Alternatives to Agent Stack Directory

• Responded15 / 22 checks passed

  OboeLib — Conservatory Oboe Fingering, Half-Hole, Forked F & Trill Chart Engine

  oboelib.comVerified

  Look up Conservatory oboe fingerings, half-hole, left/forked F rules, octave keys & trills.

  Developer ToolsData access / search

  • Passed: Handshake
  • Passed: Tools listed
  • Passed: Updated recently

  Median latency 66 ms · Last checked 16 hr ago

• Responded15 / 22 checks passed

  Akashi Notari

  self-realityVerified

  Proof of existence for files: anchor a SHA-256 hash on Base, look up proofs. Paid with x402.

  Developer ToolsData access / search

  • Finance & payments

  • Passed: Handshake
  • Passed: Tools listed
  • Passed: Updated recently

  Median latency 74 ms · Last checked 8 hr ago

• Responded15 / 22 checks passed

  TbmLib — Tenor & F-Attachment Trombone Slide Position & Overtones Engine

  tbmlib.comVerified

  Look up Tenor & F-attachment trombone slide positions (1st-7th), F-trigger & pitch adjustments.

  Developer ToolsData access / search

  • Passed: Handshake
  • Passed: Tools listed
  • Passed: Updated recently

  Median latency 75 ms · Last checked 16 hr ago

• Responded15 / 22 checks passed

  Web Search API Eval

  psinglapVerified

  Web search API benchmark for AI agents: You.com, Tavily, Exa, Parallel. Results and charts.

  Developer ToolsData access / search

  • AI models & agents
  • Search & web data

  • Passed: Handshake
  • Passed: Tools listed
  • Passed: Updated recently

  Median latency 80 ms · Last checked 12 hr ago

• Responded15 / 22 checks passed

  Termcard

  aepasahanVerified

  Create terminal business cards (npx <name>) in a chat, or look up anyone's card.

  Developer ToolsData access / search

  • Communication & social

  • Passed: Handshake
  • Passed: Tools listed
  • Passed: Updated recently

  Median latency 80 ms · Last checked 15 hr ago

• Responded15 / 22 checks passed

  LabelQueue — Avery Label Dimensions, Margin & Bleed Layout Engine

  labelqueue.comVerified

  Look up exact Avery & standard sheet label dimensions, pitch, margins & print layout specs.

  Developer ToolsData access / search

  • Passed: Handshake
  • Passed: Tools listed
  • Passed: Updated recently

  Median latency 84 ms · Last checked 16 hr ago

• Responded15 / 22 checks passed

  HornLib — Interactive French Horn F/Bb Double Horn Fingering & Harmonics Engine

  hornlib.comVerified

  Look up French Horn F/Bb double horn valve fingerings, trigger combinations & partials.

  Developer ToolsData access / search

  • Passed: Handshake
  • Passed: Tools listed
  • Passed: Updated recently

  Median latency 97 ms · Last checked 16 hr ago

• Responded15 / 22 checks passed

  Ocean of Jobs

  guyvolvoVerified

  Search 1.2M+ open jobs from 22k companies, read full listings and look up employers.

  Developer ToolsData access / search

  • Search & web data

  • Passed: Handshake
  • Passed: Tools listed
  • Passed: Updated recently

  Median latency 98 ms · Last checked 15 hr ago

• Responded15 / 22 checks passed

  MAC Address Lookup

  mac.jasontally.comVerified

  Find the organization behind a MAC address or OUI prefix in the IEEE registries. No auth, no key.

  Developer ToolsData access / search

  • Passed: Handshake
  • Passed: Tools listed
  • Passed: Updated recently

  Median latency 107 ms · Last checked 16 hr ago

• Responded15 / 22 checks passed

  MCP Registry Search: Find, Discover & Install MCP Servers & Tools | Directory, Catalog, Marketplace

  lbesecker195Verified

  MCP registry & directory: search, find & install 31k+ MCP servers & tools. Catalog and marketplace.

  Developer ToolsData access / search

  • Search & web data

  • Passed: Handshake
  • Passed: Tools listed
  • Passed: Updated recently

  Median latency 116 ms · Last checked 15 hr ago

• Responded15 / 22 checks passed

  PublicWWW

  publicwww.comVerified

  Search the source code (HTML, JavaScript, CSS) of web pages.

  Developer ToolsData access / search

  • Search & web data
  • Developer tools & code

  • Passed: Handshake
  • Passed: Tools listed
  • Passed: Updated recently

  Median latency 119 ms · Last checked 16 hr ago

• Responded15 / 22 checks passed

  Cairn Commons (read-only)

  cairncommonsVerified

  Read-only: look up checked dependency bugs and check versions before installing. No account.

  Developer ToolsData access / search

  • Passed: Handshake
  • Passed: Tools listed
  • Passed: Updated recently

  Median latency 153 ms · Last checked 15 hr ago

• Responded15 / 22 checks passed

  Swarmnest

  swarmnest.aiVerified

  Search AI agent tools, MCP servers and Skills. Verified agents post Field Reports and on The Hive.

  Developer ToolsData access / search

  • AI models & agents
  • Search & web data

  • Passed: Handshake
  • Passed: Tools listed
  • Passed: Updated recently

  Median latency 153 ms · Last checked 16 hr ago

• Responded15 / 22 checks passed

  Senzing

  senzing.comVerified

  Entity resolution — data mapping, SDK code generation, docs search, and error troubleshooting

  Developer ToolsData access / search

  • Developer tools & code
  • Search & web data
  • Productivity & docs

  • Passed: Handshake
  • Passed: Tools listed
  • Passed: Updated recently

  Median latency 189 ms · Last checked 16 hr ago

• Responded15 / 22 checks passed

  Gearlist

  gearlist.buildVerified

  Free, source-checked directory of AI agent tools, MCP servers and skills, with read-only search.

  Developer ToolsData access / search

  • AI models & agents
  • Search & web data

  • Passed: Handshake
  • Passed: Tools listed
  • Passed: Updated recently

  Median latency 207 ms · Last checked 16 hr ago

• Responded15 / 22 checks passed

  Ratevert MCP

  ratevert.comVerified

  Read-only Ratevert MCP for asset search, pair rates, and conversions.

  Developer ToolsData access / search

  • Search & web data

  • Passed: Handshake
  • Passed: Tools listed
  • Passed: Updated recently

  Median latency 271 ms · Last checked 16 hr ago

• Responded15 / 22 checks passed

  NPMScan

  salemalemVerified

  Detect malicious or vulnerable npm packages: registry search, OSV.dev and GitHub advisory lookups

  Developer ToolsData access / search

  • Search & web data
  • Developer tools & code

  • Passed: Handshake
  • Passed: Tools listed
  • Passed: Updated recently

  Median latency 275 ms · Last checked 8 hr ago

• Responded15 / 22 checks passed

  UnoRouter

  unorouter.comVerified

  Search 200+ UnoRouter models (most free), check pricing, and chat through one key

  Developer ToolsData access / search

  • Search & web data
  • Communication & social

  • Passed: Handshake
  • Passed: Tools listed
  • Passed: Updated recently

  Median latency 296 ms · Last checked 16 hr ago

• Responded15 / 22 checks passed

  Index Agentica

  indexagentica.comVerified

  Search a curated directory of agent tools, MCP servers, APIs, protocols and skills. No auth.

  Developer ToolsData access / search

  • AI models & agents
  • Search & web data

  • Passed: Handshake
  • Passed: Tools listed
  • Passed: Updated recently

  Median latency 320 ms · Last checked 16 hr ago

• Responded15 / 22 checks passed

  MCP security checks — WARDEN and HISTOR

  modelmarket.devVerified

  Scan MCP tool definitions for poisoning, look up server history, count tool-list tokens. Free.

  Developer ToolsData access / search

  • Security & identity

  • Passed: Handshake
  • Passed: Tools listed
  • Passed: Updated recently

  Median latency 327 ms · Last checked 15 hr ago

• Responded15 / 22 checks passed

  Neuronto ARD Registry: Agentic Resource Discovery (ARD) Index

  neuronto.comVerified

  Agent Resource Discovery (ARD, IETF draft) registry: search every ARD registry + verified MCP tools

  Developer ToolsData access / search

  • AI models & agents
  • Search & web data

  • Passed: Handshake
  • Passed: Tools listed
  • Passed: Updated recently

  Median latency 369 ms · Last checked 16 hr ago

• Responded15 / 22 checks passed

  Vibes-Coded Agent Tools

  doteyeso-opsVerified

  Web search, page-to-markdown, memory, leases and proof for agents. x402, no signup.

  Developer ToolsData access / search

  • AI models & agents
  • Search & web data
  • Finance & payments

  • Passed: Handshake
  • Passed: Tools listed
  • Passed: Updated recently

  Median latency 406 ms · Last checked 15 hr ago

• Responded15 / 22 checks passed

  Guitar Practice Routine App — Chord Charts

  slshultsVerified

  Look up a guitar chord by name and get a text chord diagram. 12,708 standard-tuning names.

  Developer ToolsData access / search

  • Passed: Handshake
  • Passed: Tools listed
  • Passed: Updated recently

  Median latency 408 ms · Last checked 8 hr ago

• Responded15 / 22 checks passed

  CodeDebut

  codedebut.comVerified

  Search new software launches, read product pages, find alternatives and see daily upvote rankings.

  Developer ToolsData access / search

  • Search & web data

  • Passed: Handshake
  • Passed: Tools listed
  • Passed: Updated recently

  Median latency 485 ms · Last checked 16 hr ago

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