional
- 28 Oct 26 0
- GHSA-f897-62hf-6gxq affects this package: high ▼ security
- 24 Oct 26 0
- CVE-2023-54404 affects this package: high ▼ security
- Stability: 0.97 → pass security
- 23 Oct 26 0
- Stability: pass → 0.97 functional
- 21 Oct 26 0
- CVE-2026-111771 affects this package: high ▼ security
- CVE-2026-111770 affects this package: high ▼ security
- CVE-2026-111768 affects this package: high ▼ security
- CVE-2026-111769 affects this package: high ▼ security
- 17 Oct 26 0
- Stability: 0.97 → pass security
- 16 Oct 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 93 to 97. That category is still filling its 30-day observation window: 28 days of observed history at the previous scan, 29 at this one. The score rises as the window fills, whether or not the server changes.
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 5 Nov 2026 · Analysed npm/stellar-agent-search@0.1.0
Provenance Verified
A signed build attestation was found and verified, binding this exact artifact to the source repository it claims to come from.
| Result | Verified |
|---|---|
| Ecosystem | npm |
| Reason | Verified |
| Discovered via | Registry attestation endpoint |
| Source repo | berkingurcan/stellar-agent-search |
| Certificate issuer | https://token.actions.githubusercontent.com |
| Certificate SAN | https://github.com/berkingurcan/stellar-agent-search/.github/workflows/publish.yml@refs/tags/v0.1.0 |
| Rekor log index | 2286341491 |
| Predicate type | SLSA build provenance https://slsa.dev/provenance/v1 |
| Subject digest | sha512:99141254e626f12eb212126ded9cb5ab52ec049a5e672bd221197c664b41cb617c1ce7696c758ceeab2373a5f6270278955ca5417d03dd55069174282 |
Background: How many MCP packages publish verified provenance →
Vulnerabilities 19 findings
| ID | CVE | Severity | Vector | Fix available |
|---|---|---|---|---|
| GHSA-6prh-2h8m-c8cw | CVE-2026-111769 | medium | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N | yes |
| GHSA-6qxp-vccf-f47h | CVE-2026-104850 | high | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N | yes |
| GHSA-46jr-4wx8-v453 | CVE-2026-111768 | high | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | yes |
| GHSA-f897-62hf-6gxq | high | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | yes | |
| GHSA-jm63-cq47-j5jp | CVE-2026-111770 | high | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:H | yes |
| GHSA-rvq5-wwqv-78pq | CVE-2026-111771 | medium | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N | yes |
| GHSA-3pq3-5fj3-cg6v | CVE-2026-101898 | high | yes | |
| GHSA-44g4-m2mj-wpvx | CVE-2026-101899 | medium | yes | |
| GHSA-4hqw-qxg8-jxx2 | CVE-2026-101900 | medium | yes | |
| GHSA-542g-h47m-68v8 | CVE-2026-101901 | high | yes | |
| GHSA-9fr6-4gfg-395g | CVE-2026-101902 | medium | yes | |
| GHSA-c29m-xwm3-cm6r | CVE-2026-101903 | high | yes | |
| GHSA-j8rh-479h-cp32 | CVE-2026-101904 | medium | yes | |
| GHSA-m8m8-qj5v-23w3 | CVE-2026-101905 | high | yes | |
| GHSA-mghh-pgcx-3jjj | CVE-2026-101906 | high | yes | |
| GHSA-r4gj-5m52-g5wh | CVE-2026-101907 | high | yes | |
| GHSA-vh66-26gq-q6x8 | CVE-2026-101908 | medium | yes | |
| GHSA-x97p-jq2g-jp4f | CVE-2026-101909 | high | yes | |
| GHSA-mrhx-c7xc-m3w5 | CVE-2023-54404 | high | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | yes |
Background: What a vulnerability scan can and cannot prove →
Dependencies 57 packages
| Packages resolved | 57 |
|---|---|
| Stale | 14 |
| Tree resolution | Complete |
Background: SBOMs and build attestations, explained →
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. A tool's description is untrusted text the model reads on every call, which is what makes this list a security surface and not just an inventory: how tool poisoning works →
find_agent Find Agent ~247
Natural-language discovery of on-chain Stellar (stellar-8004) agents. Returns a ranked list with capability/reputation signals. Use rank_agent for per-axis breakdowns and get_agent_profile for full detail. Agent names/descriptions are self-declared (unverified) and live only in each row's labeled `selfDeclared` slot.
| Name | Type | Req | Description |
|---|---|---|---|
| hasServices | boolean | – | When present, require owner-declared service endpoint candidates. |
| limit | integer | – | – |
| minExplorerScore | number | – | Minimum upstream v1 Explorer total_score in protocol units; not local rank. |
| minScore | number | – | Deprecated ambiguous input; rejected. Use minExplorerScore. |
| mpp | boolean | – | When present, require MPP micropayment support. |
| query | string | yes | Natural-language description, e.g. 'a paid web scraper with a good reputation'. |
| sortBy | string | – | – |
| trust | string | – | Require a trust model. |
| verify | boolean | – | Probe the Reputation contract for the top results (slower; current probe verifies no reputation fields). |
| x402 | boolean | – | When present, require x402 (USDC pay-per-call) support. |
| Name | Type | Req | Description |
|---|---|---|---|
| agents | array | yes | – |
| count | number | yes | – |
| coverage | object | yes | – |
| interpretedQuery | object | yes | – |
No examples provided.
get_agent_card Get Derived A2A Projection ~116
Unverified A2A-shaped projection from indexed Stellar 8004 metadata. It is not an agent-published AgentCard and proves neither A2A conformance nor endpoint ownership. Owner-authored metadata and service candidates are isolated under `card.selfDeclared`.
| Name | Type | Req | Description |
|---|---|---|---|
| agent | – | yes | Numeric agent id, numeric string, or a full stellar:{network}:{identity}#{id} handle. |
| verify | boolean | – | Attempt the bounded Reputation-contract reachability probe; it does not verify reputation fields, A2A conformance, or endpoints. |
| Name | Type | Req | Description |
|---|---|---|---|
| card | object | yes | – |
| conformance | string | yes | – |
| note | string | yes | – |
No examples provided.
get_agent_feedback Get Agent Feedback ~102
Recent Explorer-indexed on-chain feedback for one agent (client-authored, untrusted → returned in a labeled `selfDeclared` slot, sanitized). Revoked entries are hidden unless includeRevoked is set.
| Name | Type | Req | Description |
|---|---|---|---|
| agent | – | yes | Numeric agent id, numeric string, or a full stellar handle. |
| includeRevoked | boolean | – | – |
| limit | integer | – | – |
| page | integer | – | – |
| tag | string | – | Filter by feedback tag. |
| Name | Type | Req | Description |
|---|---|---|---|
| agentId | number | yes | – |
| count | number | yes | – |
| coverage | object | yes | – |
| feedback | object | yes | – |
| page | number | yes | – |
| stellarId | string | yes | – |
| summary | object | yes | – |
No examples provided.
get_agent_profile Get Agent Profile ~152
Full profile for one agent: typed identity, capabilities, declared scores, a rank breakdown, bounded Reputation-contract reachability status, recent feedback, the canonical stellar:{network}:{identity}#{id} handle, and an explicitly unverified derived A2A-shaped projection. The current probe verifies no reputation fields. No A2A conformance or endpoint ownership is implied; self-declared text is confined to labeled `selfDeclared` slots.
| Name | Type | Req | Description |
|---|---|---|---|
| agent | – | yes | Numeric agent id, numeric string, or a full stellar:{network}:{identity}#{id} handle. |
| feedbackLimit | integer | – | – |
| verify | boolean | – | Attempt the bounded Reputation-contract probe (default on; current probe verifies no reputation fields). |
| Name | Type | Req | Description |
|---|---|---|---|
| agentCard | object | yes | – |
| feedbackCoverage | object | yes | – |
| profile | object | yes | – |
| recentFeedback | object | yes | – |
| verification | object | yes | – |
No examples provided.
get_agents_by_owner Get Agents By Owner ~85
List the owner endpoint's current page (up to 20 agents), ranked by the 3-axis engine. Coverage explicitly reports whether more owner rows exist. Self-declared text lives in each row's labeled `selfDeclared` slot.
| Name | Type | Req | Description |
|---|---|---|---|
| limit | integer | – | – |
| owner | string | yes | Owner account (Stellar G-address). |
| verify | boolean | – | – |
| Name | Type | Req | Description |
|---|---|---|---|
| agents | array | yes | – |
| count | number | yes | – |
| coverage | object | yes | – |
| owner | string | yes | – |
No examples provided.
get_registry_health Get Registry Health ~57
Per-registry indexer health: last indexed ledger and staleness for the identity, reputation, and validation indexers. Staleness weakens the freshness of Explorer-declared data; it does not make a bounded contract read exhaustive.
Input schema present but exposes no named parameters.
| Name | Type | Req | Description |
|---|---|---|---|
| anyStale | boolean | yes | – |
| indexer | object | yes | – |
| network | string | yes | – |
| status | string | yes | – |
No examples provided.
get_registry_stats Get Registry Stats ~40
Explorer v1 registry counts plus sampled metrics, with explicit metric definitions, 5,000-agent sample cap, non-global distribution warning, and snapshot limitations.
Input schema present but exposes no named parameters.
| Name | Type | Req | Description |
|---|---|---|---|
| agentsWithMpp | – | yes | – |
| agentsWithServices | integer | yes | – |
| agentsWithX402 | integer | yes | – |
| averageFeedbackScore | number | yes | – |
| coverage | object | yes | – |
| limitations | array | yes | – |
| metricDefinitions | object | yes | – |
| network | string | yes | – |
| protocolDistribution | object | yes | – |
| totalAgents | integer | yes | – |
| totalFeedbacks | integer | yes | – |
| totalUniqueClients | integer | yes | – |
| totalValidations | integer | yes | – |
| trustDistribution | object | yes | – |
No examples provided.
leaderboard Leaderboard ~178
Top-ranked agents in a bounded registry scan (or filter), by the 3-axis engine, with per-axis `breakdown`. On-chain verification of the top rows is optional. Coverage states whether the scan exhausted the filtered set; self-declared text lives in each row's labeled `selfDeclared` slot.
| Name | Type | Req | Description |
|---|---|---|---|
| hasServices | boolean | – | – |
| limit | integer | – | – |
| minExplorerScore | number | – | Minimum upstream v1 Explorer total_score in protocol units; not local rank. |
| minScore | number | – | Deprecated ambiguous input; rejected. Use minExplorerScore. |
| mpp | boolean | – | When present, require indexed MPP support. |
| trust | string | – | – |
| verify | boolean | – | Probe the Reputation contract for the top results; current probe verifies no reputation fields. |
| x402 | boolean | – | – |
| Name | Type | Req | Description |
|---|---|---|---|
| agents | array | yes | – |
| count | number | yes | – |
| coverage | object | yes | – |
No examples provided.
list_agents List Agents ~181
Paginated, filterable listing of registered agents, ranked by the 3-axis engine. Filter by x402/mpp/hasServices/trust/minExplorerScore. Self-declared text lives in each row's labeled `selfDeclared` slot.
| Name | Type | Req | Description |
|---|---|---|---|
| hasServices | boolean | – | – |
| limit | integer | – | – |
| minExplorerScore | number | – | Minimum upstream v1 Explorer total_score in protocol units; not local rank. |
| minScore | number | – | Deprecated ambiguous input; rejected. Use minExplorerScore. |
| mpp | boolean | – | When present, require indexed MPP support. |
| page | integer | – | – |
| sortBy | string | – | – |
| trust | string | – | – |
| verify | boolean | – | Probe the Reputation contract for the top results; current probe verifies no reputation fields. |
| x402 | boolean | – | – |
| Name | Type | Req | Description |
|---|---|---|---|
| agents | array | yes | – |
| count | number | yes | – |
| coverage | object | yes | – |
| page | number | yes | – |
| pagination | object | yes | – |
No examples provided.
list_services List Services ~203
Catalog of self-declared service endpoint candidates, each with its owning agent's indexed owner-declared capability/trust signals and ranked score. Filter by x402/mpp/trust/minExplorerScore/search. No endpoint is probed for liveness, ownership, protocol conformance, or payment behavior. Service labels/endpoints are unverified and live in each row's labeled `selfDeclared` slot.
| Name | Type | Req | Description |
|---|---|---|---|
| limit | integer | – | – |
| minExplorerScore | number | – | Minimum upstream v1 Explorer total_score in protocol units; not local rank. |
| minScore | number | – | Deprecated ambiguous input; rejected. Use minExplorerScore. |
| mpp | boolean | – | When present, only MPP micropayment services. |
| page | integer | – | – |
| search | string | – | Free-text filter over agent name/description. |
| trust | string | – | – |
| x402 | boolean | – | When present, only x402 (USDC pay-per-call) services. |
| Name | Type | Req | Description |
|---|---|---|---|
| count | number | yes | – |
| coverage | object | yes | – |
| page | number | yes | – |
| services | array | yes | – |
No examples provided.
rank_agent Rank Agent ~216
Rank an explicit agent set or a query's candidates using the deterministic declared-evidence policy: normalized indexed average × fixed evidence strength (0.4 capped volume + 0.6 breadth). Owner-declared capability fields add zero. On-chain checks are evidence metadata and never inflate rank. Every row carries a full per-axis `breakdown` and a declared-vs-verified `verification` block. Provide EITHER agentIds OR query.
| Name | Type | Req | Description |
|---|---|---|---|
| agentIds | array | – | Explicit agent ids to rank (maximum 50 on this transport). Provide EITHER agentIds OR query, not both. |
| limit | integer | – | – |
| query | string | – | Natural-language query whose candidates are ranked. XOR with agentIds. |
| sortBy | string | – | – |
| verify | boolean | – | Attempt the bounded Reputation-contract probe (default on; current probe verifies no reputation fields). |
| weights | object | – | Deprecated and rejected when supplied. The v1 policy fixes evidence weights at volume=0.4 and breadth=0.6. |
| Name | Type | Req | Description |
|---|---|---|---|
| agents | array | yes | – |
| count | number | yes | – |
| coverage | object | – | – |
| evidenceWeights | object | yes | – |
| rankVersion | string | yes | – |
No examples provided.
resolve_agent Resolve Agent ~90
Resolve any agent reference (id, numeric string, stellar handle, or owner G-address) to the canonical typed identifiers (numeric id + stellar + CAIP-2). Owner addresses expand the current owner API page (up to 20); coverage reports whether more rows may exist.
| Name | Type | Req | Description |
|---|---|---|---|
| ref | – | yes | Agent id, numeric string, stellar:{network}:{identity}#{id} handle, or owner G-address. |
| Name | Type | Req | Description |
|---|---|---|---|
| agents | array | yes | – |
| count | number | yes | – |
| coverage | object | – | – |
| kind | string | yes | – |
| network | string | yes | – |
| owner | – | yes | – |
No examples provided.
verify_reputation Verify Reputation ~89
Fail-closed reputation observation for one agent. The current Reputation contract has no authoritative client-set count/cursor and expired index entries can create holes, so the server performs one bounded reachability read but does not call get_summary or claim a diff. Current attempted checks return unavailable with explicit scope; skipped means not attempted.
| Name | Type | Req | Description |
|---|---|---|---|
| agent | – | yes | Numeric agent id, numeric string, or a full stellar handle. |
| Name | Type | Req | Description |
|---|---|---|---|
| agentId | number | yes | – |
| stellarId | string | yes | – |
| verification | object | yes | – |
| verified | boolean | yes | – |
No examples provided.
How do I install the Stellar Agent Search MCP server?
Stellar Agent Search runs locally as an npm package, launched with npx -y stellar-agent-search. Ready-made configuration for Claude, Cursor, VS Code, Codex and 5 more is on this page, copied from each client's own documentation.
npm · stellar-agent-search
claude mcp add berkingurcan-stellar-agent-search -- npx -y stellar-agent-search
What is the Stellar Agent Search MCP server?
Stellar Agent Search is an MCP server listed in the public MCP registry as io.github.berkingurcan/stellar-agent-search. Discover and rank Stellar 8004 agents with a read-only MCP server and fail-closed contract probes. This page covers its npm package (stellar-agent-search).
Is the Stellar Agent Search MCP server safe to use?
Stellar Agent Search scores 90 out of 100 on VerifyMCP. We recorded 19 known advisories against it as of 5 November 2026. It declares no install or post-install scripts. Its build provenance is signed and verified. That is a record of what we were able to check automatically, not an endorsement. The category breakdown on this page shows every signal behind the number, including the ones we could not confirm.
What tools does the Stellar Agent Search MCP server expose?
Stellar Agent Search exposes 13 tools: find_agent, rank_agent, get_agent_profile, list_services, list_agents, and 8 more. Their descriptions and schemas cost roughly 1,756 tokens of context every time the server is loaded.
Is the Stellar Agent Search MCP server still maintained?
Stellar Agent Search is still listed as active in the MCP registry. We last reached this channel on 5 November 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.
What licence is the Stellar Agent Search MCP server under?
Stellar Agent Search declares the MIT licence, which is OSI-approved. That covers the source only, and says nothing about the cost of any service it calls.