Agent Readiness Score
slack.com
48 — Developing. Agents can find parts of this site, but key capabilities are hard to reach.
HonestClaw measured how well slack.com's site and APIs work for AI agents — across 9 dimensions and 45 automated checks.
Dimensions
Discoverability14.9/24
Content Accessibility11.7/24
Bot Access Control0/12
Protocol & Capability Discovery21.4/41
Authentication & Credentials11.8/19
Documentation Quality8.5/10
Structured Data I/O0.4/13
Observable State & Reliability5.5/15
Agent Safety & Trust6.8/11
Checks
Discoverability
Subdomain sweepsubdomain-sweepBoth an API-family and a docs-family subdomain are live (api.slack.com, dev.slack.com).Useful
robots.txtrobots-txtrobots.txt at https://slack.com/robots.txt declares a sitemap. Declared sitemap https://slack.com/sitemap.xml resolves as valid XML.Cross-verified
Canonical domaincanonical-domainRoot and www converge on slack.com, with a matching canonical tag.Cross-verified
sitemap.xmlsitemap-xmlhttps://slack.com/sitemap.xml is a valid sitemap (13 location(s)), but without lastmod or non-homepage URLs.Parseable
API existenceapi-existenceA real API surface responds at https://slack.com/api/v1 with non-HTML JSON. (source: live)Parseable
API catalogapi-catalogNo RFC 9727 API Catalog found at /.well-known/api-catalog.Not detected
API versioningapi-versioningThe API version lifecycle is documented at https://docs.slack.dev/changelog/tags/deprecation/, including deprecation/sunset. (source: docs)Cross-verified
Content Accessibility
Markdown twinmarkdown-twinA markdown twin is published at https://docs.slack.dev/index.md alongside the docs HTML surface (https://docs.slack.dev/).Parseable
llms.txtllms-txtA curated llms.txt index is published at https://slack.com/llms.txt: 165 links across 7 sections.Cross-verified
Freshness signalsfreshness-signalsNo freshness signals found (no Last-Modified, ETag, or sitemap lastmod).Not detected
Crawl-cost estimatecrawl-cost-estimateInformational — not scoredSitemap index declares 13 child sitemap(s) — crawl cost is not directly observable from the index alone.Parseable
llms-full.txtllms-full-txtNo llms-full.txt file found (HTML pages at .txt paths do not qualify).Not detected
Raw content extractabilityraw-content-extractabilityModerate-to-strong main content (56% of visible text) is extractable from raw HTML on the homepage.Useful
ai.txtai-txtNo ai.txt file found (HTML pages at .txt paths do not qualify).Not detected
Bot Access Control
AI bot rulesai-bot-rulesrobots.txt is readable but declares no AI-bot-specific rules.Not detected
Content signalscontent-signalsrobots.txt is readable but declares no Content-Signal line.Not detected
RSL licensingrslrobots.txt is readable but declares no RSL License directive.Not detected
TDM reservationtdmrepNo TDMRep policy found at /.well-known/tdmrep.json.Not detected
Protocol & Capability Discovery
MCP descriptormcp-descriptorInformational — not scoredNo MCP descriptor found at the standard locations an agent would check.Not detected
MCP supportmcp-supportFirst-party documentation at https://docs.slack.dev/ai/slack-mcp-server/ identifies the MCP endpoint https://mcp.slack.com/mcp and explains both its capabilities and how clients connect or authenticate.Cross-verified
SDK availabilitysdk-availabilitySDK libraries page at https://docs.slack.dev/tools/node-slack-sdk/: 2 GitHub repos, 0 registry links, 2 install commands (4 pointers).Cross-verified
MCP Server Cardmcp-server-cardNo MCP Server Card found at the standard locations an agent would check.Not detected
A2A Agent Carda2a-agent-cardNo A2A Agent Card found at the standard well-known locations.Not detected
DNS-AIDdns-aidNo DNS-AID index found at _index._agents.slack.com.Not detected
.well-known indexwell-known-indexA non-owned /.well-known/ descriptor is present and parses.Parseable
GraphQL surfacegraphql-surfaceNo GraphQL transport surface found at conventional paths (GET-only; no introspection issued).Not detected
Link headerslink-headersLink header(s) present with recognized rel values.Parseable
OpenAPI specificationopenapi-specNo OpenAPI/Swagger specification found.Not detected
Auth discoveryauth-discoveryAgent-native auth discovery: a valid RFC 9728 PRM (via challenge) or a PRM plus a valid AS/OIDC descriptor.Cross-verified
Rate limit documentationrate-limit-docsRate limits are fully documented at https://docs.slack.dev/apis/web-api/rate-limits/, with concrete limits, response headers, 429 handling, Retry-After, and tier/plan differences.Cross-verified
WebMCPwebmcpInformational — not scoredWebMCP browser probing is not yet available in this scanner release.Couldn't verify
Authentication & Credentials
Credential managementcredential-managementNo credential management documentation found at the standard docs locations an agent would check.Not detected
Programmatic auth flowprogrammatic-auth-flowA programmatic auth flow is fully documented at https://docs.slack.dev/authentication/installing-with-oauth/, with a non-interactive grant, token endpoint, scopes, and token expiry/refresh.Cross-verified
Auth documentationauth-documentationAuthentication is fully documented at https://docs.slack.dev/authentication/installing-with-oauth/, naming complete method(s) and how they are sent, corroborated across surfaces or covering multiple methods.Cross-verified
Sandbox environmentsandbox-environmentA sandbox/testing page exists at https://docs.slack.dev/tools/sandbox-template-demos/, but it doesn't show how to obtain test credentials or a test base URL.Parseable
Documentation Quality
API reference depthapi-reference-depthThe API reference at https://docs.slack.dev/reference/methods/admin.analytics.getFile/ documents parameters with example requests and responses. To reach the top level, it would need request and response bodies, authentication, pagination, and error codes.Useful
Changelog presencechangelog-presenceA changelog is published at https://docs.slack.dev/tools/python-slack-sdk/legacy/changelog/ with multiple recent dated entries, indicating it is actively maintained.Cross-verified
Structured Data I/O
Structured data I/Ostructured-data-ioNo published structured-data contract found (no typed spec response schemas).Not detected
Machine-readable pricingmachine-readable-pricingValid JSON is served at https://slack.com/api/pricing, but it has no recognizable pricing shape (no plan entries carry a price).Parseable
Data export APIdata-export-apiNo data export or bulk API documentation found at the standard docs locations an agent would check.Not detected
Observable State & Reliability
Status & health endpointsstatus-and-healthStatus page found at https://slack-status.com/?_gl=1*6cfpp0*_gcl_au*MTg5ODY1ODY3LjE3MDE3MTQ3MTc. (HTTP 200).Detected
Retry & idempotencyretry-and-idempotencyNo retry or idempotency documentation found at the standard docs locations an agent would check.Not detected
Webhook documentationwebhook-documentationA webhook documentation page exists at https://docs.slack.dev/changelog/2016-05-17-changes-to-errors-for-incoming-webhooks/, but it doesn't list specific event types with their payload shape.Parseable
Error documentationerror-documentationErrors are documented at https://docs.slack.dev/changelog/2016-05-17-changes-to-errors-for-incoming-webhooks/ with specific codes or a documented response shape. To reach the top level, it would need recovery guidance and a machine-readable error format, or corroboration against the API spec.Useful
Machine payments (x402/MPP)x402-or-mpp-supportInformational — not scoredNo machine-payment signal observed (no HTTP 402, no payment-required response header, and no /.well-known/x402.json manifest). Payment support cannot be ruled out from an unauthenticated probe.Couldn't verify
Agent Safety & Trust
security.txtsecurity-txtsecurity.txt at https://slack.com/.well-known/security.txt publishes a Contact address.Useful
Org identity signalsorg-identityHomepage exposes one org-identity signal (social).Detected
Metadata consistencymetadata-consistencyHomepage metadata (canonical, Open Graph, schema) is present and consistent.Cross-verified
Legal policy pageslegal-pagesBoth privacy and terms policies are discoverable with substantive content.Useful