Topology Index
REMOTE · TOPOLOGYINDEX.COM · SCANNED SEP 25
Reference for multi-agent LLM topologies: patterns, aliases, sources, starters; one gated report.
Available components
How this component scores in each security and reliability category. Every signal is checked automatically against the live server, and we only credit what we can confirm. How we score → Why this is hard to score →
Endpoint Security80
- The endpoint's TLS certificate is valid, in date, and uses a strong key. View diagnostics → Pass
- No authorisation is required to call this server. Every tool declares its destructiveHint and none is destructive, so open access doesn't expose one. See how to fix → View diagnostics → Partial
- HTTPS is enforced; there's no plaintext access path. View diagnostics → Pass
- The HSTS (Strict-Transport-Security) header is present. View diagnostics → Pass
- DNSSEC check failed: this domain isn't protected by DNSSEC. See how to fix → View diagnostics → Fail
Transport & Reachability100
- Verified streamable-http transport via a live MCP handshake. View diagnostics → Pass
Schema Quality & AI Usability85
- 100% of prompts and resources have a non-trivial description (not blank, and not just the item's name).Pass
- AI-judged instruction clarity (good).Pass
- Tool/resource definitions use about 4675 tokens (~38/item across 120 items; 6 tools + 114 resources), lean.Pass
- Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management7
- Stability observed for 2 of 30 days with no destabilising changes; credit accrues until the full window elapses.Partial
Tool Coverage82
- 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
- 38% of tool parameters carry a description.Partial
- Structured output schemas are declared (17% 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 6 captured tool definition(s), and no name or description among them implies an irreversible operation.Pass
- An AI judge read all 8 captured unit(s) of tool text and found none that tries to manipulate the model reading it.Pass
Capabilities100
- Implements a current MCP spec version (2026-07-28).Pass
How do I install the Topology Index MCP server?
Topology Index is a hosted endpoint at https://topologyindex.com/mcp, so there is nothing to install locally. Ready-made configuration for Claude, Cursor, VS Code, Codex and 5 more is on this page, copied from each client's own documentation.
remote · topologyindex.com
claude mcp add --transport http com-topologyindex-topology-index 'https://topologyindex.com/mcp'
{
"mcpServers": {
"com-topologyindex-topology-index": {
"url": "https://topologyindex.com/mcp"
}
}
} {
"servers": {
"com-topologyindex-topology-index": {
"type": "http",
"url": "https://topologyindex.com/mcp"
}
}
} [mcp_servers.com-topologyindex-topology-index] url = "https://topologyindex.com/mcp"
{
"$schema": "https://opencode.ai/config.json",
"mcp": {
"com-topologyindex-topology-index": {
"type": "remote",
"url": "https://topologyindex.com/mcp",
"enabled": true
}
}
} openclaw mcp add com-topologyindex-topology-index --url 'https://topologyindex.com/mcp' --transport streamable-http
mcp_servers:
com-topologyindex-topology-index:
url: "https://topologyindex.com/mcp" {
"McpServers": {
"com-topologyindex-topology-index": {
"Transport": "http",
"Url": "https://topologyindex.com/mcp"
}
}
} assistant mcp add com-topologyindex-topology-index -t streamable-http -u 'https://topologyindex.com/mcp'
{
"mcpServers": {
"com-topologyindex-topology-index": {
"type": "http",
"url": "https://topologyindex.com/mcp"
}
}
} The mcpServers block is a cross-client convention. Remote transports vary, so check your client's docs.
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.
- 25 Sept 26 −1
- We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
- 24 Sept 26 +1
- The server rewrote its instructions, which are the text every model session reads security
- Tool “fetch” rewrote its description, which is the text the model reads security
- Tool “get_pattern” rewrote its description, which is the text the model reads security
- Tool “list_patterns” rewrote its description, which is the text the model reads security
- Tool “report_outcome” rewrote its description, which is the text the model reads security
- Schema quality: 36 → 40 ▼ functional
- Tool coverage: 80% → 88% ▲ functional
- Stability: unverified → 0.03 ▲ functional
- New resource “domains/security/findings.md” functional
- New resource “docs/schemas/domain_findings/v0.1.md” functional
- New resource “docs/schemas/pattern_findings/v0.1.md” functional
- New resource “domains/coding/findings.md” functional
- New resource “domains/documents/findings.md” functional
- New resource “domains/evaluation/findings.md” functional
- New resource “domains/operations/findings.md” functional
- New resource “domains/reasoning/findings.md” functional
- New resource “domains/research/findings.md” functional
- New resource “patterns/adaptive_routing/findings.md” functional
- New resource “patterns/architecture_search/findings.md” functional
- New resource “patterns/blackboard/findings.md” functional
- New resource “patterns/coordinator_election/findings.md” functional
- New resource “patterns/council/findings.md” functional
- New resource “patterns/critic_loop/findings.md” functional
- New resource “patterns/debate/findings.md” functional
- New resource “patterns/dynamic_spawning/findings.md” functional
- New resource “patterns/fan_out/findings.md” functional
- New resource “patterns/hierarchical_delegation/findings.md” functional
- New resource “patterns/implement_review/findings.md” functional
- New resource “patterns/independent_workers/findings.md” functional
- New resource “patterns/lane_swarm/findings.md” functional
- New resource “patterns/mailbox_network/findings.md” functional
- New resource “patterns/map_reduce/findings.md” functional
- New resource “patterns/planner_worker/findings.md” functional
- New resource “patterns/role_pipeline.md” functional
- New resource “patterns/role_pipeline/findings.md” functional
- New resource “patterns/shared_ledger/findings.md” functional
- New resource “patterns/signed_coordination/findings.md” functional
- New resource “patterns/single_agent/findings.md” functional
- New resource “patterns/successor_handoff/findings.md” functional
- New resource “patterns/supervisor/findings.md” functional
- New resource “patterns/tree_search.md” functional
- New resource “patterns/tree_search/findings.md” functional
- New resource “starters/research-split-and-combine/0.1.0.md” functional
- New resource “starters/research-supervised-investigation/0.1.0.md” functional
- New resource “starters/security-planned-audit/0.1.0.md” functional
- “report_outcome” added an optional parameter “model_precision” cosmetic
- “report_outcome” reworded the description of “model_id” cosmetic
- “report_outcome” reworded the description of “task_class” cosmetic
- 23 Sept 26 75
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 25 Sept 2026 · Probed https://topologyindex.com/mcp
TLS valid
Negotiated TLS 1.3 with TLS_AES_128_GCM_SHA256 .
| Subject | Issuer | Valid from | Valid until | Key | Signature | Serial |
|---|---|---|---|---|---|---|
| CN=topologyindex.com | CN=WE1,O=Google Trust Services,C=US | 22 Sept 2026 | 22 Dec 2026 | ECDSA 256 | ECDSA-SHA256 | 91c5c171275a8f5413e4844a7e7adcd6 |
| SANs: topologyindex.com, www.topologyindex.com, *.www.topologyindex.com | ||||||
| CN=WE1,O=Google Trust Services,C=US (CA) | CN=GTS Root R4,O=Google Trust Services LLC,C=US | 13 Dec 2023 | 20 Feb 2029 | ECDSA 256 | ECDSA-SHA384 | 7ff31977972c224a76155d13b6d685e3 |
| CN=GTS Root R4,O=Google Trust Services LLC,C=US (CA) | CN=GlobalSign Root CA,OU=Root CA,O=GlobalSign nv-sa,C=BE | 15 Nov 2023 | 28 Jan 2028 | ECDSA 384 | SHA256-RSA | 7fe530bf331343bedd821610493d8a1b |
Background: What to check on a remote MCP endpoint →
DNSSEC insecure
Validation of topologyindex.com. — Not signed
| Zone | DS | Keys | Algorithms | Outcome |
|---|---|---|---|---|
| . | trust_anchor | 20326, 38696 | 8, 8 | Verified |
| com. | present | 19718 | 13 | Verified |
| topologyindex.com. | absent | Unsigned (proven) parent-signed NSEC/NSEC3 proves an unsigned delegation |
Authentication No authorisation required
The endpoint answered without asking for a token. Anyone who knows the URL can reach it.
| Result | No authorisation required |
|---|---|
| HTTP status | 200 |
| Header | Value |
|---|---|
| strict-transport-security | max-age=31536000; includeSubDomains |
| content-security-policy | default-src 'none'; frame-ancestors 'none'; sandbox |
| x-content-type-options | nosniff |
Background: How OAuth 2.1 works in the 2026 MCP spec →
Transports 2 probes
| Transport | URL | Outcome | Status | Location |
|---|---|---|---|---|
| streamable-http | https://topologyindex.com/mcp | Verified | 200 | |
| http (plaintext) | http://topologyindex.com/mcp | HTTPS enforced | 301 | https://topologyindex.com/mcp |
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 →
fetch Fetch a public page ~110
Returns the Markdown document of any public page, exactly as HTTP serves it, from a root-relative path (/patterns/supervisor.md) or a https://topologyindex.com URL. Private tenant routes are not reachable here. A pattern, starter or formation read may add a second item, a one-time use ticket for `report_outcome` (limited rollout).
| Name | Type | Req | Description |
|---|---|---|---|
| path_or_url | string | yes | A path such as /patterns/index.md, or https://topologyindex.com/patterns/index.md. |
No output schema declared.
No examples provided.
get_pattern Get a pattern ~96
One pattern page (/patterns/{pattern}.md): definition, aliases, when it is hypothesised to fit, failure modes, sources and whether this deployment can execute it. Accepts a pattern identifier or a known alias. May add a second item, a one-time use ticket for `report_outcome` (limited rollout).
| Name | Type | Req | Description |
|---|---|---|---|
| pattern | string | yes | A pattern identifier such as supervisor, or an alias such as orchestrator-worker. |
No output schema declared.
No examples provided.
list_patterns List patterns ~172
The decision guide: where to start by the shape of the task, the pattern to consider next and when to avoid each, plus the pattern families (the `choosing` rows of /patterns/index.md, without the rest of that page). With a family, /patterns/index.md?family={family}: that family’s patterns and the rows that name them. With a domain, /domains/{domain}.md: the task shapes common in that kind of work, their rows, the sources of the published findings tagged with it (never a ranking; each finding in words at /domains/{domain}/findings.md) and its starters.
| Name | Type | Req | Description |
|---|---|---|---|
| domain | string | – | Read the lens of one task domain instead; not together with a family. |
| family | string | – | Restrict the list to one pattern family. |
No output schema declared.
No examples provided.
list_starters List starter formations ~74
The starter formation index (/starters/index.md): unvalidated, unsigned FORMATION.md documents to copy and register privately. With a task class, only the starters that declare it (/starters/index.md?task_class={task_class}).
| Name | Type | Req | Description |
|---|---|---|---|
| task_class | string | – | A task class such as coding.bugfix. |
No output schema declared.
No examples provided.
report_outcome Report a use ticket outcome ~149
Limited rollout: only for a use ticket from a pattern, starter or formation read. If you have no ticket, do not call it. With one, report once after your task: pass, fail or abandoned, never a prompt, code or log. Fields: /docs/api/contributing.md.
| Name | Type | Req | Description |
|---|---|---|---|
| elapsed_milliseconds | integer|null | – | – |
| input_tokens | integer|null | – | – |
| model_id | string | yes | – |
| model_precision | – | – | – |
| outcome | – | yes | – |
| output_tokens | integer|null | – | – |
| task_class | string | yes | – |
| tests_passed | integer | yes | – |
| tests_ran | integer | yes | – |
| ticket | string | yes | – |
No output schema declared.
No examples provided.
search Search Topology Index ~107
Keyword search, with common synonyms, over pattern names, aliases and families, the decision guide, the domains, sources and benchmarks of published findings, research, starters and guides. At most 10 results, each a path for `fetch`; if no page matches every word, pages matching some; if none, the decision guide. Matches text only; never ranks patterns.
| Name | Type | Req | Description |
|---|---|---|---|
| query | string | yes | Words to look for, such as "orchestrator worker", "verification" or "coding". |
| Name | Type | Req | Description |
|---|---|---|---|
| match | string | yes | – |
| results | array | yes | – |
No examples provided.
What is the Topology Index MCP server?
Topology Index is an MCP server listed in the public MCP registry as com.topologyindex/topology-index. Reference for multi-agent LLM topologies: patterns, aliases, sources, starters; one gated report. This page covers its hosted endpoint (https://topologyindex.com/mcp).
Is the Topology Index MCP server safe to use?
Topology Index scores 75 out of 100 on VerifyMCP. 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 Topology Index MCP server expose?
Topology Index exposes 6 tools: search, fetch, list_patterns, get_pattern, list_starters, report_outcome. Their descriptions and schemas cost roughly 708 tokens of context every time the server is loaded.
Does the Topology Index MCP server require authentication?
No. We connected to Topology Index without credentials and it answered, so anything it exposes is reachable by anyone who knows the address.
Is the Topology Index MCP server still maintained?
Topology Index is still listed as active in the MCP registry. We last reached this channel on 25 September 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.